ASSET MANAGEMENT FUND INC
497, 1998-03-04
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<PAGE>   1
[LOGO] ASSET MANAGEMENT FUND, INC.


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


                                U.S. Government Mortgage
                                Securities Portfolio
- ---------------------------------------------------------

                        Intermediate Mortgage
                        Securities Portfolio
- ---------------------------------------------------------

                Short U.S. Government
                Securities Portfolio
- ---------------------------------------------------------

        Adjustable Rate Mortgage
        (ARM) Portfolio
- ---------------------------------------------------------

Money Market Portfolio
- ---------------------------------------------------------


                                 PROSPECTUS MARCH 1, 1998

<PAGE>   2
Dear Investor:

   
The Asset Management Fund, Inc. (AMF) was conceived to provide financial
institutions including Banks, Savings Institutions and Credit Unions with high
quality, professionally managed assets for effective financial management.  As
you review this Prospectus, you will note that the Fund's investment objectives
are designed to comply with the regulatory guidelines necessary for investment 
by these financial institutions.
    

   
Today a growing number of diverse investors including Trust Companies,
Municipalities, Foundations, Not-For-Profit Organizations, Fee-based advisors
and High Net Worth Individuals have become AMF shareholders, recognizing the
benefits of our AMF management strategies and our exacting standards for the
selection of high quality investment grade securities.  AMF investors may
select from five investment portfolios providing investment opportunities
covering the complete maturity range of fixed-income securities.
    

   
For over 16 years investors have turned to AMF as a key element of their
portfolio management strategies.  If you would like to learn more about the
portfolios of the Asset Management Fund, current performance information or to
speak with one of our portfolio managers, you are welcome to call the Fund toll
free at 1-800-527-3713.
    


Sincerely,

/s/ Rodger D. Shay                       /s/ Edward E. Sammons, Jr.
                                     
                                     
Rodger D. Shay                           Edward E. Sammons, Jr.
   
Chairman and President                   Vice President/Senior Portfolio Manager
    

<PAGE>   3
 
- --------------------------------------------------------------------------------
 
AMF LOGO
- --------------------------------------------------------------------------------
 
Prospectus
 
- --------------------------------------------------------------------------------
 
       Asset Management Fund, Inc. (the "Fund") is a diversified, open-end
       investment company (a mutual fund) currently consisting of five
       portfolios: the Money Market Portfolio, the Short U.S. Government
       Securities Portfolio, the Adjustable Rate Mortgage (ARM) Portfolio, the
       Intermediate Mortgage Securities Portfolio, and the U.S. Government
       Mortgage Securities Portfolio (each a "Portfolio" and collectively
       referred to as the "Portfolios"). Purchase of shares in the Portfolios is
       designed for institutions and other investors. The Fund's objective is to
       achieve as high a level of current income as is consistent with the
       preservation of capital, the maintenance of liquidity and the differing
       average maturity of investments held by each of the Fund's portfolios.
 
       This Prospectus contains information about the Fund and the Portfolios
       that a prospective investor should know before investing. Please read it
       carefully and retain it for future reference. A Statement of Additional
       Information for the Money Market Portfolio and the Short U.S. Government
       Securities Portfolio, dated March 1, 1998, and a Statement of Additional
       Information for the Adjustable Rate Mortgage (ARM) Portfolio, the
       Intermediate Mortgage Securities Portfolio and the U.S. Government
       Mortgage Securities Portfolio, dated March 1, 1998, have been filed with
       the Securities and Exchange Commission and are incorporated herein by
       reference. The Statements of Additional Information are available upon
       request and without charge from the Fund by writing to the Fund at the
       address below or by telephoning (800) 527-3713.
 
       SHARES OF THE PORTFOLIOS ARE NOT DEPOSITS OR OBLIGATIONS OF, OR
       GUARANTEED OR ENDORSED BY, ANY BANK OR OTHER INSURED DEPOSITORY
       INSTITUTION AND ARE NOT INSURED BY THE FEDERAL DEPOSIT INSURANCE
       CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER GOVERNMENT AGENCY. AN
       INVESTMENT IN A PORTFOLIO INVOLVES INVESTMENT RISKS, INCLUDING POSSIBLE
       LOSS OF PRINCIPAL.
 
       THERE IS NO ASSURANCE THAT THE MONEY MARKET PORTFOLIO WILL BE ABLE TO
       MAINTAIN A STABLE NET ASSET VALUE OF $1.00 PER SHARE.
 
       THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
       AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
       COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE ACCURACY OR
       ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
       CRIMINAL OFFENSE.
 
       Prospectus dated March 1, 1998
 
                              Asset Management Fund, Inc.
                    111 East Wacker Drive, Chicago, Illinois 60601
<PAGE>   4
 
TABLE OF CONTENTS
- --------------------------------------------------------------------------------
 
   
<TABLE>
<S>                                     <C>
SUMMARY                                   1
- -------------------------------------------
FEE TABLES                                3
- -------------------------------------------
FINANCIAL HIGHLIGHTS                      5
- -------------------------------------------
INVESTMENT INFORMATION                   10
- -------------------------------------------
  Investment Objective and Policies      10
     Money Market Portfolio and Short
       U.S. Government Securities
       Portfolio                         10
     Adjustable Rate Mortgage (ARM)
       Portfolio, Intermediate
       Mortgage Securities Portfolio
       and U.S. Government Mortgage
       Securities Portfolio              12
  Description of Securities              14
     Mortgage-Related Securities         14
     Collateralized Mortgage
       Obligations                       16
     When-Issued and Delayed Delivery
       Securities                        16
     Variable and Floating Rate
       Securities                        17
     Repurchase Agreements               17
  Portfolio Turnover                     18
  Investment Limitations                 18
 
FUND AND PORTFOLIO INFORMATION           19
- -------------------------------------------
  Management of the Fund                 19
     Board of Directors                  19
  Investment Adviser                     19
     Advisory Fee Expenses               19
     Adviser's Background                21
  Distributor                            21
     Distribution Expenses               22
  Administrator and Transfer and
     Dividend Agent                      22
  Custodian                              22
  Calculation of Yield and Total
     Return                              22
NET ASSET VALUE                          23
- -------------------------------------------
INVESTING IN THE FUND                    24
- -------------------------------------------
  Share Purchases                        24
  Minimum Investment Required            25
  What Shares Cost                       25
  Confirmations                          25
  Dividends                              25
  Capital Gains                          26
 
REDEEMING SHARES                         26
- -------------------------------------------
  Telephone Redemption                   26
  Written Requests                       27
     Signatures                          27
     Receiving Payment                   28
 
EXCHANGES                                28
- -------------------------------------------
STOCKHOLDER INFORMATION                  28
- -------------------------------------------
  Voting Rights                          28
  Tax Information                        29
</TABLE>
    
<PAGE>   5
 
SUMMARY
Investment Objective
- --------------------------------------------------------------------------------
 
       The investment objective of the Fund is to achieve as high a level of
       current income as is consistent with the preservation of capital, the
       maintenance of liquidity and the differing average maturity of
       investments held by each of the Fund's portfolios.
 
       Each Portfolio limits its investments to those permissible without
       limitation for federal savings associations, national banks and federal
       credit unions under applicable federal law.
 
Money Market Portfolio
 
       The Money Market Portfolio pursues its investment objective by investing
       in high quality short-term money market instruments (including assets
       subject to repurchase agreements) that qualify as "liquid assets" for
       savings associations under the regulations of the Office of Thrift
       Supervision of the Department of the Treasury and that, if included in
       the Portfolio, will qualify its shares as "liquid assets."
 
Short U.S. Government Securities Portfolio
 
       The Short U.S. Government Securities Portfolio pursues its investment
       objective by investing in high-quality assets, primarily in securities
       issued or guaranteed by the U.S. Government, its agencies or
       instrumentalities that qualify as "liquid assets" for savings
       associations under the regulations of the Office of Thrift Supervision of
       the Department of the Treasury and that, if included in the Portfolio,
       will qualify its shares as "liquid assets."
 
Adjustable Rate Mortgage (ARM) Portfolio
 
       The Adjustable Rate Mortgage (ARM) Portfolio pursues its investment
       objective by investing primarily in adjustable rate mortgage securities
       and seeking lower volatility of principal than would be provided by fixed
       rate securities of similar quality.
 
Intermediate Mortgage Securities Portfolio
 
       The Intermediate Mortgage Securities Portfolio pursues its investment
       objective by investing primarily in intermediate-term mortgage-related
       securities paying fixed or adjustable rates of interest.
 
U.S. Government Mortgage Securities Portfolio
 
       The U.S. Government Mortgage Securities Portfolio pursues its investment
       objective by investing primarily in mortgage-related securities
       guaranteed directly by the United States or issued or guaranteed by U.S.
       Government agencies or
       instrumentalities.
 
                                        1
<PAGE>   6
 
Investment Adviser
- --------------------------------------------------------------------------------
 
       Shay Assets Management, Inc. (the "Adviser") serves as the investment
       adviser to each of the Portfolios.
Principal Distributor
- --------------------------------------------------------------------------------
 
       Shay Financial Services, Inc. (the "Distributor") acts as the principal
       distributor of each Portfolio's shares.
Minimum Investment Required
- --------------------------------------------------------------------------------
 
       The minimum initial investment in each Portfolio is $10,000. Subsequent
       purchases may be made in any amount.

Purchase of Shares
- --------------------------------------------------------------------------------
 
       Shares of the Portfolios may be purchased through the Distributor. Shares
       are purchased at the current net asset value without any sales load. See
       "Investing in the Fund."

Sale of Shares
- --------------------------------------------------------------------------------
 
       Shares of the Portfolios may be redeemed upon request on any Business
       Day, as set forth under "Redeeming Shares."
 
                                        2
<PAGE>   7
 
FEE TABLES
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                  Adjustable                     U.S.
                                                     Short U.S.      Rate      Intermediate   Government
                                           Money     Government    Mortgage      Mortgage      Mortgage
                                          Market     Securities     (ARM)       Securities    Securities
                                         Portfolio   Portfolio    Portfolio     Portfolio     Portfolio
                                         ---------   ----------   ----------   ------------   ----------
<S>                                      <C>         <C>          <C>          <C>            <C>
SHAREHOLDER TRANSACTION EXPENSES
    Maximum Sales
       Charge Imposed
       on Purchases....................  None        None         None         None           None
    Maximum Sales
       Charge Imposed
       on Reinvested Dividends.........  None        None         None         None           None
    Redemption Fees....................  None        None         None         None           None
    Exchange Fees......................  None        None         None         None           None
ANNUAL FUND OPERATING EXPENSES
(as a percentage of average net assets)
    Advisory Fees......................    0.15%       0.25%        0.45%         0.35%         0.25%
    12b-1 Fees.........................    0.15%       0.15%        0.25%         0.15%         0.15%
    Other Expenses.....................    0.11%       0.10%        0.09%         0.09%         0.13%
                                           -----       -----        -----         -----         -----
TOTAL FUND OPERATING EXPENSES..........    0.41%       0.50%        0.79%         0.59%         0.53%
                                           =====       =====        =====         =====         =====
</TABLE>
 
EXAMPLE
 
You would pay the following expenses on a $1,000 investment assuming (1) a 5%
annual return and (2) redemption at the end of each time period.
 
<TABLE>
<CAPTION>
                                                     1 Year   3 Years   5 Years   10 Years
                                                     ------   -------   -------   --------
<S>                                                  <C>      <C>       <C>       <C>
Money Market Portfolio.............................    $4       $13       $23       $52
Short U.S. Government Securities Portfolio.........    $5       $16       $28       $63
Adjustable Rate Mortgage (ARM) Portfolio...........    $8       $25       $44       $98
Intermediate Mortgage Securities Portfolio.........    $6       $19       $33       $74
U.S. Government Mortgage Securities Portfolio......    $5       $17       $30       $66
</TABLE>
 
                                        3
<PAGE>   8
 
       The purpose of the preceding table is to assist you in understanding the
       various costs and expenses that you will bear directly or indirectly as
       an investor in the Portfolios. The example is based on actual expenses
       incurred in the last fiscal year excluding waivers of advisory fees and
       12b-1 fees, where applicable. Although during the prior fiscal year ended
       October 31, 1997, Shay Assets Management Co., the former investment
       adviser, waived approximately 100%, 44% and 29% of its fees for the Money
       Market Portfolio, the Adjustable Rate Mortgage (ARM) Portfolio and the
       Intermediate Mortgage Securities Portfolio, respectively, and Shay
       Financial Services Co., the former distributor, waived approximately 40%
       of its 12b-1 fees for the Adjustable Rate Mortgage (ARM) Portfolio (see
       "Financial Highlights," "Advisory Fee Expenses" and "Distribution
       Expenses"), the fee table has been prepared to illustrate annual Fund
       operating expenses assuming no fee waivers.
 
       As a result of the 12b-1 fee, long-term shareholders may pay more than
       the economic equivalent of the maximum front-end sales charge of 8.50%
       permitted by the National Association of Securities Dealers, Inc.
       However, because of the low 12b-1 fee charged, based upon the factors
       below, it would take in excess of 50 years for this to occur with respect
       to all Portfolios except the Adjustable Rate Mortgage (ARM) Portfolio, in
       which case it would take in excess of 30 years. The comparisons assume
       that the value of the investment remained constant and that no interest
       was credited to the savings from the absence of a front-end sales charge.
 
       The examples should not be considered a representation of past or future
       expenses or performance. Actual expenses in future years may be greater
       or lesser than those shown.
 
                                        4
<PAGE>   9
 
FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------
 
The following tables include selected data for a share outstanding throughout
each year and other performance information comprising part of the financial
statements that have been audited by Coopers & Lybrand L.L.P., independent
accountants, whose report thereon is incorporated by reference in the Statements
of Additional Information. More detailed information concerning the performance
of the Portfolios and the audited financial statements is available in the
Fund's Annual Report dated October 31, 1997 and may be obtained without charge
by writing or calling the Fund.
MONEY MARKET PORTFOLIO
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                YEAR ENDED OCTOBER 31
                         1997      1996      1995      1994       1993       1992       1991      1990       1989      1988
- -----------------------------------------------------------------------------------------------------------------------------
<S>                     <C>       <C>       <C>       <C>       <C>        <C>        <C>        <C>       <C>        <C>
Net asset value,
 beginning
 of year..............  $  1.00   $  1.00   $  1.00   $  1.00   $   1.00   $   1.00   $   1.00   $  1.00   $   1.00   $  1.00
                        -------   -------   -------   -------   --------   --------   --------   -------   --------   -------
INCOME FROM INVESTMENT
OPERATIONS:
 Net investment
  income..............    .0513     .0516     .0547     .0346      .0277      .0358      .0595     .0794      .0906     .0709
 Net realized and
  unrealized gain
  (loss) on
  investments.........      -0-       -0-       -0-       -0-        -0-        -0-        -0-       -0-        -0-       -0-
                        -------   -------   -------   -------   --------   --------   --------   -------   --------   -------
 Total from investment
   operations.........    .0513     .0516     .0547     .0346      .0277      .0358      .0595     .0794      .0906     .0709
                        -------   -------   -------   -------   --------   --------   --------   -------   --------   -------
LESS DISTRIBUTIONS:
 Dividends paid to
  stockholders:
 From net investment
  income..............   (.0513)   (.0516)   (.0547)   (.0346)    (.0277)    (.0358)    (.0595)   (.0794)    (.0906)   (.0709)
 From net realized
  gains...............      -0-       -0-       -0-       -0-        -0-        -0-        -0-       -0-        -0-       -0-
                        -------   -------   -------   -------   --------   --------   --------   -------   --------   -------
 Total distributions
  to stockholders.....   (.0513)   (.0516)   (.0547)   (.0346)    (.0277)    (.0358)    (.0595)   (.0794)    (.0906)   (.0709)
                        -------   -------   -------   -------   --------   --------   --------   -------   --------   -------
Net asset value, end
 of year..............  $  1.00   $  1.00   $  1.00   $  1.00   $   1.00   $   1.00   $   1.00   $  1.00   $   1.00   $  1.00
                        =======   =======   =======   =======   ========   ========   ========   =======   ========   =======
Total return..........    5.25%     5.29%     5.60%     3.51%      2.80%      3.64%      6.11%     8.24%      9.49%     7.33%
RATIOS/SUPPLEMENTAL
  DATA:
 Net assets, end of
  year
  (in 000's)..........  $48,104   $69,484   $36,869   $82,969   $107,924   $110,090   $131,291   $72,417   $102,230   $82,091
 Ratio of expenses to
  average net
  assets..............    0.26%(1)   0.24%(1)   0.24%(1)   0.40%(1)    0.40%    0.41%    0.45%     0.36%(1)    0.30%(1)   0.30%(1)
 Ratio of net
  investment income to
  average net
  assets..............    5.14%     5.15%     5.40%     3.34%      2.77%      3.54%      5.83%     7.98%      9.00%     6.97%
</TABLE>
 
- --------------------------------------------------------------------------------
 
(1) Without fees waivers for the years ended October 31, 1997, 1996, 1995, 1994,
1990, 1989 and 1988, the ratios of expenses to average net assets would have
been .41%, .39%, .39%, .42%, .40%, .41% and .39%, respectively.
 
                                        5
<PAGE>   10
 
SHORT U.S. GOVERNMENT SECURITIES PORTFOLIO
- --------------------------------------------------------------------------------
   
<TABLE>
<CAPTION>
                                                        YEAR ENDED OCTOBER 31
                                1997       1996       1995       1994       1993       1992       1991
- --------------------------------------------------------------------------------------------------------
<S>                           <C>        <C>        <C>        <C>        <C>        <C>        <C>
Net asset value, beginning
 of year....................  $  10.56   $  10.68   $  10.45   $  10.89   $  10.85   $  10.71   $  10.39
                              --------   --------   --------   --------   --------   --------   --------
INCOME FROM INVESTMENT
OPERATIONS:
 Net investment income......     .6273      .6370      .6746      .5396      .6155      .7652      .8308
 Net realized and unrealized
  gain (loss) on
  investments...............    (.0100)    (.1200)     .2300     (.4400)     .0400      .1400      .3200
                              --------   --------   --------   --------   --------   --------   --------
 Total from investment
  operations................     .6173      .5170      .9046      .0996      .6555      .9052     1.1508
                              --------   --------   --------   --------   --------   --------   --------
LESS DISTRIBUTIONS:
 Dividends paid to
  stockholders:
 From net investment
  income....................    (.6273)    (.6370)    (.6746)    (.5396)    (.6155)    (.7652)    (.8308)
 From net realized gains....       -0-        -0-        -0-        -0-        -0-        -0-        -0-
                              --------   --------   --------   --------   --------   --------   --------
 Total distributions to
  stockholders..............    (.6273)    (.6370)    (.6746)    (.5396)    (.6155)    (.7652)    (.8308)
                              --------   --------   --------   --------   --------   --------   --------
Net asset value, end of
 year.......................  $  10.55   $  10.56   $  10.68   $  10.45   $  10.89   $  10.85   $  10.71
                              ========   ========   ========   ========   ========   ========   ========
Total return................     6.04%      4.99%      8.94%      0.95%      6.19%      8.72%     11.35%
RATIOS/SUPPLEMENTAL DATA:
 Net assets, end of year
  (in 000's)................  $112,304   $176,892   $167,343   $179,740   $235,705   $213,995   $309,791
 Ratio of expenses to
  average net assets........     0.50%      0.48%      0.49%      0.47%      0.48%      0.50%      0.51%
 Ratio of net investment
  income to average net
  assets....................     5.97%      6.02%      6.42%      5.04%      5.65%      7.15%      7.92%
 Portfolio turnover rate....       75%        69%       112%       195%       110%        43%        18%
 
<CAPTION>
                                   YEAR ENDED OCTOBER 31
                                1990       1989        1988
- ----------------------------  --------------------------------
<S>                           <C>        <C>        <C>
Net asset value, beginning
 of year....................  $  10.42   $  10.37   $    10.45
                              --------   --------   ----------
INCOME FROM INVESTMENT
OPERATIONS:
 Net investment income......     .8445      .8744        .8528
 Net realized and unrealized
  gain (loss) on
  investments...............    (.0300)     .0500       (.0800)
                              --------   --------   ----------
 Total from investment
  operations................     .8145      .9244        .7728
                              --------   --------   ----------
LESS DISTRIBUTIONS:
 Dividends paid to
  stockholders:
 From net investment
  income....................    (.8445)    (.8744)      (.8528)
 From net realized gains....       -0-        -0-          -0-
                              --------   --------   ----------
 Total distributions to
  stockholders..............    (.8445)    (.8744)      (.8528)
                              --------   --------   ----------
Net asset value, end of
 year.......................  $  10.39   $  10.42   $    10.37
                              ========   ========   ==========
Total return................     8.18%      9.36%        7.66%
RATIOS/SUPPLEMENTAL DATA:
 Net assets, end of year
  (in 000's)................  $521,920   $649,320   $  845,269
 Ratio of expenses to
  average net assets........     0.47%      0.45%        0.43%
 Ratio of net investment
  income to average net
  assets....................     8.19%      8.51%        8.16%
 Portfolio turnover rate....       40%        63%          38%
</TABLE>
    
 
- --------------------------------------------------------------------------------
 
                                        6
<PAGE>   11
 
ADJUSTABLE RATE MORTGAGE (ARM) PORTFOLIO
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                          YEAR ENDED OCTOBER 31
                             1997          1996          1995           1994            1993            1992
- ---------------------------------------------------------------------------------------------------------------       1991*
<S>                        <C>           <C>           <C>           <C>             <C>             <C>             <C>
Net asset value,
 beginning of period.....  $   9.95      $   9.94      $   9.78      $    10.02      $     9.98      $    10.01      $  10.00
                           --------      --------      --------      ----------      ----------      ----------      --------
INCOME FROM INVESTMENT
OPERATIONS:
 Net investment income...     .6036         .5958         .6035           .4396           .4267           .5235         .0783
 Net realized and
  unrealized
  gain (loss) on
  investments............     .0400         .0100         .1600          (.2400)          .0386          (.0295)        .0118
                           --------      --------      --------      ----------      ----------      ----------      --------
 Total from investment
  operations.............     .6436         .6058         .7635           .1996           .4653           .4940         .0901
                           --------      --------      --------      ----------      ----------      ----------      --------
LESS DISTRIBUTIONS:
 Dividends paid to
  stockholders:
 From net investment
  income.................    (.6036)       (.5958)       (.6035)         (.4396)         (.4253)         (.5240)       (.0801)
 From net realized
  gains..................       -0-           -0-           -0-             -0-             -0-             -0-           -0-
                           --------      --------      --------      ----------      ----------      ----------      --------
 Total distributions to
  stockholders...........    (.6036)       (.5958)       (.6035)         (.4396)         (.4253)         (.5240)       (.0801)
                           --------      --------      --------      ----------      ----------      ----------      --------
Net asset value, end of
 period..................  $   9.99      $   9.95      $   9.94      $     9.78      $    10.02      $     9.98      $  10.01
                           ========      ========      ========      ==========      ==========      ==========      ========
Total return.............     6.65%         6.27%         8.02%           2.04%           4.76%           5.05%         7.73%
RATIOS/SUPPLEMENTAL DATA:
 Net assets, end of
  period (in 000's)......  $751,334      $796,016      $891,538      $1,045,914      $1,572,311      $1,189,309      $220,858
 Ratio of expenses to
  average net assets.....     0.49%(1)      0.47%(1)      0.48%(1)        0.47%(1)        0.46%(1)        0.44%(1)      0.20%(1)(2)
 Ratio of net investment
  income to average net
  assets.................     6.07%         6.01%         6.12%           4.40%           4.34%           5.14%         6.47%(2)
 Portfolio turnover
  rate...................       74%           60%           68%             65%             30%             43%          -0-%
</TABLE>
 
- --------------------------------------------------------------------------------
 
* Reflects operations for the period from September 18, 1991 (commencement of
operations) through October 31, 1991.
 
(1) Without fee waivers for the years ended October 31, 1997, 1996, 1995, 1994,
1993 and 1992 and the period ended October 31, 1991, the ratios of expenses to
average net assets would have been .79%, .77%, .78%, .76%, .76%, .80% and .79%
(annualized), respectively.
 
(2) Annualized.
 
                                        7
<PAGE>   12
 
INTERMEDIATE MORTGAGE SECURITIES PORTFOLIO*
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                               YEAR ENDED OCTOBER 31
                        1997      1996       1995       1994       1993       1992      1991      1990      1989       1988
- -----------------------------------------------------------------------------------------------------------------------------
<S>                    <C>       <C>       <C>        <C>        <C>        <C>        <C>       <C>       <C>       <C>
Net asset value,
  beginning of
  year...............  $  9.52   $  9.68   $   9.34   $  10.00   $   9.80   $   9.61   $  9.00   $  9.56   $  9.47   $   9.01
                       -------   -------   --------   --------   --------   --------   -------   -------   -------   --------
INCOME FROM
  INVESTMENT
  OPERATIONS:
  Net investment
    income...........    .6245     .6101      .6211      .5407      .5982      .7161     .8071     .8475     .8555      .8329
  Net realized and
    unrealized gain
    (loss) on
    investments......    .1000    (.1600)     .3400     (.6600)     .1987      .1909     .6100    (.5600)    .0900      .4600
                       -------   -------   --------   --------   --------   --------   -------   -------   -------   --------
  Total from
    investment
    operations.......    .7245     .4501      .9611     (.1193)     .7969      .9070    1.4171     .2875     .9455     1.2929
                       -------   -------   --------   --------   --------   --------   -------   -------   -------   --------
LESS DISTRIBUTIONS:
  Dividends paid to
    stockholders:
  From net investment
    income...........   (.6245)   (.6101)    (.6211)    (.5407)    (.5969)    (.7170)   (.8071)   (.8475)   (.8555)    (.8329)
  From net realized
    gains............      -0-       -0-        -0-        -0-        -0-        -0-       -0-       -0-       -0-        -0-
                       -------   -------   --------   --------   --------   --------   -------   -------   -------   --------
  Total distributions
    to
    stockholders.....   (.6245)   (.6101)    (.6211)    (.5407)    (.5969)    (.7170)   (.8071)   (.8475)   (.8555)    (.8329)
                       -------   -------   --------   --------   --------   --------   -------   -------   -------   --------
Net asset value, end
  of year............  $  9.62   $  9.52   $   9.68   $   9.34   $  10.00   $   9.80   $  9.61   $  9.00   $  9.56   $   9.47
                       =======   =======   ========   ========   ========   ========   =======   =======   =======   ========
Total return.........    7.90%     4.82%     10.63%     (1.18%)     8.33%      9.74%    16.41%     3.17%    10.61%     14.92%
RATIOS/SUPPLEMENTAL
  DATA:
  Net assets, end of
    year
    (in 000's).......  $77,982   $92,289   $187,087   $213,427   $218,032   $116,458   $59,298   $66,854   $76,454   $106,310
  Ratio of expenses
    to average net
    assets...........    0.49%(1)  0.44%(1)   0.38%(1)   0.39%(1)   0.37%(1)   0.43%(1)  0.63%    0.58%(1)  0.55%(1)    0.55%(1)  
  Ratio of net
    investment income
    to average net
    assets...........    6.58%     6.38%      6.55%      5.61%      5.94%      7.14%     8.71%     9.18%     9.20%      9.00%
  Portfolio turnover
    rate.............     120%      133%       133%       358%       106%       226%       39%       30%       66%        63%
</TABLE>
    
 
- --------------------------------------------------------------------------------
 
 *  Prior to June 2, 1992, the name of the Portfolio was the Corporate Bond
    Portfolio and the Portfolio was invested primarily in investment grade
    corporate bonds. The data and ratios shown below reflect the record as the
    Corporate Bond Portfolio prior to June 2, 1992.
 
(1) Without fee waivers for the years ended October 31, 1997, 1996, 1995, 1994,
    1993, 1992, 1990, 1989 and 1988, the ratios of expenses to average net
    assets would have been .59%, .58%, .58%, .59%, .57%, .61%, .59%, .60%, and
    .58%, respectively.
 
                                        8
<PAGE>   13
 
U.S. GOVERNMENT MORTGAGE SECURITIES PORTFOLIO
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                    YEAR ENDED OCTOBER 31
                             1997      1996      1995      1994      1993      1992       1991       1990       1989       1988
- ---------------------------------------------------------------------------------------------------------------------------------
<S>                         <C>       <C>       <C>       <C>       <C>       <C>       <C>        <C>        <C>        <C>
Net asset value, beginning
 of year..................  $ 10.51   $ 10.68   $ 10.23   $ 11.28   $ 11.26   $ 11.29   $  10.61   $  10.78   $  10.71   $  10.35
                            -------   -------   -------   -------   -------   -------   --------   --------   --------   --------
INCOME FROM INVESTMENT
OPERATIONS:
 Net investment income....    .7344     .7479     .7703     .7296     .8306     .8924      .9504      .9534      .9705      .9461
 Net realized and
  unrealized gain (loss)
  on investments..........    .1600    (.1700)    .4500    (.9300)    .0195    (.0297)     .6800     (.1700)     .0700      .3600
                            -------   -------   -------   -------   -------   -------   --------   --------   --------   --------
 Total from investment
  operations..............    .8944     .5779    1.2203    (.2004)    .8501     .8627     1.6304      .7834     1.0405     1.3061
                            -------   -------   -------   -------   -------   -------   --------   --------   --------   --------
LESS DISTRIBUTIONS:
 Dividends paid to
  stockholders:
 From net investment
  income..................   (.7344)   (.7479)   (.7703)   (.7296)   (.8301)   (.8927)    (.9504)    (.9534)    (.9705)    (.9461)
 From net realized
  gains...................      -0-       -0-       -0-    (.1200)      -0-       -0-        -0-        -0-        -0-        -0-
                            -------   -------   -------   -------   -------   -------   --------   --------   --------   --------
 Total distributions to
  stockholders............   (.7344)   (.7479)   (.7703)   (.8496)   (.8301)   (.8927)    (.9504)    (.9534)    (.9705)    (.9461)
                            -------   -------   -------   -------   -------   -------   --------   --------   --------   --------
Net asset value, end of
 year.....................  $ 10.67   $ 10.51   $ 10.68   $ 10.23   $ 11.28   $ 11.26   $  11.29   $  10.61   $  10.78   $  10.71
                            =======   =======   =======   =======   =======   =======   ========   ========   ========   ========
Total return..............    8.87%     5.63%    12.37%    (1.82%)    7.76%     7.91%     16.00%      7.63%     10.35%     13.15%
RATIOS/SUPPLEMENTAL DATA:
 Net assets, end of year
  (in 000's)..............  $53,572   $57,267   $62,258   $60,613   $92,994   $72,505   $ 82,849   $205,623   $222,688   $288,420
 Ratio of expenses to
  average net assets......    0.53%     0.52%     0.53%     0.51%     0.51%     0.53%      0.54%      0.51%      0.51%      0.50%
 Ratio of net investment
  income to average net
  assets..................    7.01%     7.10%     7.39%     6.81%     7.32%     7.91%      8.75%      8.97%      9.25%      8.98%
 Portfolio turnover
  rate....................     135%      165%      177%      376%      187%       64%        43%        12%        12%        67%
</TABLE>
 
- --------------------------------------------------------------------------------
 
                                        9
<PAGE>   14
 
INVESTMENT INFORMATION
Investment Objective and Policies
- --------------------------------------------------------------------------------
 
       The investment objective of the Fund is to achieve as high a level of
       current income as is consistent with the preservation of capital, the
       maintenance of liquidity and the differing average maturity of
       investments held by each of the Fund's Portfolios. Each Portfolio pursues
       this investment objective by investing in the securities described below.
       The assets in which each Portfolio may invest are referred to as
       "Eligible Investments" in this Prospectus. While there is no assurance
       that a Portfolio will achieve its investment objective, each endeavors to
       do so by following the investment policies and limitations described
       below. The Fund's investment objective and these policies and limitations
       cannot be changed as to a Portfolio without approval of that Portfolio's
       stockholders.
 
Money Market Portfolio and
Short U.S. Government Securities Portfolio
 
       The Money Market Portfolio invests only in high quality assets (including
       assets subject to repurchase agreements) that qualify as "liquid assets"
       for savings associations under the regulations of the Office of Thrift
       Supervision of the Department of the Treasury ("OTS Regulations") and
       that, if included in the Portfolio, will qualify its shares as "liquid
       assets." As a result, the Fund believes Portfolio shares qualify as
       "liquid assets" under the OTS Regulations. The Portfolio invests in high
       quality short-term money market instruments that are determined to
       present minimal credit risks and that meet the quality and
       diversification requirements of Rule 2a-7 under the Investment Company
       Act of 1940. The Portfolio will maintain a dollar-weighted average
       maturity of 90 days or less. It is the policy of the Portfolio that it
       generally holds its investments to maturity. See "Net Asset Value."
 
       The Short U.S. Government Securities Portfolio invests only in high
       quality assets (including assets subject to repurchase agreements) that
       qualify as "liquid assets" for savings associations under the current OTS
       Regulations and that, if included in the Portfolio, will qualify its
       shares as "liquid assets." As a result, the Fund believes Portfolio
       shares qualify as "liquid assets" under the OTS Regulations. As a
       fundamental investment policy, the Portfolio invests, under normal market
       conditions, at least 65% of its total assets in U.S. Government
       obligations, which consist of obligations issued directly by the United
       States and obligations issued by or fully guaranteed by U.S. Government
       agencies or instrumentalities. In addition, under normal market
       conditions, the Portfolio will maintain a dollar-weighted average
       maturity of less than three years as a non-fundamental investment policy.
 
                                       10
<PAGE>   15
 
       Eligible Investments for the Money Market Portfolio and the Short U.S.
       Government Securities Portfolio include:
 
   
       - obligations issued directly by the U.S. Government or issued by an
         agency or instrumentality of the U.S. Government and fully guaranteed
         as to principal and interest by the U.S. Government, although not as to
         market value. These obligations include U.S. Treasury bonds, notes and
         bills and obligations issued by the Federal Financing Bank and the
         Government National Mortgage Association. These obligations may also
         include variable and floating rate securities.
    
 
       - obligations issued by or fully guaranteed as to principal and interest
         by the following U.S. Government agencies or instrumentalities: the
         Federal Home Loan Banks, Freddie Mac, Fannie Mae, the Federal Farm
         Credit Banks and the Student Loan Marketing Association. Since the
         obligations issued or guaranteed by these U.S. Government agencies or
         instrumentalities are not backed by the full faith and credit of the
         U.S. Government, the Portfolio must look principally to the agencies or
         instrumentalities for ultimate repayment, and may not be able to assert
         claims against the U.S. Government itself if those agencies or
         instrumentalities do not meet their commitments.
 
   
       - certificates of deposit and other time deposits and savings accounts in
         a commercial or savings bank or savings association whose accounts are
         insured by the Federal Deposit Insurance Corporation ("FDIC Insured
         Institution"), including certificates of deposit issued by and other
         time deposits in foreign branches of FDIC insured banks, if they have
         remaining maturities of 397 days or less (if negotiable) or 90 days or
         less (if non-negotiable). Investments in certificates of deposit issued
         by and other time deposits in foreign branches of FDIC insured banks
         involve somewhat different investment risks from those affecting
         deposits in United States branches of such banks, including the risk of
         future political or economic developments, or government action, that
         would adversely affect payments on deposits.
    
 
       - bankers' acceptances of an FDIC Insured Institution if such acceptances
         have remaining maturities of 6 months or less and the Portfolio's total
         investment in such acceptances of the same institution does not exceed
         0.25% of such institution's total deposits.
 
       Each Portfolio's investments in repurchase agreements and certificates of
       deposit and other time deposits of or in FDIC Insured Institutions will
       generally not be insured by any government agency. The Board of Directors
       has adopted operating policies to further restrict certain investments
       (see Statement of Additional Information for these two Portfolios).
 
                                       11
<PAGE>   16
 
Adjustable Rate Mortgage (ARM) Portfolio,
Intermediate Mortgage Securities Portfolio and
U.S. Government Mortgage Securities Portfolio
 
       The Adjustable Rate Mortgage (ARM) Portfolio pursues its investment
       objective by investing in the securities described below and seeking
       lower volatility of principal. Because of the characteristics of
       adjustable rate securities, the Adviser expects that a portfolio of these
       types of securities will generally provide higher current yields than
       money market securities or alternative investments of comparable quality
       and market value volatility. While the Portfolio's net asset value will
       be more volatile than prices of money market securities, it will be less
       volatile than prices of fixed-rate securities of similar quality.
 
   
       At least 65% of the Adjustable Rate Mortgage (ARM) Portfolio's Eligible
       Investments will consist of adjustable rate mortgage securities, except
       when the Portfolio assumes a temporary defensive position in other
       Eligible Investments. The policy of investing at least 65% of the value
       of the Portfolio's total assets in adjustable rate mortgage securities is
       deemed fundamental and may not be changed without stockholder approval.
    
 
       At least 65% of the Intermediate Mortgage Securities Portfolio's Eligible
       Investments will consist of Mortgage-Related Securities paying fixed or
       adjustable rates of interest, except when the Portfolio assumes a
       temporary defensive position in other Eligible Investments. The policy of
       investing at least 65% of the value of the Portfolio's total assets in
       Mortgage-Related Securities is deemed fundamental and may not be changed
       without stockholder approval. The Portfolio intends to invest in
       Mortgage-Related Securities that will produce less price volatility than
       would normally be associated with the ownership of 30-year, fixed-rate
       mortgage-backed securities. Generally, the Portfolio will seek to acquire
       Mortgage-Related Securities having an expected average life of 2 to 7
       years at the time of purchase and would also seek to maintain a
       dollar-weighted expected average life of between 2 to 7 years with
       respect to such securities held by the Portfolio at any one time. These
       goals might be difficult to meet in certain environments when mortgage
       prepayments are very high or very low, but in no case would the Portfolio
       invest in a Mortgage-Related Security that had an expected average life
       of greater than 10 years at the time of purchase.
 
       At least 65% of the U.S. Government Mortgage Securities Portfolio's
       Eligible Investments will consist of Mortgage-Related Securities
       guaranteed directly by the United States or issued or guaranteed by U.S.
       Government agencies or instrumentalities ("Government Mortgage-Related
       Securities"), except when the Portfolio assumes a temporary defensive
       position. The policy of investing at least 65% of the value of the
       Portfolio's total assets in Government Mortgage-Related Securities is
       deemed fundamental and may not be changed without stockholder approval.
 
       The Adjustable Rate Mortgage (ARM) Portfolio, the Intermediate Mortgage
       Securities Portfolio, and the U.S. Government Mortgage Securities
       Portfolio (collectively referred to as the "Mortgage Securities
       Portfolios") invest primarily in "securities
 
                                       12
<PAGE>   17
 
       backed by or representing an interest in mortgages on domestic
       residential housing or manufactured housing" meeting the definition of
       such assets for purposes of the qualified thrift lender ("QTL") test
       under the current OTS Regulations. Pending any revisions of the current
       OTS Regulations, each Portfolio expects that, absent extraordinary market
       developments, at least 65% of its assets will qualify for QTL purposes
       for savings associations, although actual percentages may be higher. In
       addition, each Portfolio will not purchase any Eligible Investments
       having a risk-based weighting in excess of 20% under the current
       risk-based capital regulations established by the Office of Thrift
       Supervision. Also, each Portfolio will not purchase any Eligible
       Investments having a risk-based weighting for banks in excess of 50%
       under current federal regulations of the appropriate regulatory agencies.
       The risk-based capital information and QTL qualifying percentages will be
       communicated quarterly to the stockholders. Furthermore, each Portfolio
       may not invest in "high risk" securities that do not meet the tests
       contained in the "Supervisory Policy Statement on Securities Activities"
       adopted by the Federal Deposit Insurance Corporation, the Office of the
       Comptroller of the Currency, the Office of Thrift Supervision and the
       National Credit Union Administration, respectively, and each Portfolio
       limits its investments to those permissible without limitation for
       federal savings associations, national banks and federal credit unions
       under current applicable regulations.
 
   
       In addition to Mortgage-Related Securities, Eligible Investments for the
       Mortgage Securities Portfolios include: (1) certain U.S. Government or
       agency securities, certain of which are not backed by the full faith and
       credit of the U.S. Government (see the Statement of Additional
       Information for the Mortgage Securities Portfolios), (2) investments in
       certificates of deposit or other time deposits or accounts of an FDIC
       Insured Institution, including foreign branches of FDIC insured banks,
       (3) repurchase agreements collateralized by certain types of Eligible
       Investments of the Portfolio (see the Statement of Additional Information
       for the Mortgage Securities Portfolios), or (4) bankers' acceptances of
       an FDIC insured bank if such acceptances have remaining maturities of six
       months or less and the Portfolio's total investments in such acceptances
       of the same bank do not exceed 0.25% of such bank's total deposits.
    
 
   
       Also, Eligible Investments for the Adjustable Rate Mortgage (ARM)
       Portfolio include Private Mortgage-Related Securities with fixed rates of
       interest rated in one of the two highest rating categories by at least
       one nationally recognized statistical rating organization.
    
 
       The Board of Directors has adopted operating policies to further restrict
       certain investments (see the Statement of Additional Information for the
       Mortgage Securities Portfolios). When business or financial conditions
       warrant, the Portfolios may take a temporary defensive position and
       invest without limit in the foregoing investments.
 
                                       13
<PAGE>   18
 
Description of Securities
- --------------------------------------------------------------------------------
 
Mortgage-Related Securities
 
       "Mortgage-Related Securities" are high quality securities that directly
       or indirectly provide funds principally for residential mortgage loans
       made to home buyers in the United States and that represent interests in,
       or are collateralized by, pools of mortgage loans originated by private
       lenders that have been grouped by various governmental,
       government-related and private organizations. Most Mortgage-Related
       Securities are pass-through securities, which means that they provide
       investors with payments consisting of both principal and interest as
       mortgages in the underlying mortgage pool are paid off by the borrowers.
       The average maturity of pass-through Mortgage-Related Securities varies
       with the maturities of the underlying mortgage instruments and with the
       occurrence of unscheduled prepayments of those mortgage instruments. The
       text that follows is applicable to the Mortgage Securities Portfolios.
 
       Mortgage-Related Securities may be classified into the following
       principal categories, according to the issuer or guarantor:
 
       - Government Mortgage-Related Securities consist of both governmental and
         government-related securities. Governmental securities are backed by
         the full faith and credit of the U.S. Government. The Government
         National Mortgage Association ("GNMA"), the principal U.S. Government
         guarantor of such securities, is a wholly-owned U.S. Government
         corporation within the Department of Housing and Urban Development.
         GNMA is authorized to guarantee, with the full faith and credit of the
         U.S. Government, the timely payment of principal and interest, but not
         of market value, on securities issued by approved institutions and
         backed by pools of FHA-insured or VA-guaranteed mortgages. Government-
         related securities are issued by U.S. Government-sponsored corporations
         and are not backed by the full faith and credit of the U.S. Government.
         Issuers include Fannie Mae ("FNMA"), and Freddie Mac ("FHLMC"). FNMA is
         a U.S. Government-sponsored corporation owned entirely by private
         stockholders. Pass-through securities issued by FNMA are guaranteed as
         to timely payment of principal and interest by FNMA. FHLMC issues
         Mortgage-Related Securities representing interests in mortgage loans
         pooled by it. FHLMC is a U.S. Government-sponsored corporation that
         guarantees the timely payment of interest and ultimate collection of
         principal, and its stock is publicly traded.
 
       - Private Mortgage-Related Securities represent interests in, or are
         collateralized by, pools consisting principally of residential mortgage
         loans created by non-governmental issuers. These securities generally
         offer a higher rate of interest than governmental and
         government-related Mortgage-Related Securities because there are no
         direct or indirect government guarantees of payment as in the former
         securities, although certain credit enhancements may exist. Securities
         issued by private organizations may not have the same degree of
         liquidity as
 
                                       14
<PAGE>   19
 
         those with direct or indirect government guarantees. Private
         Mortgage-Related Securities purchased by the Mortgage Securities
         Portfolios must be rated in one of the two highest rating categories by
         at least one nationally recognized statistical rating organization.
 
       Mortgage-Related Securities include both fixed-rate and adjustable rate
       mortgage securities ("ARMS"). Unlike fixed-rate mortgage securities, ARMS
       have periodic adjustments in the coupons on the underlying mortgages. The
       adjustable rate feature of the mortgages underlying the ARMS in which the
       Mortgage Securities Portfolios invest generally will help to reduce sharp
       changes in each Portfolio's net asset value in response to normal
       interest rate fluctuations to the extent that each Portfolio is invested
       in ARMS. As the interest rates on the mortgages underlying a Portfolio's
       investments in ARMS are reset periodically (generally one to twelve
       months but as long as five years), the yields of such portfolio
       securities will gradually align themselves to reflect changes in market
       rates so that the market value of such securities will remain relatively
       constant as compared to fixed-rate instruments. This in turn should cause
       the net asset value of the Portfolio to fluctuate less than it would if
       the Portfolio invested entirely in more traditional longer-term, fixed-
       rate debt securities.
 
       In contrast to fixed-rate mortgages, which generally decline in value
       during periods of rising interest rates, ARMS permit a Portfolio to
       participate in increases in interest rates through periodic adjustments
       in the coupons of the underlying mortgages. This should produce both
       higher current yields and lower price fluctuations during such periods to
       the extent the Portfolio has invested in ARMS. Furthermore, if
       prepayments of principal are made on the underlying mortgages during
       periods of rising interest rates, the Portfolios generally will be able
       to reinvest such amounts in securities with a higher yield. For certain
       types of ARMS, the rate of amortization of principal, as well as interest
       payments, can and does change in accordance with movements in a
       particular, pre-specified, published interest rate index. The amount of
       interest due to an ARMS holder is calculated by adding a specified
       additional amount, the "margin," to the index, subject to limitations or
       "caps" on the maximum or minimum interest that is charged to the
       mortgagor during the life of the mortgage or to maximum and minimum
       changes in the interest rate during a given period. As a result, the
       Mortgage Securities Portfolios will not benefit from increases in
       interest rates to the extent that interest rates rise to the point where
       they cause the current coupon of adjustable rate mortgages held as
       investments to exceed the maximum allowable annual (usually 100 to 200
       basis points) or lifetime reset limits (or "cap rates") for a particular
       mortgage. Fluctuations in interest rates above these levels could cause
       such mortgage securities to behave more like long-term, fixed-rate debt
       securities. Moreover, a Portfolio's net asset value could vary to the
       extent that current yields on mortgage-backed securities are different
       than market yields during interim periods between coupon reset dates.
       Thus, investors could suffer some principal loss if they sold their
       shares of the Portfolio before the interest rates on the underlying
       mortgages were adjusted to reflect current market rates.
 
                                       15
<PAGE>   20
 
       All mortgage-backed securities carry the risk that interest rate declines
       may result in accelerated prepayment of mortgages and the proceeds from
       such prepayment of mortgages may be reinvested at lower prevailing
       interest rates. During periods of declining interest rates, the coupon
       rates for ARMS may readjust downward, resulting in lower yields to the
       Mortgage Securities Portfolios. Further, because of this feature, ARMS
       may have less potential for capital appreciation than fixed-rate
       instruments of comparable maturities during periods of declining interest
       rates. Therefore, ARMS may be less effective than fixed-rate securities
       as a means of "locking in" long-term interest rates.
 
       If mortgage securities are purchased at a premium, mortgage foreclosures
       and unscheduled principal prepayments may result in some loss of the
       holders' principal investment to the extent of the premium paid. On the
       other hand, if mortgage securities are purchased at a discount, both a
       scheduled payment of principal and an unscheduled repayment of principal
       will increase current and total returns.
 
Collateralized Mortgage Obligations
 
       Mortgage-Related Securities also include debt obligations collateralized
       by the cash flows from mortgage loans, pools of mortgage loans or
       mortgage pass-through securities (often referred to as collateralized
       mortgage obligations or "CMOs"). CMOs may be issued or guaranteed by
       GNMA, FNMA or FHLMC, or they may be issued by private entities such as
       financial institutions, investment bankers, mortgage bankers and
       single-purpose stand-alone finance subsidiaries or trusts of such
       institutions. The CMOs and a form of them known as a real estate mortgage
       investment conduit ("REMIC") typically have a multi-class structure
       ("Multi-Class Mortgage-Related Securities"). Multi-Class Mortgage-Related
       Securities issued by private issuers may be collateralized by
       pass-through securities guaranteed by GNMA or issued by FNMA or FHLMC, or
       they may be collateralized by whole loans or pass-through
       mortgage-related securities of private issuers. Each class has a
       specified maturity or final distribution date. In one structure, payments
       of principal, including any principal prepayments, on the collateral are
       applied to the classes in the order of their respective stated maturities
       or final distribution dates, so that no payment of principal will be made
       on any class until all classes having an earlier stated maturity or final
       distribution date have been paid in full. In other structures, certain
       classes may pay concurrently, or one or more classes may have a priority
       with respect to payments on the underlying collateral up to a specified
       amount. The Mortgage Securities Portfolios will not invest in any class
       with residual characteristics. In addition, each Portfolio limits its
       purchase of CMOs and REMICs issued by private entities to those that are
       rated in one of the two highest rating categories by at least one
       nationally recognized statistical ratings organization, and all CMOs and
       REMICs must pass the "high risk" tests applicable to the investments of
       federal savings associations, national banks and federal credit unions.
 
When-Issued and Delayed Delivery Securities
 
       The Mortgage Securities Portfolios may purchase securities on a
       when-issued or delayed delivery basis, i.e., for delivery and payment at
       a future date. The purchase
 
                                       16
<PAGE>   21
 
       price and the interest rate payable on the securities are fixed on the
       transaction date. At the time of its delivery, a when-issued or delayed
       delivery security may be valued at less than the purchase price. Each
       Portfolio will make commitments for such transactions only when it has
       the intention of actually acquiring the securities. If a Portfolio
       chooses to dispose of the right to acquire a when-issued or delayed
       delivery security prior to its acquisition, it could, as with the
       disposition of any other portfolio investment, incur a gain or loss due
       to market fluctuation. When securities are purchased on a when-issued or
       delayed delivery basis, the Portfolio must set aside funds in a
       segregated account to pay for the purchase, and until acquisition, the
       Portfolio will not earn any interest on the security. Each Portfolio may
       not enter into when-issued commitments exceeding in the aggregate 15% of
       the value of the Portfolio's total assets, less liabilities other than
       the obligations created by when-issued commitments.
   
Variable and Floating Rate Securities
    
 
   
       The Money Market Portfolio and Short U.S. Government Portfolio may
       purchase U.S. Government securities that have variable or floating rates
       of interest ("Variable Rate Securities"). These securities pay interest
       at rates that are adjusted periodically according to a specified formula,
       usually with reference to some interest rate index or market interest
       rate. The interest paid on Variable Rate Securities is a function
       primarily of the index or market rate upon which the interest rate
       adjustments are based. Similar to fixed rate debt instruments, variable
       and floating rate instruments are subject to changes in value based on
       changes in market interest rates, but because of the interest reset
       provision, the potential for capital appreciation or depreciation is
       generally less than for fixed rate obligations. Each Portfolio determines
       the maturity of Variable Rate Securities in accordance with Securities
       and Exchange Commission rules which allow the Portfolio to consider
       certain of such instruments as having maturities shorter than the
       maturity date on the face of the instrument.
    
Repurchase Agreements
 
       The Money Market Portfolio and the Short U.S. Government Securities
       Portfolio may enter into repurchase agreements under which each may
       acquire certain types of Eligible Investments for a relatively short
       period (usually not more than 30 days) subject to an obligation of the
       seller to repurchase and the Portfolio to resell the instrument at a
       fixed price and time, thereby determining the yield during the
       Portfolio's holding period. If the seller defaults in its obligation to
       repurchase from the Portfolio the underlying collateral, the Portfolio
       may incur a loss. Each Portfolio will make payment for such instruments
       only upon their physical delivery to or evidence of their book entry
       transfer to the account of the Portfolio's custodian. Neither Portfolio
       will enter into any repurchase agreements maturing in more than 60 days.
 
                                       17
<PAGE>   22
 
Portfolio Turnover
- --------------------------------------------------------------------------------
 
       Except for the Money Market Portfolio, each Portfolio may engage in
       trading of the portfolio securities to take advantage of market
       variations and to enhance liquidity. The portfolio turnovers are set
       forth for certain periods in the tables under "Financial Highlights."

Investment Limitations
- --------------------------------------------------------------------------------
 
       Each Portfolio may not borrow except that it may borrow from banks for
       temporary or emergency purposes in an aggregate amount not exceeding 10%
       of the value of its net assets and may pledge up to 20% of its net assets
       to secure such borrowings. All borrowings of the Intermediate Mortgage
       Securities Portfolio may not exceed in the aggregate one-third of the
       value of that Portfolio's total assets, less liabilities other than such
       borrowings. To the extent that borrowings exceed 5% of a Portfolio's net
       assets, such borrowings will be repaid before any investments are made.
 
       The Money Market Portfolio and the Short U.S. Government Securities
       Portfolio will not purchase any Eligible Investments maturing in more
       than seven days for which market quotations are not readily available and
       will not enter into any repurchase agreements maturing in more than seven
       days if, as a result, more than 10% of the market value of their
       respective total assets would be invested in such illiquid Eligible
       Investments together with such repurchase agreements maturing in more
       than seven days.
 
       The Money Market Portfolio and the Short U.S. Government Securities
       Portfolio will not invest more than 25% of their respective total assets
       in the securities of issuers in any single industry, provided that there
       shall be no such limitation on the purchase of obligations issued or
       guaranteed by the U.S. Government or its agencies or instrumentalities,
       or time deposits (including certificates of deposit), savings deposits
       and bankers' acceptances of United States branches of United States
       banks.
 
   
       The Adjustable Rate Mortgage (ARM) Portfolio will not purchase any
       Eligible Investments maturing in more than seven days for which market
       quotations are not readily available, or purchase interest rate caps and
       floors, or enter into any repurchase agreements maturing in more than
       seven days if, as a result, more than 10% of the market value of its
       total assets would be invested in such illiquid Eligible Investments.
    
 
       The Intermediate Mortgage Securities Portfolio will not purchase any
       Eligible Investments maturing in more than seven days for which market
       quotations are not readily available and will not enter into any
       repurchase agreements maturing in more than seven days if, as a result,
       more than 15% of the market value of its total assets would be invested
       in such illiquid Eligible Investments together with repurchase agreements
       maturing in more than seven days. To the extent Rule 144A securities are
       deemed by
 
                                       18
<PAGE>   23
 
       the Adviser, subject to the supervision of the Board of Directors, to be
       illiquid, they will be subject to the foregoing 15% limitation on
       illiquid investments.
 
       The U.S. Government Mortgage Securities Portfolio will not purchase any
       Mortgage-Related Securities or other Eligible Investments maturing in
       more than seven days for which market quotations are not readily
       available and will not enter into any repurchase agreements maturing in
       more than seven days if, as a result, more than 10% of the market value
       of its total assets would be invested in such illiquid Eligible
       Investments together with such repurchase agreements maturing in more
       than seven days.
 
       The Mortgage Securities Portfolios will not invest more than 25% of their
       respective total assets in the securities of issuers in any single
       industry, provided that there shall be no limitation on investments in
       the mortgage and mortgage finance industry (in which more than 25% of the
       value of each Portfolio's total assets will, except for temporary
       defensive purposes, be invested) or on obligations issued or guaranteed
       by the U.S. Government or its agencies or instrumentalities.

FUND AND PORTFOLIO INFORMATION

Management of the Fund
- --------------------------------------------------------------------------------
 
Board of Directors
 
       The Fund is managed by a Board of Directors. The Directors are
       responsible for managing the Fund's business affairs and for exercising
       all the Fund's powers except those reserved for the stockholders. The
       Directors' responsibilities include reviewing the actions of the Fund's
       investment adviser, distributor and administrator.
 
Investment Adviser
- --------------------------------------------------------------------------------
 
   
       Investment decisions for the Portfolios are made by Shay Assets
       Management, Inc. ("Adviser"), the Fund's investment adviser effective as
       of December 8, 1997. Prior to that date, Shay Assets Management Co.
       ("SAMC") served as the Fund's investment adviser. The Adviser is
       responsible for placing purchase and sale orders for portfolio
       instruments. For its investment management services, the Adviser receives
       an annual fee from the Fund.
    
 
Advisory Fee Expenses
 
       For the Fund's fiscal year ended October 31, 1997, the Fund paid SAMC
       fees as follows:
 
       - Money Market Portfolio -- SAMC voluntarily waived its entire advisory
         fees with respect to the Portfolio, amounting to 0.15% of the
         Portfolio's average daily net assets. The Adviser has agreed to reduce
         or waive (but not below zero) its advisory fees allocated to the
         Portfolio to the extent that the daily ratio of
 
                                       19
<PAGE>   24
 
         operating expenses to average daily net assets of the Portfolio exceeds
         0.75%. The Adviser may supplementally waive advisory fees in an amount
         up to but not to exceed 0.15% of the average daily net assets of the
         Portfolio. For the Fund's fiscal year ended October 31, 1997, total
         expenses of the Portfolio were 0.26% of its average net assets (net of
         fee waivers).
 
   
       - Short U.S. Government Securities Portfolio -- The Fund paid SAMC
         aggregate fees of 0.25% of the Portfolio's average daily net assets.
         The Adviser has agreed to reduce or waive (but not below zero) its
         advisory fees allocated to the Portfolio to the extent that the daily
         ratio of operating expenses to average daily net assets of the
         Portfolio exceeds 0.75%. The Adviser may supplementally waive its fees
         in an amount up to but not to exceed 0.25% of the average daily net
         assets of the Portfolio. For the Fund's fiscal year ended October 31,
         1997, total expenses of the Portfolio were 0.50% of its average net
         assets, and no fees were waived.
    
 
       - Adjustable Rate Mortgage (ARM) Portfolio -- The Fund paid SAMC
         aggregate fees of 0.25% of the Portfolio's average daily net assets
         (net of fee waivers totalling approximately 0.20%). The Adviser may
         voluntarily elect to waive its advisory fees in an amount up to but not
         to exceed 0.45% of the average daily net assets of the Portfolio. For
         the fiscal year ended October 31, 1997, total expenses of the Portfolio
         were 0.49% of its average net assets (net of fee waivers).
 
   
       - Intermediate Mortgage Securities Portfolio -- The Fund paid SAMC
         aggregate fees of 0.25% of the Portfolio's average daily net assets
         (net of fee waivers totalling approximately 0.10%). The Adviser has
         agreed to waive or reduce (but not below zero) its advisory fees
         allocated to the Portfolio to the extent that the daily ratio of
         operating expenses to average daily net assets of the Portfolio exceeds
         0.75%. The Adviser may supplementally waive advisory fees in an amount
         up to but not to exceed 0.35% of the average daily net assets of the
         Portfolio. For the Fund's fiscal year ended October 31, 1997, total
         expenses of the Portfolio were 0.49% of its average net assets (net of
         fee waivers).
    
 
   
       - U.S. Government Mortgage Securities Portfolio -- The Fund paid SAMC
         aggregate fees of 0.25% of the Portfolio's average daily net assets.
         The Adviser has agreed to reduce or waive (but not below zero) its
         advisory fees allocated to the Portfolio to the extent that the daily
         ratio of operating expenses to average daily net assets of the
         Portfolio exceeds 0.75%. The Adviser may supplementally waive advisory
         fees in an amount up to but not to exceed 0.25% of the average daily
         net assets of the Portfolio. For the Fund's fiscal year ended October
         31, 1997, total expenses of the Portfolio were 0.53% of its average net
         assets, and no fees were waived.
    
 
       Each voluntary supplemental waiver agreement may be terminated at any
       time by the Adviser.
 
                                       20
<PAGE>   25
 
Adviser's Background
 
       The Adviser, with its principal office located at 111 E. Wacker Drive,
       Chicago, Illinois, became registered as an investment adviser with the
       Securities and Exchange Commission under the Investment Advisers Act of
       1940 on November 6, 1997. The Adviser, a Florida corporation, is a wholly
       owned subsidiary of Shay Investment Services, Inc., which is a closely
       held corporation controlled by Rodger D. Shay, the President of the Fund.
 
       Effective December 8, 1997, the Adviser succeeded to the investment
       adviser business of SAMC, which had been the Fund's investment adviser
       since 1990. SAMC was a general partnership that consisted of two general
       partners, Shay Assets Management, Inc., the Fund's current adviser, and
       ACB Assets Management, Inc. ("ACBAM"), each of which held a fifty percent
       interest in the partnership. Shay Assets Management, Inc. is controlled
       by Rodger D. Shay and ACBAM is an indirect wholly owned subsidiary of
       America's Community Bankers ("ACB"). On December 8, 1997, Shay Assets
       Management, Inc. purchased ACBAM's 50% interest in SAMC and the
       investment adviser operations were transferred to the Adviser.
 
       The Portfolio Managers of the Adviser manage the Fund's investments as a
       team under the day-to-day direction of Edward E. Sammons, Jr., President
       of the Adviser and Vice President of the Fund since 1985. Mr. Sammons
       assumed primary responsibility for the Fund's investments in 1985.

Distributor
- --------------------------------------------------------------------------------
 
       The Distributor, Shay Financial Services, Inc., a Florida corporation, is
       a wholly owned subsidiary of Shay Investment Services, Inc., which is a
       closely held corporation controlled by Rodger D. Shay.
 
       Effective December 8, 1997, the Distributor succeeded to the
       broker-dealer business of Shay Financial Services Co. ("SFSC"). From
       September 18, 1996 until December 8, 1997, SFSC had been the Fund's
       principal distributor. Prior to September 18, 1996, SFSC had acted as the
       Fund's sponsor of its shares. SFSC was a general partnership that
       consisted of two general partners, Shay Financial Services, Inc., the
       Fund's current distributor, and ACB Securities, Inc. ("ACBS"), each of
       which held a fifty percent interest in the partnership. Shay Financial
       Services, Inc. is controlled by Rodger D. Shay and ACBS is an indirect
       wholly-owned subsidiary of ACB. On December 8, 1997, Shay Financial
       Services, Inc. purchased ACBS' 50% interest in SFSC and the broker-dealer
       operations and distribution activities were transferred to the
       Distributor.
 
       Pursuant to the Distribution Agreement, the Distributor, as the principal
       distributor of the Fund's shares, directly and through other firms
       advertises and promotes the Fund. For its distribution services, the
       Distributor receives an annual fee from the Fund in accordance with the
       distribution plan adopted by the Fund pursuant to Rule 12b-1 under the
       Investment Company Act of 1940 (the "12b-1 Plan").
 
                                       21
<PAGE>   26
 
Distribution Expenses
 
       For the Fund's fiscal year ended October 31, 1997, the Fund paid SFSC a
       fee of 0.15% of each Portfolio's average net assets (net of fee waivers,
       totalling approximately 0.10% for the Adjustable Rate Mortgage (ARM)
       Portfolio). The Distributor may voluntarily elect to waive its 12b-1 fees
       in an amount up to but not to exceed 0.25% of the average daily net
       assets of the Adjustable Rate Mortgage (ARM) Portfolio and in an amount
       up to but not to exceed 0.15% of the average daily net assets of each of
       the other four Portfolios. Each voluntary waiver agreement may be
       terminated at any time by the Distributor. Although the Distributor's fee
       is calculable separately with respect to each Portfolio of the Fund and
       the Distributor reports expense information to the Fund on a
       portfolio-by-portfolio basis, any 12b-1 fee received by the Distributor
       in excess of expenses for a given Portfolio may be used for any purpose,
       including payment of otherwise unreimbursed expenses incurred in
       distributing shares of another Portfolio or to compensate another dealer
       for distribution assistance. The 12b-1 Plan does not permit a Portfolio
       to be charged for interest, carrying, or other financing charges on any
       such unreimbursed carryover amounts, but it does provide for
       reimbursement for a portion of the Distributor's overhead expenses.

Administrator and Transfer and Dividend Agent
- --------------------------------------------------------------------------------
 
   
       PFPC Inc. ("PFPC"), 103 Bellevue Parkway, Wilmington, Delaware 19809,
       performs various administrative services for the Fund with respect to the
       Portfolios. These services include maintenance of books and records,
       preparation of governmental filings and stockholder reports, and
       computation of net asset values and daily dividends. For the Fund's
       fiscal year ended October 31, 1997, the Fund paid PFPC a fee of 0.03% of
       each Portfolio's average net assets for the above administrative
       services. PFPC is also the transfer and dividend agent for each
       Portfolio's shares.
    
Custodian
- --------------------------------------------------------------------------------
 
       PNC Bank, Philadelphia, Pennsylvania, is the custodian of each
       Portfolio's investments. PNC Bank and PFPC are affiliates of PNC Bank
       Corp.

Calculation of Yield and Total Return
- --------------------------------------------------------------------------------
 
       From time to time all Portfolios other than the Money Market Portfolio
       advertise their "yield" and "total return." These figures are based on
       historical earnings and are not intended to indicate future performance.
 
       The "yield" of a Portfolio refers to the income generated by an
       investment in the Portfolio over a 30-day period (which period will be
       stated in the advertisement). This income is then "annualized." That is,
       the amount of income generated by the investment during that 30-day
       period is assumed to be generated each 30-day period for twelve periods
       and is shown as a percentage of the investment. The
 
                                       22
<PAGE>   27
 
       income earned on the investment is also assumed to be reinvested at the
       end of the sixth 30-day period.
 
       The "total return" of a Portfolio shows what an investment in the
       Portfolio would have earned over a specified period of time (one, five
       and ten years; for the Adjustable Rate Mortgage (ARM) Portfolio, one and
       five years and any longer period of time measured from September 18,
       1991, the date the Portfolio's shares were first offered publicly),
       assuming that all distributions and dividends by the Portfolio were
       reinvested on the reinvestment dates during the period and less all
       recurring fees. Any agreement by the Adviser and Distributor to reduce or
       waive their fees under certain circumstances may cause a Portfolio's
       yield and total return to be higher than they otherwise would be. See
       "Advisory Fee Expenses" and "Distribution Expenses."
 
       From time to time the Money Market Portfolio advertises its "yield" and
       "effective yield." Both yield figures are based on historical earnings
       and are not intended to indicate future performance. The "yield" of the
       Portfolio refers to the income generated by an investment in the
       Portfolio over a seven-day period (which period will be stated in the
       advertisement). This income is then "annualized." That is, the amount of
       income generated by the investment during that week is assumed to be
       generated each week over a 52-week period and is shown as a percentage of
       the investment. The "effective yield" is calculated similarly but, when
       annualized, the income earned by an investment in the Portfolio is
       assumed to be reinvested. The "effective yield" will be slightly higher
       than the "yield" because of the compounding effect of this assumed
       reinvestment. Any agreement by the Adviser and Distributor to reduce or
       waive their fees under certain circumstances may cause the Portfolio's
       yields to be higher than they otherwise would be. See "Advisory Fee
       Expenses" and "Distribution Expenses."

NET ASSET VALUE
 
       For all Portfolios other than the Money Market Portfolio, the net asset
       value per share fluctuates daily. It is determined by dividing the value
       of all securities and all other assets, less liabilities, by the number
       of shares outstanding. Each investment of these Portfolios is valued at
       market value or, if market quotations are not readily available, at fair
       value determined by the Board of Directors. Short-term instruments
       maturing within 60 days may be valued at amortized cost, provided that
       the Board of Directors determines that amortized cost represents fair
       value.
 
       The Money Market Portfolio's net asset value per share is determined by
       dividing the value of all securities and all other assets, less
       liabilities, by the number of shares outstanding. The Portfolio's
       investments are valued in accordance with Rule 2a-7 under the Investment
       Company Act of 1940 based on their amortized cost, which does not take
       into account unrealized appreciation or depreciation. The Fund's Board of
       Directors has established procedures reasonably designed to stabilize the
 
                                       23
<PAGE>   28
 
       net asset value per share at $1.00, although there is no assurance that
       the Portfolio will be able to do so.
 
       Under the quality requirements of Rule 2a-7, the Money Market Portfolio
       may only purchase Eligible Investments that at the time of acquisition
       are "Eligible Securities" as that term is defined in Rule 2a-7. "Eligible
       Securities" include only securities that are rated in the top two rating
       categories by the required number of nationally recognized statistical
       rating organizations (at least two or, if only one such organization has
       rated the security, that one organization) or, if unrated, are deemed
       comparable in quality. The diversification requirements of Rule 2a-7
       provide generally that the Portfolio may not at the time of acquisition
       invest more than 5% of its assets in securities of any one issuer or
       invest more than 5% of its assets in securities that are Eligible
       Securities that have not been rated in the highest category by the
       required number of rating organizations or, if unrated, have not been
       deemed comparable, except U.S. Government securities and repurchase
       agreements collateralized by such securities.

INVESTING IN THE FUND

Share Purchases
- --------------------------------------------------------------------------------
 
       To purchase shares of the Portfolios, investors may open an account by
       calling the Distributor at (800) 527-3713 and obtaining an application
       form. After a completed application form has been received and processed,
       orders to purchase shares of the Portfolios may be made by telephoning
       the Distributor.
 
       Purchase orders are accepted on each Business Day and become effective
       upon receipt and acceptance by the Fund. (As used in this Prospectus, the
       term "Business Day" means any day on which the Adviser and PNC Bank are
       both open for business.) Payment must be in the form of federal funds.
       Wire transfer instructions for federal funds should be as follows: PNC
       Bank, Philadelphia, PA, ABA-0310-0005-3; BNF Mutual Funds Services /
       8529992181; For purchase of Asset Management Fund, (Name of Portfolio);
       From: (Name of Investor); Account Number (Investor's account number with
       the Fund); $ (Amount to be invested).
 
       For an investor's purchase to be eligible for same day settlement, the
       purchase order must be received on a Business Day before 12:00 Noon, New
       York City time (or 1:00 P.M., New York City time, for Pacific time zone
       investors as determined by their addresses in the Fund's records), and
       payment for the purchase order must be received by PNC Bank by 4:00 P.M.,
       New York City time, of that day. For investors seeking next day
       settlement, the purchase order must be received on a Business Day before
       4:00 P.M., New York City time, and payment must be received by PNC Bank
       by 4:00 P.M., New York City time, on the next Business Day after the
       purchase order was received. An investor must indicate to the Fund at the
       time the order is placed whether same day or next day settlement is
       sought. Payment must be
 
                                       24
<PAGE>   29
 
       received by PNC Bank by 4:00 P.M., New York City time, on the Business
       Day designated for settlement or the order will be cancelled.
 
       A purchase order is considered binding upon the investor. Should it be
       necessary to cancel an order because payment was not timely received, the
       Fund will hold the investor responsible for the difference between the
       price of the shares when ordered and the price of the shares when the
       order was cancelled. If the investor is already a shareholder of the
       Fund, the Fund may redeem shares from the investor's account in an amount
       equal to such difference. In addition, the Fund may prohibit or restrict
       the investor from making future purchases of the Fund's shares.
 
       Any federal funds received in respect of a cancelled order will be
       returned upon instructions from the sender without any liability of the
       Fund, the Adviser or PNC Bank. If it is not possible to return such
       federal funds the same day, the sender will not have the use of such
       funds until the next day on which it is possible to effect such return.
       The Fund reserves the right to reject any purchase order.

Minimum Investment Required
- --------------------------------------------------------------------------------
 
       The minimum initial investment in each Portfolio is $10,000. There is no
       minimum balance. Subsequent purchases may be made in any amount.

What Shares Cost
- --------------------------------------------------------------------------------
 
   
       Shares of the Portfolios are sold at their net asset value next
       determined after the purchase order becomes effective. The Money Market
       Portfolio seeks to maintain a net asset value of $1.00 per share. (See
       "Net Asset Value.") There is no sales charge imposed by the Portfolios.
       For all Portfolios other than the Money Market Portfolio, the net asset
       value is determined each Business Day at 4:00 P.M., New York City time.
       For the Money Market Portfolio, net asset value is determined twice on
       each Business Day, at 1:00 P.M. and at 4:00 P.M., New York City time. Net
       asset value for purposes of pricing redemption orders is determined at
       4:00 P.M., New York City time, on any day redemptions are permitted and a
       proper redemption request is received (see "Redeeming Shares").
    

Confirmations
- --------------------------------------------------------------------------------
 
       As transfer and dividend agent for the Fund, PFPC maintains a share
       account for each stockholder. Detailed confirmations of each purchase or
       redemption are sent to each stockholder. Monthly confirmations are sent
       to report dividends paid during the month.

Dividends
- --------------------------------------------------------------------------------
 
       Dividends are declared daily and paid monthly. Such dividends are
       declared immediately prior to 4:00 P.M., New York City time, and are
       automatically reinvested in
                                       25
<PAGE>   30
 
       additional shares of the respective Portfolios unless the stockholder
       requests cash payments by contacting the Distributor.
 
       For all Portfolios other than the Money Market Portfolio, an investor
       will receive the dividend declared on both the day its purchase order is
       settled and the day its redemption order is effected, including any next
       succeeding non-Business Day or Days, since proceeds are normally wired
       the next Business Day. For the Money Market Portfolio, an investor will
       receive the dividend declared on the day its purchase order is settled
       but will not receive the dividend declared on the day its redemption
       order is effected.

Capital Gains
- --------------------------------------------------------------------------------
 
       Net capital gains, if any, realized by a Portfolio are declared and paid
       once each year and reinvested in shares or, at the stockholder's option,
       paid in cash.

REDEEMING SHARES
 
       The Portfolios redeem shares at their respective net asset values next
       determined after the Distributor receives the redemption request.
       Redemptions may be made on Business Days when the U.S. Government and
       agency securities market is open. Redemption requests must be received in
       proper form and can be made by telephone or in writing.

Telephone Redemption
- --------------------------------------------------------------------------------
 
        -
        For all Portfolios other than the Money Market Portfolio:
 
         Stockholders may redeem their shares by telephoning the Distributor on
         a Business Day. Call (800) 527-3713. The time the redemption request is
         received determines when proceeds are sent and the accrual of
         dividends. Redemptions received prior to 12:00 Noon, New York City time
         (1:00 P.M., New York City time, for investors in the Pacific time
         zone), on a Business Day or other day redemptions are permitted, are
         effected on the same day, immediately after 4:00 P.M., New York City
         time. This means that proceeds will normally be wired in federal funds
         to the stockholder's bank or other account shown on the Fund's records
         the next Business Day, but in no case later than seven days. A
         stockholder will receive dividends declared only through the day its
         redemption is effected and any next succeeding non-Business Day or
         Days. All redemptions received between 12:00 Noon and 4:00 P.M., New
         York City time, on a Business Day or other day redemptions are
         permitted, are effected on the same day, immediately after 4:00 P.M.,
         New York City time; however, the proceeds will normally be sent the
         second following Business Day. The stockholder will receive dividends
         declared only through the day its redemption is effected, including any
         next succeeding non-Business Day or Days, but will not be entitled to
         dividends for the following Business Day. The Fund recommends that all
         redemption requests be
 
                                       26
<PAGE>   31
 
         placed so as to be received prior to 12:00 Noon, New York City time,
         because of the advantage in having proceeds sent the next Business Day.
 
        -
        For the Money Market Portfolio:
 
         Stockholders may redeem their shares by telephoning the Distributor on
         a Business Day. Call (800) 527-3713. If the request is received before
         12:00 Noon, New York City time (1:00 P.M., New York City time, for
         investors in the Pacific time zone), on a Business Day, the redemption
         will be effected as of 1:00 P.M., New York City time, and the proceeds
         will normally be wired the same day in federal funds to the
         stockholder's bank or other account shown on the Fund's records, but in
         no case later than seven days. If the request is received before 4:00
         P.M., New York City time, on a Business Day or other day redemptions
         are permitted, the redemption will be effected as of 4:00 P.M., New
         York City time, and the proceeds will normally be wired the next
         Business Day.
 
         Since a stockholder will not receive any dividend declared on the day
         its redemption request is effected, the Fund recommends that all
         redemption requests be placed so as to be received prior to 12:00 Noon,
         New York City time.

Written Requests
- --------------------------------------------------------------------------------
 
       Portfolio shares may also be redeemed by sending a written request to the
       Distributor, 111 East Wacker Drive, Chicago, Illinois 60601; Attention:
       Asset Management Fund, Inc. If share certificates have been issued, they
       must be properly endorsed and guaranteed and be received by PFPC before
       the redemption will be effected.
 
Signatures
 
   
       Signatures on written redemption requests and share certificates must be
       guaranteed by:
    
 
   
        - a Federal Home Loan Bank; or
    
 
   
        - a savings association or a savings bank; or
    
        
   
        - a trust company or a commercial bank; or
    
        
   
        - a member firm of a domestic securities exchange or a registered
          securities association; or
    
 
   
        - a credit union or other eligible guarantor institution.
    
        
       In certain instances, the transfer and dividend agent may request
       additional documentation believed necessary to insure proper
       authorization. Stockholders with questions concerning documentation
       should contact the transfer and dividend agent.
 
                                       27
<PAGE>   32
 
Receiving Payment
 
       Proceeds of written redemption requests are sent at the same time and in
       the same manner as for telephone redemptions, based on the time of the
       receipt in proper form.

EXCHANGES
 
       Stockholders may exchange shares of a Portfolio with shares in another
       Portfolio of the Fund by telephoning the Distributor on a Business Day.
       Call (800) 527-3713. Exchanges may also be made by written request as
       previously described under "Written Requests." Exchanges will be effected
       at the relative net asset values next determined after receipt of an
       exchange request in proper form. Stockholders will receive dividends in
       the Portfolio through the date the exchange is effected and will begin
       receiving dividends in the other Portfolio the next Business Day.
 
       An exchange between Portfolios will normally involve realization of a
       capital gain or loss, since for federal income tax purposes an exchange
       is treated as a sale of the shares from which the exchange is made and a
       purchase of the shares into which the exchange is made.
 
       The Fund reserves the right to amend or terminate this privilege with
       notice to stockholders.

STOCKHOLDER INFORMATION

Voting Rights
- --------------------------------------------------------------------------------
 
       The Fund has five Portfolios: the Money Market Portfolio, the Short U.S.
       Government Securities Portfolio, the Adjustable Rate Mortgage (ARM)
       Portfolio, the Intermediate Mortgage Securities Portfolio and the U.S.
       Government Mortgage Securities Portfolio, and five classes of shares,
       representing interests only in the corresponding Portfolio and having
       equal voting rights within each class. The Fund's charter provides that
       on any matter submitted to a vote of stockholders, all shares,
       irrespective of class, shall be voted in the aggregate and not by class,
       except that (i) as to any matter with respect to which a separate vote of
       any class is required by the Investment Company Act of 1940 or the
       Maryland General Corporation Law, such requirements as to a separate vote
       by that class shall apply in lieu of the aggregate voting as described
       above, and (ii) as to any matter which does not affect the interest of a
       particular class, only stockholders of the affected class shall be
       entitled to vote thereon. The Bylaws of the Fund require that a special
       meeting of stockholders be held upon the written request of stockholders
       holding not less than 10% of the issued and outstanding shares of the
       Fund.
 
                                       28
<PAGE>   33
 
Tax Information
- --------------------------------------------------------------------------------
 
       Each of the Portfolios has not been required to pay federal income taxes
       because it has taken all necessary action to qualify as a regulated
       investment company under the Internal Revenue Code. Each Portfolio
       intends to remain so qualified for its future taxable years so long as
       such qualification is in the best interests of stockholders.
 
       The Fund intends to distribute all of the net income and any gains of the
       Portfolios to stockholders. Unless otherwise exempt, stockholders are
       required to pay federal income tax on any dividends and other
       distributions received. This applies whether dividends are received in
       cash or as additional shares. Dividends declared in December to
       stockholders of record as of a date in that month and paid during the
       following January are treated as if received on December 31 of the
       calendar year declared.
 
       Information on the tax status of dividends and distributions is provided
       annually.
 
                                       29
<PAGE>   34
 
                            NEW ACCOUNT APPLICATION
                       ASSET MANAGEMENT FUND, INC. (AMF)
 
I.  HOW TO OPEN YOUR AMF ACCOUNT AND PURCHASE SHARES
 
    -  Please complete the requested information. You may call toll free to
       open a temporary account, 1-800-527-3713, or fax your completed
       application to (312) 938-2548. Mail the original completed application
       to the Fund's distributor, Shay Financial Services, Inc., 111 E. Wacker
       Drive, Chicago, IL 60601. Your new AMF account number will be assigned.
        
   TO PLACE YOUR ORDER...
 
    -  Call toll free 1-800-527-3713 to place your order and confirm wire
       instructions.
 
    -  Wire funds to:
       PNC Bank, ABA 031 000 053
       BNF Mutual Fund Services / 8529992181
       Portfolio Name (Money Market Portfolio, Short U.S. Government Securities
       Portfolio,      Adjustable Rate Mortgage (ARM) Portfolio, Intermediate
       Mortgage Securities      Portfolio or U.S. Government Mortgage Securities
       Portfolio)
       Customer Name
       Account Number
 
    -  Written confirmations and monthly statements of your AMF transactions 
       will be mailed to you.
 
II. ACCOUNT REGISTRATION
 
    Name of Institution
                        --------------------------------------------------------
    Attention
              ------------------------------------------------------------------
    Mailing Address
                    ------------------------------------------------------------
 
    ----------------------------------------------------------------------------
 
    ----------------------------------------------------------------------------
    Phone Number
                 ---------------------------------------------------------------
    Tax Identification Number
                              --------------------------------------------------
<PAGE>   35
 
III. REDEMPTION
 
     Please provide complete instructions for wiring of redemption proceeds in
     Federal funds to your account with a bank or trust company.
 
   Name of Bank
   or Trust Company
   -----------------------------------------------------------------------------
 
   Street Address
   -----------------------------------------------------------------------------
 
   City, State, Zip
   -----------------------------------------------------------------------------
 
   ABA Number
   -----------------------------------------------------------------------------
 
   Account Name
   -----------------------------------------------------------------------------
 
   Account Number
   -----------------------------------------------------------------------------
 
IV. DIVIDENDS
 
    Please select "Cash" or "Reinvest" for your dividend distributions.  [
    ] Cash  [ ] Reinvest
 
V. PHONE ORDER AUTHORIZATIONS
 
   Please list individuals (up to three) who are authorized to make purchases
   and redemptions by phone:
 
   -  Name
   -----------------------------------------------------------------------------
 
      Phone
   -----------------------------------------------------------------------------
 
   -  Name
   -----------------------------------------------------------------------------
 
      Phone
   -----------------------------------------------------------------------------
 
   -  Name
   -----------------------------------------------------------------------------
 
      Phone
   -----------------------------------------------------------------------------
 
AUTHORIZED SIGNATURE
- --------------------------------------------------------------------------------
 
Name (print or type)
- --------------------------------------------------------------------------------
 
Title
- --------------------------------------------------------------------------------
 
Phone Number
- --------------------------------------------------------------------------------
 
Date
- --------------------------------------------------------------------------------
<PAGE>   36
- --------------------------------------------------------------------------------

DISTRIBUTOR                                     DIRECTORS AND OFFICERS

Shay Financial Services, Inc.                   Richard M. Amis
111 East Wacker Drive                           Director
Chicago, Illinois 60601                         
                                                Arthur G. De Russo
                                                Director

                                                David F. Holland
INVESTMENT ADVISER                              Director

Shay Assets Management, Inc.                    Gerald J. Levy
111 East Wacker Drive                           Director and Vice Chairman
Chicago, Ilinois 60601                          
                                                Rodger D. Shay
ADMINISTRATOR AND TRANSFER                      Director, Chairman and President
AND DIVIDEND AGENT
                                                
PFPC Inc.                                       Edward E. Sammons, Jr.
103 Bellevue Parkway                            Vice President, Treasurer
Wilmington, Delaware 19809                      and Secretary
                                                
LEGAL COUNSEL                                   
                                                Doris J. Pavel
Vedder, Price, Kaufman & Kammholz               Assistant Secretary
222 North LaSalle Street                        
Chicago, Illinois 60601

CUSTODIAN

PNC Bank
17th & Chestnut Streets
Philadelphia, Pennsylvania 19101

INDEPENDENT ACCOUNTANTS

Coopers & Lybrand L.L.P.
2400 Eleven Penn Center
Philadelphia, Pennsylvania 19103 


<PAGE>   37



















                                    [LOGO]
                         ASSET MANAGEMENT FUND, INC.
          111 East Wacker Drive, Chicago, IL  60601 - 1-800-527-3713
<PAGE>   38
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------




                      STATEMENT OF ADDITIONAL INFORMATION


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


                   ADJUSTABLE RATE MORTGAGE (ARM) PORTFOLIO,
                   INTERMEDIATE MORTGAGE SECURITIES PORTFOLIO
                                      and
                 U.S. GOVERNMENT MORTGAGE SECURITIES PORTFOLIO
                          ASSET MANAGEMENT FUND, INC.
                 111 East Wacker Drive, Chicago, Illinois 60601



     The Adjustable Rate Mortgage (ARM) Portfolio (the "ARM Portfolio"), the
Intermediate Mortgage Securities Portfolio (the "Intermediate Mortgage
Portfolio") and the U.S. Government Mortgage Securities Portfolio (the "U.S.
Government Mortgage Portfolio") (each, a "Portfolio" and collectively, the
"Portfolios") are each a portfolio of Asset Management Fund, Inc. (the "Fund"),
a professionally managed, diversified, open-end investment company.  Each
Portfolio is represented by a class of shares separate from those of the Fund's
other portfolios.

     This Statement of Additional Information is not a prospectus and should be
read in conjunction with the Fund's Prospectus, dated March 1, 1998 (the
"Prospectus"), a copy of which may be obtained from the Fund at the address
noted above.




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





              The date of this Statement of Additional Information
                               is March 1, 1998.




<PAGE>   39


     Capitalized terms not defined in this Statement of Additional Information
and defined in the Prospectus shall have the meanings defined in the
Prospectus.

                      THE FUND'S OBJECTIVE, THE PORTFOLIOS
                         AND THEIR MANAGEMENT POLICIES

Mortgage-Related Securities

     Most Mortgage-Related Securities provide a monthly payment that consists
of both interest and principal payments.  In effect, these payments are a
"pass-through" of the monthly payments made by individual borrowers on their
residential mortgage loans, net of any fees paid to the issuer or guarantor of
such securities.  Additional payments are caused by unscheduled payments
resulting from the sale of the underlying residential property, refinancing or
foreclosure net of fees or costs which may be incurred.  Some Mortgage-Related
Securities have additional features that entitle the holder to receive all
interest and principal payments owed on the mortgage pool, net of certain fees,
regardless of whether or not the mortgagor actually makes the payment.  Any
guarantees of interest and principal payments may be either as to timely or
ultimate payment.

     The average maturity of pass-through pools varies with the maturities of
the underlying mortgage instruments.  In addition, a pool's average maturity
may be shortened by unscheduled or early payments of principal and interest on
the underlying mortgages.  Factors affecting mortgage prepayments include the
level of interest rates, general economic and social conditions, and the
location and age of the mortgage.  Since prepayment rates of individual pools
vary widely, it is not possible to predict accurately the average life of a
particular pool or group of pools.  However, the average life will be
substantially less than the stated maturity.

     The Prospectus indicates that U.S. Mortgage-Related Securities may be
classified into two principal categories, based on whether the issuer or        
guarantor of the security or the underlying collateral is a governmental
entity, such as GNMA, or a government-related entity, such as FNMA and FHLMC
which are U.S. Government sponsored corporations. In addition, Private Mortgage
Related-Securities represent interests in, or are collateralized by, pools
consisting principally of residential mortgage loans created by
non-governmental issuers.  The following information supplements that in each
Prospectus concerning certain of these issuers:

     FNMA is subject to general regulation by the Secretary of Housing and
Urban Development.  Its common stock is publicly traded on the New York Stock
Exchange.  FNMA purchases residential mortgages from a list of approved seller
services, which include Federal and state savings associations, savings banks,
commercial banks, credit unions and mortgage bankers.

     FHLMC was created by Congress in 1970 for the purpose of increasing the
availability of mortgage credit for residential housing.  Its common and
preferred stock is publicly traded 




                                      2


<PAGE>   40

on the New York Stock Exchange.  FHLMC issues Participation Certificates
("PC's") which represent interests in mortgages from FHLMC's national
portfolio.


     With respect to Private Mortgage-Related Securities, timely payment of
interest and principal may be supported by various forms of credit
enhancements, including individual loan, title, pool and hazard insurance.
These credit enhancements may offer two types of protection: (i) liquidity
protection, and (ii) protection against losses resulting from ultimate default
by an obligor and the underlying assets.  Liquidity protection refers to the
provision of advances, generally by the entity administering the pool of
assets, to ensure that the receipt of payments on the underlying pool occurs in
a timely fashion.  Protection against losses resulting from ultimate default
ensures ultimate payment of the obligations on at least a portion of the assets
in the pool.  Such protection may be provided through guarantees, insurance
policies or letters of credit obtained by the issuer or sponsor from third
parties or through various means of structuring the transaction as well as a
combination of such approaches.  The Portfolios will not pay any additional
fees for such credit support, although the existence of credit support may
increase the price of a security.

     Credit enhancements can come from external providers such as banks or
financial insurance companies.  Alternatively, they may come from the structure
of a transaction itself.  Examples of credit support arising out of the
structure of the transaction include "senior-subordinated securities" (multiple
class securities with one or more classes subordinate to other classes as to
the payment of principal thereof and interest thereon, with the result that
defaults on the underlying assets are borne first by the holders of the
subordinated class), creation of "reserve funds" (where cash or investments,
sometimes funded from a portion of the payments on the underlying assets, are
held in reserve against future losses) and "overcollateralization" (where the
scheduled payments on, or the principal amount of, the underlying assets
exceeds that required to make payment of the securities and pay any servicing
or other fees).  The degree of credit support provided for each issue is
generally based on historical information respecting the level of credit risk
associated with the underlying assets.  Delinquencies or losses in excess of
those anticipated could adversely affect the return on an investment in such
issue.  There can be no assurance that the private insurers can meet their
obligations under the policies.

   
     Each Portfolio may only invest in Private Mortgage-Related Securities to
the extent it observes the investment restrictions and limitations required for
such investments to be Eligible Investments for Federal savings associations
under the Home Owners' Loan Act of 1933, as amended, and the OTS Regulations
thereunder.  Eligible Investments include "mortgage-related securities" as that
term is defined in Section 3(a)(41) of the Securities Exchange Act of 1934,
subject to any OTS Regulations, and securities offered and sold pursuant to
Section 4(5) of the Securities Act of 1933.  Section 3(a)(41) of the Securities
Exchange Act of 1934, as amended, defines a "mortgage-related security" as one
that is rated in one of the two highest rating categories by at least one
nationally recognized statistical rating organization, and that either (A)
represents ownership of one or more promissory notes or other instruments that
are secured 
    


                                      3



<PAGE>   41

by a first lien on property on which is located a residential or mixed
residential and commercial structure, on a residential manufactured home or one
or more commercial structures, and that were originated by a savings
association, savings bank, commercial bank, credit union, insurance company or
similar institution which is supervised and examined by a Federal or state
authority or by a mortgage lender approved by the Secretary of Housing and
Urban Development, or (B) is secured by one or more promissory notes or other
instruments meeting the requirements set forth above that by its terms provides
for payments of principal in relation to payments or reasonable projections of
payments.  Section 4(5) of the Securities Act of 1933 exempts from registration
thereunder offers or sales of one or more promissory notes or other instruments
that are secured by a first lien on property on which is located a residential
or mixed residential and commercial structure and that were originated by a
savings association, savings bank, commercial bank or similar banking
institution which is supervised or examined by Federal or state authorities, or
mortgage lenders approved by the Department of Housing and Urban Development
that sell to such institutions, provided that they are sold in minimum amounts
of $250,000 and payment is made within 60 days.
        
Adjustable Rate Mortgage Securities

     The interest rates paid on the mortgages underlying the ARMS in which the
Portfolios invest generally are readjusted at intervals of one year or less to
an increment over some predetermined interest rate index.  There are three main
categories of indices:  those based on U.S. Treasury securities and those
derived from a calculated measure such as a cost of funds index or a moving
average of mortgage rates.  Commonly utilized indices include the one-year,
three-year and five-year constant maturity Treasury rates, the three-month
Treasury Bill rate, the 180-day Treasury Bill rate, rates on longer-term
Treasury securities, the 11th District Federal Home Loan Bank Cost of Funds,
the National Median Cost of Funds, the one-month, three-month, six-month or
one-year London Interbank Offered Rate (LIBOR), rates on six month certificates
of deposit, the prime rate of a specific bank, or commercial paper rates.  Some
indices, such as the one-year constant maturity Treasury rate, closely mirror
changes in market interest rate levels.  Others, such as the 11th District Home
Loan Bank Cost of Funds index, tend to lag behind changes in market rate levels
and tend to be somewhat less volatile.

     The underlying mortgages that collateralize the ARMS in which the
Portfolios invest will frequently have caps and floors which limit the maximum
amount by which the loan rate to the residential borrower may change up or down
per reset or adjustment interval and over the life of the loan.  Some
residential mortgage loans restrict periodic adjustments by limiting changes in
the borrower's monthly principal and interest payments rather than limiting
interest rate changes.  These payment caps may result in negative amortization.

Collateralized Mortgage Obligations

     CMOs and REMICs that are Multi-Class Mortgage-Related Securities represent
a beneficial interest in a pool of mortgage loans or mortgage-backed securities
typically held by a trust.  The beneficial interests are evidenced by
certificates issued pursuant to a pooling and 

                                      4



<PAGE>   42



servicing agreement.  The certificates are usually issued in multiple classes
with the specific rights of each class set forth in the pooling and servicing
agreement and the offering documents for the security.  The pooling and
servicing agreement is entered into by a trustee and a party that is
responsible for pooling and conveying the mortgage assets to the trust,
sometimes referred to as the depositor.  Various administrative services
related to the underlying mortgage loans, such as collection and remittance of
principal and interest payments, administration of mortgage escrow accounts and
collection of insurance claims are provided by services.  A master servicer,
which may be the depositor or an affiliate of the depositor, is generally
responsible for supervising and enforcing the performance by the services of
their duties and maintaining the insurance coverages required by the terms of
the certificates.  In some cases, the master servicer acts as a servicer of all
or a portion of the mortgage loans.
        





Other Eligible Investments


     The following information supplements the discussion in each Prospectus
concerning other Eligible Investments:

                                      5

<PAGE>   43
 U.S. Government or Agency Securities.  Each Portfolio may invest in obligations
issued or guaranteed by the United States or certain agencies or
instrumentalities thereof or a U.S. Government-sponsored corporation. These
include obligations issued by the United States or by a Federal Home Loan Bank,
Freddie Mac, Fannie Mae, the Government National Mortgage Association, the
Student Loan Marketing Association and the Federal Farm Credit Banks.  Since
many of these U.S. Government securities are not backed by the "full faith and
credit" of the United States, the Portfolio must look principally to the agency
or instrumentality or corporation issuing or guaranteeing such obligation for
ultimate repayment and may not be able to assert a claim against the United
States itself in the event the agency or instrumentality or corporation does not
meet its commitment.

Certificates of Deposit.  Each Portfolio may invest in certificates of
deposit issued by, and other time deposits in foreign branches of, FDIC insured
banks.  Investment in such deposits involves somewhat different investment
risks from those affecting deposits in United States branches of, such banks.
These risks, which might adversely affect the payment of principal and interest
on such deposits, include future political and economic developments, the
possibility that a foreign jurisdiction might impose withholding taxes on
interest income payable on such deposits, the possible seizure or
nationalization of foreign deposits, or the possible adoption of foreign
governmental restrictions, such as exchange controls.


     Repurchase Agreements.  Each Portfolio may enter into repurchase
agreements, under which it may acquire an Eligible Investment for a relatively
short period (usually not more than 30 days) subject to an obligation of the
seller to repurchase and the Portfolio to resell the instrument at a fixed
price and time, thereby determining the yield during the Portfolio's holding
period.  If the seller defaults in its obligation to repurchase from the
Portfolio the underlying instrument, which in effect constitutes collateral for
the seller's obligation, at the price and time fixed in the repurchase
agreement, the Portfolio might incur a loss if the value of the collateral
declines and might incur disposition costs in connection with liquidating the
collateral.  In addition, if bankruptcy proceedings are commenced with respect
to the seller, realization upon the collateral by the Portfolio may be delayed
or limited.  Each Portfolio will always receive as collateral instruments whose
market value, including accrued interest, will be at least equal to 100% of the
dollar amount invested by the Portfolio in each agreement, and each Portfolio
will make payment for such instruments only upon their physical delivery to, or
evidence of their book entry transfer to the account of, the Portfolio's
custodian.  Each Portfolio will not enter into any repurchase agreements
maturing in more than 60 days.  Each Portfolio enters into repurchase
agreements with primary government securities dealers.

     FDIC Insured Institutions.  Although each Portfolio's investment in
savings accounts and in certificates of deposit and other time deposits in an
FDIC Insured Institution is insured to the extent of $100,000 by the Federal
Deposit Insurance Corporation, the Portfolio may invest more than $100,000 with
a single Institution, and any such excess and any interest on the investment
would not be so insured.  In addition, 




                                      6

<PAGE>   44





deposits in foreign branches of FDIC insured banks, are not insured by the
Federal Deposit Insurance Corporation.
        
Each Portfolio will invest in Eligible Investments issued by an FDIC Insured
Institution only if such Institution or a security issued by such institution
(i) has a short-term debt obligation rating in the highest category by one
nationally recognized statistical rating organization, or (ii) if no such
ratings are available, has comparable quality in the opinion of the Portfolio's
investment adviser under the general supervision of the Board of Directors of
the Fund.

     When-Issued and Delayed Delivery Securities.  Securities purchased on a
when-issued or delayed delivery basis are subject to market fluctuation, and no
interest accrues to the Portfolios until delivery and payment take place.  At
the time each Portfolio makes the commitment to purchase securities on a
when-issued or delayed delivery basis, it will record the transaction and
thereafter reflect the value each day of such securities in determining its net
asset value.  To facilitate acquisitions of securities purchased on a
when-issued or delayed delivery basis, each Portfolio will maintain with its
custodian a separate account with marketable portfolio securities in an amount
at least equal to such commitments.  On delivery dates for such transactions,
the Portfolio will meet its obligations from maturities or sales of the
securities held in the separate account and/or from available cash.

     Other Current Policies.  Under current policies of the Board of Directors,
the Fund has adopted certain voluntary restrictions with respect to the
Portfolios' Eligible Investments.  These restrictions apply to all three
Portfolios unless specified below:

     (1) prohibit the purchase of obligations of Federal Land Banks, Federal
Intermediate Credit Banks, the Export-Import Bank of the United States, the
Commodity Credit Corporation, the National Credit Union Administration and the
Tennessee Valley Authority;

     (2) limit the use of repurchase agreements to repurchase agreements
involving obligations of the U.S. Government, including zero coupon Treasury
securities that have been stripped of either principal or interest by the U.S.
Government so long as the maturity of these securities does not exceed ten
years, and obligations of the Federal Home Loan Banks, Fannie Mae, the 
Government National Mortgage Association, the Federal Farm Credit Banks, the 
Federal Financing Bank, the Student Loan Marketing Association and  
Freddie Mac;

     (3) for the Adjustable Rate Mortgage (ARM) Portfolio and Intermediate
Mortgage Securities Portfolio, limit the maturities of bankers' acceptances to
six months and prohibit investments in bankers' acceptances of Edge Act
corporations guaranteed by their FDIC-insured parent banks until such time as
the appropriateness of these investments for federal credit unions is
clarified;



                                      7



<PAGE>   45

     (4) for the ARM Portfolio, to prohibit investments in interest rate caps
and floors until such time as the appropriateness of these investments for
federal credit unions is clarified;

     (5) for the U.S. Government Mortgage Securities Portfolio, to prohibit
investments in reverse repurchase agreements, interest rate futures contracts,
options and options on interest rate futures contracts, in each case until such
time as federal credit unions may invest in them without limitation; and

     (6) for the U.S. Government Mortgage Securities Portfolio, prohibit loans
of federal funds.

     Although these restrictions are not fundamental policies of the Fund and
may be changed without stockholder vote, the Fund will not alter these
restrictions without notice to stockholders.

                       PURCHASE AND REDEMPTION OF SHARES

     The Fund believes that shares of each Portfolio qualify as investments not
subject to percentage of assets limitations under Section 5(c)(1)(Q) of the
Home Owners' Loan Act of 1933, as amended, and the OTS Regulations thereunder
governing investments by federal savings associations, as defined in such
Act, which includes federal savings banks chartered under such Act.  In
addition, shares of each Portfolio are eligible for purchase by national banks
and federal credit unions without limitation under applicable federal law.

     The Fund reserves the right to suspend the right of redemption and to
postpone the date of payment upon redemption (1) for any period during which
the New York Stock Exchange (the "Exchange") is closed, other than customary
weekend and holiday closings, or during which trading on the Exchange is
restricted, (2) for any period during which an emergency, as defined by the
rules of the Securities and Exchange Commission, exists as a result of which
(i) disposal by the Fund of securities held by each Portfolio is not reasonably
practicable, or (ii) is not reasonably practicable for the Fund to determine
the value of the Portfolio's net assets, or (3) for such other periods as the
Securities and Exchange Commission, or any successor governmental authority,
may by order permit for the protection of stockholders of each Portfolio.


                        DIVIDENDS, DISTRIBUTIONS, YIELD
                          AND TOTAL RETURN QUOTATIONS

     Dividends on shares of each Portfolio are paid monthly on the first
Business Day of each month.

     Net investment income of each Portfolio for dividend purposes (from the
time of the immediately preceding determination thereof) will consist of (i)
interest accrued and discount earned (including both original issue and market
discount) less amortization of any premium, (ii) less accrued expenses
attributable to the Portfolio and the general expenses of the Fund 


                                      8


<PAGE>   46
prorated on the basis of relative net asset value of the Portfolio in relation
to the net asset value of the Fund's other portfolios applicable to that
period.
        
     For the 30-day period ended October 31, 1997, the ARM Portfolio's
annualized yield was 5.55%.  The average annual total rates of return for the
one-year and five-year periods ended October 31, 1997 and for the period from
September 18, 1991, the date the shares were first publicly offered, were 6.65%,
5.53% and 5.49%, respectively.  Without fee waivers, the 30-day annualized
yield would have been 5.26% and the average annual total rates of return for
the one-year and five-year periods and the period since the initial public
offering date would have been 6.35%, 5.23% and 5.04%, respectively.

   
     For the 30-day period ended October 31, 1997, the Intermediate Mortgage
Portfolio's annualized yield was 6.36%.  The average annual total rates of
return for the one-year, five-year and ten-year periods ended October
31, 1997, were 7.90%, 6.02% and 8.42%, respectively.  Without fee waivers, the
30-day annualized yield would have been 6.25% and the average annual total
rates of return for the one-year, five-year and ten-year periods would have
been 7.80%, 5.85% and 8.30%, respectively.  The total  return figures for the
ten-year period reflects the performance  of the Portfolio as the Corporate
Bond Portfolio, which was invested primarily  in investment grade corporate
bonds prior to June 2, 1992. 
    

     For the 30-day period ended October 31, 1997, the U. S. Government
Mortgage Portfolio's annualized yield was 6.69%.  The average annual total
rates of return for the one-year, five-year and ten-year periods ended October
31, 1997, were 8.87%, 6.46% and 8.69%, respectively.

     For each Portfolio, the annualized yield shown above was computed by
dividing the aggregate net income per share for dividend purposes for the
30-day period by the Portfolio's net asset value on October 31, 1997.  The
30-day yield was then annualized on a bond-equivalent basis assuming
semi-annual reinvestment and compounding of net income per share for dividend
purposes.

     For each Portfolio, the total return for each period shown above was
computed by assuming a hypothetical initial investment of $1,000 on the first
day of such period.  It was then assumed that all dividends and distributions
over the period were reinvested and that, at the end of such period, the entire
amount was redeemed.  The average annual total rate of return was then
determined by calculating the annual rate required for the initial payment to
grow to the amount which would have been received upon redemption (i.e., the
average annual compound rate of return).


                                      9



<PAGE>   47



     From time to time, each Portfolio may quote a "dividend distribution rate"
in sales literature.  The "dividend distribution rate" represents the
aggregation of actual distributions made, representing dividends, realized
short-term capital gains and certain realized long-term capital gains.  It does
not reflect unrealized gains or losses.  The "dividend distribution rate"
differs from yield in that certain non-recurring components may be included.
Any quoted "dividend distribution rate," therefore, should be considered along
with, and not as a substitute for, the yield and total rate of return of the
Portfolio.

     From time to time each Portfolio's performance may be compared with
various indices and investments, other performance measures or rankings, or
other mutual funds, or indices or averages of other mutual funds. 
        


                                     10


<PAGE>   48


                             MANAGEMENT OF THE FUND

Directors and Officers

     Directors and Officers of the Fund, together with information as to their
principal business occupations during the past five years, are shown below.
Each director who is an "interested person" of the Fund, as defined in the
Investment Company Act of 1940, as amended (the "1940 Act"), is indicated by an
asterisk.



Name and Address                        Position with Fund
                                                          
RICHARD M. AMIS (Age 46)                                 Director
630 Clarksville Street
Paris, TX  75460

Principal Occupations During Past Five Years and Prior Relevant Experience

President, First Federal Savings & Loan Association since 1984; Chairman, Texas
Savings and Community Bankers Association since June 1997; Director, First
Financial Trust Company.

ARTHUR G. DE RUSSO (Age 77)             Director          
5397 S.E. Major Way
Stuart, FL  34997

Principal Occupations During Past Five Years and Prior Relevant Experience:

Chief Executive Officer, Eastern Financial Federal Credit Union from 1974 to
1992; Chairman and Director, First Credit Union Trust Co., Inc. from 1988 to
1992; President of the Airline Credit Union Conference in 1991; Director, Honor
ATM Network, Florida from 1985 to 1990.




DAVID F. HOLLAND (Age 56)              Director
17 New England Executive Park
Burlington, MA  01803

Principal Occupations During Past Five Years and Prior Relevant Experience:

   
Chairman of the Board since 1989 and since 1986 Chief Executive Officer of
Boston Federal Savings Bank; Director of Fund from 1988 to 1989 and since 1993;
Director of Federal Home Loan Bank of Boston; until December 1997 Chairman of
America's Community Banking Partners, Inc. and Director of ACB Investment
Services, Inc.; Director of M.S.G. Fund, Inc. since 1997; Director and Chairman
since December 1995 of Center for Financial Studies; Director of NYCE
Corporation since 1995; Director from 1990 to 1995 and Chairman 1993-1994 of
American Community Bankers; member from 1995 to 1997 and President 1997 of
Thrift Institutions Advisory Council.
    

                                     11



<PAGE>   49
   
    

GERALD J. LEVY (Age 66) Vice Chairman of the Board and Director
4000 W. Brown Deer Road
Milwaukee, WI  53209

Principal Occupations During Past Five Years and Prior Relevant Experience:

Chairman and Chief Executive Officer, Guaranty Bank, S.S.B. since 1984 (from
1959 to 1984, he held a series of officer's positions, including President).
Chairman, 1986, United States League of Savings Institutions; Director of
FIserv, Inc. since 1986; Director since 1995 of the Republic Mortgage Insurance
Company; Director of the Federal Asset Disposition Association from 1986 to
1989; and, previously Director and Vice Chairman, Federal Home Loan Bank of
Chicago and member of Advisory Committee of the Federal Home Loan Mortgage
Corporation and Federal National Mortgage Corporation.


RODGER D. SHAY* (Age 61) Chairman of the Board, Director and President
888 Brickell Avenue
Miami, FL  33131

Principal Occupations During Past Five Years and Prior Relevant Experience:

   
Chairman and Director of Shay Assets Management, Inc. since August, 1997 
(previously President and Director from 1990 to August, 1997). Chairman and 
Director of Shay Financial Services, Inc. since August, 1997 (previously 
President and Director from 1990 to August, 1997). President,  Chief Executive 
Officer and member of the Managing Board of Shay Assets  Management Co. from
1990 to December, 1997.  President, Chief Executive Officer and member of the
Managing Board of Shay Financial Services Co. from 1990 to  December, 1997.
Director from 1986 to 1991 and President from 1986 to 1992,  U.S. League
Securities, Inc.; 
    


                                     12

<PAGE>   50
Vice President since 1995 of Institutional Investors Capital
Appreciation Fund, Inc. and M.S.B. Fund, Inc.  Director, First Home Savings 
Bank, S.L.A. since 1990; previously Director, Asset Management Fund,
Inc., from 1985 to 1990; President of Bolton Shay and Company and Director and
officer of its affiliates from 1981 to 1985.  Previously, employed by certain
subsidiaries of Merrill Lynch & Co. from 1955 to 1981, where he served in
various executive positions including Chairman of the Board of Merrill Lynch
Government Securities, Inc., Chairman of the Board of Merrill Lynch Money
Market Securities, Inc. and Managing Director of the Debt Trading Division of
Merrill Lynch, Pierce, Fenner & Smith Inc. 


EDWARD E. SAMMONS, JR. (Age 58)             Vice President, Treasurer
111 East Wacker Drive                       and Secretary
Chicago, IL  60601

Principal Occupations During Past Five Years and Prior Relevant Experience:

President of Shay Assets Management, Inc. since August, 1997 (previously
Executive Vice President from 1990 to August, 1997). Executive Vice President
and member of the Managing Board of Shay Assets Management Co. from 1990 to
December, 1997. Executive Vice President and member of the  Managing Board of
Shay Financial Services Co. from 1990 to December, 1997 and Executive Vice
President of the managing partner of the Shay Financial Services, Inc., from
1990 to December, 1997.  Vice President and Secretary since 1995 of
Institutional Investors Capital Appreciation Fund, Inc. and M.S.B. Fund, Inc. 



DORIS J. PAVEL (Age 43)                     Assistant Secretary
111 East Wacker Drive
Chicago, IL  60601

Principal Occupations During Past Five Years and Prior Relevant Experience:

   
Assistant Secretary, Asset Management Fund, Inc. since 1993.  Administrative
Manager, Shay Investment Services, Inc. since December, 1997.  Administrative
Manager, ACB Investment Services Co., 1993 to December, 1997 and previously 
administrative assistant for several affiliated firms since 1987.
    



                                     13
<PAGE>   51
     Officers or interested directors of the Fund also may hold positions as
directors or officers of other affiliated entities of the Adviser, Distributor
or America's Community Bankers.

     The Fund will pay $7,500 per annum in compensation to directors who are
not officers or employees of the Distributor or the Adviser.  In addition, each
director who is not such an officer or employee will receive $1,500 for each    
meeting of the Board of Directors and $1,000 for each meeting of any committee
thereof attended and will be reimbursed for out-of-pocket expenses incurred in
attending such meetings.  Directors who are officers or employees of the
Distributor or the Adviser receive no compensation for their services as
directors of the Fund.

     The following table sets forth the compensation earned by directors from
the Fund for the fiscal year ended October 31, 1997:

<TABLE>
<CAPTION>
                                                     PENSION OR
                                                 RETIREMENT BENEFITS     ESTIMATED
                                    AGGREGATE     ACCRUED AS PART OF       ANNUAL
                                  COMPENSATION          FUND              BENEFITS           TOTAL
            DIRECTOR              FROM THE FUND        EXPENSES        UPON RETIREMENT    COMPENSATION
- --------------------------------  -------------  --------------------  ---------------  ------------------
<S>                                    <C>              <C>                 <C>                  <C>
Richard M. Amis.................        $10,125           0                   0                    $10,125
Arthur G. DeRusso...............         15,500           0                   0                     15,500
David F. Holland................         14,500           0                   0                     14,500
Leon T. Kendall(1)..............         15,500           0                   0                     15,500
Gerald J. Levy .................         15,500           0                   0                     15,500
</TABLE>

(1) Retired December 6, 1997

   
     The following table provides certain information at November 30, 1997 with
respect to persons known to the Fund to be beneficial (and record) owners
(having sole voting and dispositive power) of 5% or more of the shares of
common stock of the Adjustable Rate Mortgage (ARM) Portfolio, the Intermediate 
Mortgage Portfolio and the U.S. Government Mortgage Portfolio:
    


                                                              Percent of
Name and                                                      Portfolio's
Address of                                                    Outstanding
Beneficial Owner                    Number of Shares          Common Stock
- ----------------                    ----------------          ------------
Adjustable Rate 
 Mortgage (ARM) Portfolio:              

First Federal Savings and Loan          4,559,647                 5.65%
1007 Main Street 
Manchester, CT  06040

Intermediate Mortgage Portfolio:



                                     14
<PAGE>   52
First Federal Savings & Loan                    936,722         11.39% 
25 West Church Street
Martinsville, VA 24112

First Financial Investments                     541,817          6.59%
3800 Howard Hughes Parkway
Suite 1560
Las Vegas, NV  89109

Fox Valley Savings & Loan Association           594,151          7.22%
51 E. First Street
Fond Du Lac, WI  54935

Fullerton Savings & Loan                      
     Association                              1,415,258         17.20%
200 West Commonwealth Avenue
Fullerton, CA  92632

Main Line Federal Savings Bank                1,375,999         16.73%
Two Aldwyn Center 
Lancaster Avenue and Route 320
Villanova, PA  19085


U.S. Government Mortgage Portfolio:


Crown Bank F.S.B.                               297,630          5.91%
105 Live Oaks Garden
Casselberry, FL  32707

First Federal Bank, F.S.B.                      999,570         19.86%
109 East Depot Street
Colchester, IL  62326


                                      

                                      15



<PAGE>   53
First Federal Savings Bank                      935,162         18.58%
46 West Brundage Street
Sheridan, WY  82801

St. Casimirs Savings Bank                       524,558         10.42%
2703 Foster Avenue
Baltimore, MD  21224

Thomas County Federal Savings                   283,218          5.63%
131 S. Dawson St.                 
Thomasville, GA  31792

Tri-County Federal Savings                      
     Bank                                       618,511         12.29%
2201 Main Street
Torrington, WY  82240

     As of November 30, 1997, none of the Directors had, through the financial
institution for which they serve as officers, voting and investment power over
any shares of the ARM Portfolio, the Intermediate Mortgage Portfolio or the
U.S. Government Mortgage Portfolio.

                      INVESTMENT ADVISER AND ADMINISTRATOR

     The investment adviser of the Fund since December 8, 1997 is Shay Assets 
Management, Inc. (the "Adviser"), a Florida corporation.  The Adviser, with 
its principal office at 111 East Wacker Drive, Chicago, Illinois 60601, is 
registered as an investment adviser under the Investment Advisers Act of 1940, 
as amended.  For additional details concerning the Adviser see the Fund's
prospectus under the heading "Investment Adviser".

     The Investment Advisory Agreement between the Fund and the
Adviser (the "Advisory Agreement"), will remain in effect as to each Portfolio
until March 1, 1999, and shall continue from year to year thereafter, subject
to termination by the Fund or the Adviser as hereinafter provided, if such
continuance is approved at least annually by a majority of the outstanding
shares (as defined under "General Information" in this Statement of Additional
Information) of each Portfolio or by the Fund's Board of Directors.  The
Advisory Agreement must also be approved annually by the vote of a majority of
the directors of the Fund who are not parties to the Agreement or "interested
persons" of any party thereto.  All directors' votes must be cast in person at
a meeting called for the purpose of voting on such approval.


                                      16
<PAGE>   54

     As compensation for the services rendered by the Adviser under the
Advisory Agreement, the Fund pays the Adviser a fee, payable monthly, with
respect to the ARM Portfolio based on an annual percentage of the average daily
net assets of the Portfolio as follows:  0.45% on the first $3 billion; 0.35%
of the next $2 billion and 0.25% in excess of $5 billion.  The Adviser may
voluntarily elect to waive its advisory fees in an amount up to but not to
exceed 0.45% of the average daily net assets of the Portfolio.  This voluntary
waiver agreement may be terminated at any time by the Adviser.  For the Fund's
fiscal years ended October 31, 1997, 1996 and 1995, the Fund paid Shay Assets
Management Co., the predecessor adviser to the Fund ("SAMC") fees with respect 
to the ARM Portfolio of $1,800,992 (net of fee waivers of $1,440,794), 
$2,290,307 (net of fee waivers of $1,832,247), and $2,168,262 (net of fee 
waivers of $1,734,611), respectively.

     As compensation for the services rendered by the Adviser under the
Advisory Agreement, the Fund pays the Adviser a fee, payable monthly, with
respect to the Intermediate Mortgage Portfolio, at the rate of 0.35% per annum
of the average daily net assets of the Portfolio up to and including $500
million; plus 0.275% per annum of the next $500 million of such net assets;
plus 0.20% per annum of the next $500 million of such net assets; plus 0.10%
per annum of such net assets over $1.5 billion.  The Adviser may voluntarily
elect to waive its fees in an amount up to but not to exceed 0.35% of the
average daily net assets of the Portfolio but may terminate the voluntary
waiver at any time.  For the Fund's fiscal years ended October 31, 1997, 1996
and 1995, the Fund paid SAMC fees for the Intermediate Mortgage Portfolio of
$212,156 (net of fee waivers of $84,863), $359,317 (net of fee waivers of
$239,669), and $288,477 (net of fee waivers of $384,634), respectively.
        
     As compensation for the services rendered by the Adviser under the
Advisory Agreement, the Fund pays the Adviser a fee, payable monthly, with
respect to the U. S. Government Mortgage Portfolio, at the rate of 0.25% per
annum of the average daily net assets of the Portfolio up to and including $500
million; plus 0.175% per annum of the next $500 million of such net assets;
plus 0.125% per annum of the next $500 million of such net assets; plus 0.10%
per annum of such net assets over $1.5 billion.  For the Fund's fiscal years
ended October 31, 1997, 1996 and 1995, the Fund paid the Adviser fees of
$137,123, $146,347, and $151,437, respectively, for the U.S. Government 
Mortgage Portfolio.

     The Advisory Agreement provides that the Adviser shall not be liable for
any error of judgment or mistake of law or for any loss suffered by any
portfolio of the Fund in connection with the matters to which the Advisory
Agreement relates, except a loss resulting from a breach of fiduciary duty with
respect to the receipt of compensation for services (in which case any award of
damages shall be limited to the period and the amount set forth in Section
36(b)(3) of the 1940 Act) or a loss resulting from willful misfeasance, bad
faith or gross negligence on its part in the performance of its duties or from
reckless disregard by it of its obligations and duties under the Advisory
Agreement.


                                     17

<PAGE>   55

     The Advisory Agreement will terminate automatically upon its assignment
and is terminable with respect to each Portfolio at any time without penalty by
the Board of Directors of the Fund or by a vote of a majority of the
outstanding shares (as defined under "General Information" in this Statement of
Additional Information) of the Portfolio on 60 days' written notice to the
Adviser, or by the Adviser on 90 days' written notice to the Fund.

     The Portfolio Managers of the Adviser responsible for making investment
decisions concerning the Fund's investments are Edward E. Sammons, Jr., Rodger
D. Shay, Richard Blackburn, Rodger D. Shay, Jr., and Gregory J. Wisniewski.
For information as to the principal occupations during the past five years of
Messrs. Sammons and Shay, who are also officers of the Fund, see "Management of
the Fund" in this Statement of Additional Information.  The principal business
occupations during the past five years and professional backgrounds of the
Portfolio Managers who are not also officers of the Fund are shown below
following each of their names and business addresses.





                                     18
<PAGE>   56



RICHARD BLACKBURN
111 East Wacker Drive
Chicago, IL  60601

Portfolio Manager of the Adviser and SAMC, the Fund's former adviser, since
1991.  With approximately twenty-five years of experience in the securities
industry, his previous employers also include Harris Trust & Savings Bank,
Merrill Lynch, Pierce, Fenner & Smith Inc. and the First National Bank of
Chicago.  Mr. Blackburn's primary expertise is in the mortgage securities
markets, particularly in the area of floating and/or adjustable rate securities.

RODGER D. SHAY, JR.
888 Brickell Avenue           
Miami, FL  33131

Portfolio Manager of the Adviser and SAMC, the Fund's former adviser,
since 1991. President of Shay Financial Services, Inc., since August, 1997,
previously Senior Vice President from 1994 to August, 1997, and Vice President
from 1991 to 1993.  He was previously  employed by Merrill Lynch, Pierce,
Fenner and Smith Inc., where he served as a senior trader and manager of
collateralized mortgage obligation trading. Mr. Shay's primary expertise is in
the mortgage securities market, particularly in the area of collateralized
mortgage obligations.

GREGORY J. WISNIEWSKI
111 East Wacker Drive
Chicago, IL  60601

Portfolio Manager of the Adviser and SAMC, the Fund's former adviser, since 
1994.  From 1990 to 1994, Vice President of Shay Financial Services, Inc. 
and of an affiliate, Shay Government Securities Inc., and from 1985 to 1990, an
account executive of predecessors of these firms.  His previous employers also
include The Chicago Corporation, where he served as an account executive  and
financial futures trader, and Harris Trust and Savings Bank, where he served
variously as a manager of the portfolios of correspondent banks and as the
manager of the commercial paper portfolio of Harris Bankcorp.  


                                     19
<PAGE>   57


     The Fund's administrative agent (the "Administrator") with respect to each
Portfolio is PFPC Inc. ("PFPC"), a wholly-owned subsidiary of PNC Bank Corp.
Pursuant to the terms of the  Restated Administration Agreement (the
"Administration Agreement") dated as of March 1, 1991, as amended, between the
Fund and the Administrator, the Administrator performs various administrative
services for the Fund, including (i) assisting in supervising all aspects of
the Portfolios' operations other than those assumed by the Adviser, the
Distributor, the Portfolios' custodian or transfer and dividend agent, (ii)
providing each Portfolio with the services of persons competent to perform such
administrative and clerical functions as are necessary in order to provide
effective administration of the Portfolios, (iii) maintenance of each
Portfolio's books and records, (iv) preparation of various filings, reports,
statements and returns filed with governmental authorities or distributed to
stockholders of each Portfolio, (v) computation of each Portfolio's net asset
value for purposes of the sale and redemption of its shares, and (vi)
computation of each Portfolio's daily dividend.  Certain functions relating to
state "blue sky" qualification services in any of the states where the
Portfolios are registered are subject to additional charges by the
Administrator that are not included in the fee rates and minimum annual fee
described below.

     As compensation for the services rendered by the Administrator under the
Administration Agreement, the Fund pays the Administrator a fee, computed daily
and payable monthly, with respect to each Portfolio at the rate of 0.03% per
annum of the Portfolio's net assets up to and including $1 billion; plus 0.02%
per annum of the next $1 billion of net assets; plus 0.01% per annum of each
Portfolio's net assets over $2 billion, with a minimum annual fee of $393,200
for each Portfolio and the Fund's four other portfolios taken together.  If
applicable, the minimum fee is allocated among the Fund's five portfolios based
on relative average net asset values.  For the fiscal years ended October 31, 
1997, 1996 and 1995, the Fund paid the Administrator fees pursuant to the 
Administration Agreement with respect to each Portfolio as follows:  for the 
ARM Portfolio, the fees paid were $269,671, $276,718, and $262,936, 
respectively.  For the Intermediate Mortgage Portfolio, the fees were $31,793, 
$51,659, and $58,231, respectively.  For the U. S. Government Mortgage 
Portfolio, the fees were $21,188, $18,168, and $18,556, respectively.

     The Fund is responsible for the payment of its expenses.  Such expenses
include, without limitation, the fees payable to the Adviser, the Administrator
and the Distributor (see "Distributor" below) with respect to each Portfolio,
the fees and expenses of the Fund's custodian and transfer and dividend agent
with respect to each Portfolio, any brokerage fees and commissions of each
Portfolio, any portfolio losses of each Portfolio, filing fees for the
registration or qualification of each Portfolio's shares under federal or state
securities laws, the Portfolio's pro rata share of taxes, interest, costs of
liability insurance, fidelity bonds or indemnification, any costs, expenses or
losses arising out of any liability of, or claim for damages or other relief
asserted against, the Fund with respect to the Portfolio for violation of any
law, legal and auditing fees and expenses, expenses of preparing and setting in
type prospectuses, proxy material, reports and notices and the printing and
distributing of the same 


                                     20

<PAGE>   58

to the Portfolio's stockholders and regulatory authorities, the Portfolio's pro 
rata share of compensation and expenses of its directors and officers who are
not affiliated with the Adviser, the Administrator, the Distributor or the
transfer and dividend agent, and extraordinary expenses incurred by the Fund
with respect to each Portfolio.
        

                                  DISTRIBUTOR

     Effective December 8, 1997, Shay Financial Services, Inc. (the
"Distributor"), a registered broker-dealer, became the Fund's principal
distributor.  For additional details concerning the Distributor, see the Fund's
prospectus under the heading "Distributor".


     As compensation for distribution services, the Fund pays the Distributor a
fee, payable monthly, with respect to the ARM Portfolio at the rate of 0.25%
per annum of the average daily net assets of the Portfolio.  The Distributor
may voluntarily elect to waive its 12b-1 fees in an amount up to but not to
exceed 0.25% of the average daily net assets of the Portfolio.  This
voluntary waiver agreement may be terminated at any time by the Distributor.
For the fiscal years ended October 31, 1997, 1996 and 1995, the Fund paid Shay
Financial Services Co., the predecessor distributor of the Fund's shares
("SFSC") $1,080,595 (net of fee waivers of $720,397), $1,374,184 (net of 
fee waivers of $916,124), and $1,300,958 (net of fee waivers of $867,305), 
respectively, for the ARM Portfolio.

     As compensation for distribution services, the Fund pays the Distributor a
fee, payable monthly, with respect to each of the Intermediate Mortgage
Portfolio and the U.S. Government Mortgage Portfolio at the rate of 0.15% per   
annum of the average daily net assets of the Portfolio up to and including $500
million; plus 0.125% per annum of the next $500 million of such net assets;
plus 0.10% per annum of the next $500 million of such net assets; plus 0.075%
per annum of such net assets over $1.5 billion.  For the fiscal years ended
October 31, 1997, 1996 and 1995, the Fund paid SFSC fees pursuant to
the Rule 12b-1 Agreement, as in effect, of $127,294, $256,708, and $288,476,
respectively, for the Intermediate Mortgage Portfolio.  For the fiscal years
ended October 31, 1997, 1996 and 1995 the Fund paid the Distributor fees
pursuant to the Rule 12b-1 Agreement, as in effect, of $82,274, $87,808, and 
$90,862, respectively, for the U.S. Government Mortgage Portfolio.



                                     21
<PAGE>   59

     The Distributor is obligated under the Distribution Agreement to bear the
costs and expenses of printing and distributing copies of prospectuses and
annual and interim reports of the Fund (after such items have been prepared and
set in type) that are used in connection with the offering of shares of the
Fund to investors, and the cost and expenses of preparing, printing and
distributing any other literature used by the Distributor in connection with
the offering of the shares of the Portfolio for sale to investors.

     The Fund has been informed by SFSC that during its fiscal year
ended October 31, 1997, of the $1,080,595 fee received by SFSC from
the Fund with respect to the ARM Portfolio, the following expenditures were
made:

<TABLE>
            <S>                                          <C>
            Advertising and promotion .................   $   65,590
            Printing of prospectus for other
            than current stockholders and
            printing of other sales materials .........       46,285
            Postage ...................................        6,161
            Employee compensation and costs ...........    1,545,423
            Staff travel and expense ..................      118,086
            Rent and office expense ...................      179,418
            Professional fees .........................       13,459
                                                          ----------

            Total .....................................   $1,974,422
                                                          ==========
</TABLE>


     The Fund has been informed by SFSC that during its fiscal year
ended October 31, 1997, of the $127,294 fee received by the Distributor from
the Fund with respect to the Intermediate Mortgage Portfolio, the following
expenditures were made:





                                     22



<PAGE>   60



<TABLE>
           <S>                                          <C>  
           Advertising and promotion .................   $  7,622
           Printing of prospectus for other                     
           than current stockholders and                        
           printing of other sales materials .........      5,379
           Postage ...................................        716
           Employee compensation and costs ...........    179,585
           Staff travel and expense ..................     13,722
           Rent and office expense ...................     20,849
           Professional fees .........................      1,563
                                                         --------     

           Total .....................................   $229,436
                                                         ========
</TABLE>



     The Fund has been informed by SFSC that during its fiscal year
ended October 31, 1997, of the $82,274 fee received by SFSC from the
Fund with respect to the U.S. Government Mortgage Portfolio, the following
expenditures were made:


<TABLE>
           <S>                                          <C>  
           Advertising and promotion .................   $  4,875
           Printing of prospectus for other                     
           than current stockholders and                        
           printing of other sales materials .........      3,439
           Postage ...................................        457
           Employee compensation and costs ...........    114,853
           Staff travel and expense ..................      8,776
           Rent and office expense ...................     13,333
           Professional fees .........................      1,002
                                                         -------- 

           Total .....................................   $146,735
                                                         ========
</TABLE>

     Shay Financial Services, Inc., the Fund's Distributor, and its affiliated
persons, including Rodger D. Shay, who is a Director and the Chairman of the
Board and President of the Fund, and Edward E. Sammons Jr., who is a Vice 
President, Secretary and Treasurer of the Fund, have a direct or indirect 
financial interest in the operation of the Fund's Rule 12b-1 Plan and
related Distribution Agreement.  None of the Directors who are
not interested persons of the Fund have any direct or indirect financial
interest in the operation of the Fund's Rule 12b-1 and related Distribution
Agreement Plan.
        
     As discussed in the Fund's prospectus under the heading "Distributor", the
Fund has appointed the Distributor to act as the principal distributor of the
Fund's shares pursuant to a Distribution Agreement dated December 8, 1997
between the Fund and the Distributor (the "Distribution Agreement"). The
Distribution Agreement with the Distributor will continue in effect
until March 1, 1999, and from year to year thereafter, subject to termination
by the Fund or the Distributor as hereinafter provided, if approved at least
annually by the Fund's Board 


                                     23

<PAGE>   61

of Directors and by a majority of the directors who are not "interested
persons" of the Fund and have no direct or indirect financial interest in the
arrangements contemplated by the agreement.  The Fund's Rule 12b-1 Plan requires
the Fund's Board of Directors to make a quarterly review of the amount expended
under the Rule 12b-1 Plan and the purposes for which such expenditures
were made.  The Rule 12b-1 Plan may not be amended to increase materially
the amount paid by the Fund thereunder without stockholder approval.  All
material amendments to the Rule 12b-1 Plan must be approved by the Fund's
Board of Directors and by the "disinterested" directors referred to above.  The
Rule 12b-1 Plan will terminate automatically upon its assignment and is
terminable at any time without penalty by a majority of the Fund's directors
who are "disinterested" as described above or by a vote of a majority of the
outstanding shares (as defined under "General Information" in this Statement of
Additional Information) of each Portfolio on 60 days' written notice to the
Distributor, or by the Distributor on 90 days' written notice to the Fund.
        

                        DETERMINATION OF NET ASSET VALUE

     For purposes of determining the net asset value per share of each
Portfolio, investments for which market quotations are readily available will
be valued at the mean between the most recent bid and asked prices, which may   
be furnished by a pricing service, at prices provided directly by market 
makers, or using matrix pricing methods.  Portfolio securities for which market
quotations are not readily available, and other assets, will be valued at fair
value using methods determined in good faith by the Board of Directors.
Short-term instruments maturing within 60 days of the valuation date may be
valued based upon their amortized cost.  The Board of Directors will review
valuation methods regularly, in order to determine their appropriateness.


                                     TAXES

     Each of the Fund's portfolios, including these Portfolios, is treated as a
separate corporation for Federal income tax purposes, and thus the provisions
of the Internal Revenue Code of 1986, as amended (the "Code"), applicable to
regulated investment companies are applied to each portfolio separately, rather
than to the Fund as a whole.  In addition, net long-term and short-term capital
gains and losses, net investment income, and operating expenses will be
determined separately for each portfolio.

     Each Portfolio intends to meet the requirements for qualifying as a
regulated investment company.  In order to so qualify each Portfolio must,
among other things: (a) diversify its holdings so that, at the end of each
fiscal quarter, (i) at least 50% of the value of its total assets is
represented by cash, Government securities and other securities with such other
securities limited, in respect of any one issuer, to an amount not greater than
5% of the value of the Portfolio's assets or 10% of the outstanding voting
securities of such issuer, and (ii) not more than 25% of the value of its total
assets is invested in the securities of any one issuer (other than 


                                     24

<PAGE>   62

   
Government securities) and (b) derive at least 90% of its gross income from
dividends, interest, proceeds from loans of stock and securities, gains
from the sale or other disposition of stock or securities, and other income
derived with respect to its business of investing in stock or securities.  If a
Portfolio qualifies as a regulated investment company, it will not be subject
to Federal income tax on its income and gains distributed to shareholders,
provided at least 90% of its investment company taxable income earned in the
taxable year (computed without   regard to the deduction for dividends paid) is
so distributed.
    

     Dividends of each Portfolio's net investment income (which generally
includes income other than capital gains, net of operating expenses), and
distributions of net short-term capital gains (i.e., the excess of net
short-term capital gains over net long-term capital losses) are taxable to
stockholders as ordinary income whether reinvested in shares or paid in cash.
Distributions of net long-term capital gains (i.e., the excess of net long-term
capital gains over net short-term capital losses) are taxable to stockholders
as long-term capital gains, regardless of how long shares of the Portfolio have
been held, whether reinvested in shares or paid in cash.  Under the Code, net
long-term capital gains received by corporate stockholders (including long-term
capital gain distributions by each Portfolio) are taxed at the same rates as
ordinary income.  Net long-term capital gains received by individual
stockholders (including long-term capital gain distributions by each Portfolio)
are generally taxed at a maximum rate of 28% (for assets held more than one
year, but less than 18 months) or 20% (for assets held more than 18 months).

     Because none of each Portfolio's income will consist of dividends from
domestic corporations, dividends of net investment income as well as 
distributions of net long-term and short-term capital gains will not qualify 
for the dividends received deduction available to corporate shareholders. 

        Gain or loss realized upon a sale or redemption of shares of each
Portfolio by a stockholder who is not a dealer in securities will be treated as
long-term capital gain or loss if the shares have been held for more than one
year (although such shares must be held for more than 18 months to qualify for
the 20% maximum rate) and otherwise as short-term capital gain or loss.  Any
loss realized by a stockholder upon the sale of shares in each Portfolio held
six months or less will be treated as a long-term capital loss, however, to the
extent of any long-term capital gain distributions received by the stockholder
with respect to such shares.

     Any capital gains distribution received shortly after the purchase of
shares reduces the net asset value of the shares by the amount of the
distribution and, although in effect a return of capital, will be taxable to
the stockholder.  If the net asset value of shares were reduced below the
stockholder's cost by distributions representing gains realized on sales of
securities, such distributions would be a return of investment though taxable
in the same manner as other dividends or distributions.

     Each Portfolio generally will be subject to a 4% nondeductible excise tax
to the extent the Portfolio does not meet certain minimum distribution
requirements by the end of each calendar year.  To avoid the imposition of the
4% excise tax, it may be necessary for a dividend 


                                     25

<PAGE>   63

to be declared in December and actually paid in January of the following year,
which will be treated as having been received by stockholders on December 31 of
the calendar year in which declared.  Under this rule, therefore, a stockholder
may be taxed in one year on dividends or distributions actually received in
January of the following year.
        
     Dividends and distributions may be subject to state and local taxes.

     The foregoing discussion is not intended to be a full discussion of income
tax laws and their effect on shareholders.  Investors should consult their own
tax advisrors as to the tax consequences of ownership of shares.

                             PORTFOLIO TRANSACTIONS

     Purchases and sales of securities for each Portfolio usually are principal
transactions.  Portfolio securities normally are purchased directly from the
issuer or from an underwriter or market maker for the securities.  There
usually, but not always, are no brokerage commissions paid by the Fund for such
purchases, and during the fiscal year ended October 31, 1997, none of the
Portfolios paid any brokerage commissions.  Purchases from dealers serving as
market makers may include the spread between the bid and asked prices.  The
Adviser attempts to obtain the best price and execution for portfolio
transactions.

     Each Portfolio will not purchase securities from, sell securities to, or
enter into repurchase agreements with, the Adviser or any of its affiliates.

     Allocation of transactions, including their frequency, to various dealers
is determined by the Adviser in its best judgment under the general supervision
of the Board of Directors of the Fund and in a manner deemed fair and
reasonable to stockholders.  The primary consideration is prompt execution of
orders in an effective manner at the best price.  On occasion the Adviser on
behalf of each Portfolio may effect securities transactions on an agency basis
with broker-dealers providing research services and/or research-related
products for the Fund.  Research services or research-related products may
include information in the form of written reports, reports accessed by
computers or terminals, statistical collations and appraisals and analysis
relating to companies or industries.  However, in selecting such
broker-dealers, the Adviser adheres to the primary consideration of best price
and execution.

     Investment decisions for each portfolio of the Fund are made separately
from those for the other portfolios or other clients advised by the Adviser.
It may happen, on occasion, that the same security is held in one portfolio of
the Fund and the other portfolios of one or more of such other clients.
Simultaneous transactions are likely when several portfolios and clients are
advised by the same investment adviser, particularly when a security is
suitable for the investment objectives of more than one of such portfolios or
clients.  When two or more portfolios or other clients advised by the Adviser
are simultaneously engaged in the purchase or sale of the same security, the
transactions are allocated to the respective portfolios or clients, both as to
amount and price, in accordance with a method deemed equitable to each
portfolio or client.  In some cases this system may adversely affect the price
paid or received by a portfolio of the Fund or the size of the security
position obtainable for such portfolio.


                                     26
<PAGE>   64



                            INVESTMENT RESTRICTIONS

     The Fund has adopted the following investment restrictions for the ARM
Portfolio, none of which may be changed without the approval of a majority of
the outstanding shares of the Portfolio, as defined under "General Information"
in this Statement of Additional Information.  Accordingly, the ARM Portfolio
may not:

     (1) Purchase securities other than Eligible Investments.  In the event
that the OTS Regulations (as defined in the Prospectus) applicable to Federal
savings associations are amended to remove assets from the list of assets which
qualify as Eligible Investments, the Fund will dispose of any nonqualifying
assets held by the Portfolio in such time and manner as may be permitted by
relevant OTS Regulations or, if none, in such time and manner as the Fund's
Board of Directors may determine.  Conversely, if the list of qualifying assets
is expanded, such additional qualifying assets will also constitute Eligible
Investments and the Portfolio will be free to make investments therein, to the
extent consistent with the Fund's investment objective and the Portfolio's
management policies.

     (2) Invest more than 5% of its total assets in the securities of any one
issuer, other than securities issued or guaranteed by the United States
Government or its agencies or Instrumentalities, except that up to 25% of the
value of the Portfolio's total assets may be invested without regard to this 5%
limitation.

     (3) Enter into repurchase agreements or purchase any other investments for
which market quotations are not readily available, in each case maturing in
more than 7 days, or Interest Rate Caps and Floors if, as a result, more than
10% of the value of the Portfolio's total assets would be invested in such
repurchase agreements and such other illiquid investments.

     (4) Borrow money except from banks (a) for temporary or emergency purposes
and in an amount not exceeding 10% of the value of the Portfolio's net assets,
or (b) to meet redemption requests without immediately selling any portfolio
securities and in an amount not exceeding in the aggregate one-third of the
value of the Portfolio's total assets, less liabilities other than borrowing;
or mortgage, pledge or hypothecate its assets except in connection with any
such borrowing and in amounts not in excess of 20% of the value of its net
assets.  The borrowing provision of (b) above is not for investment leverage,
but solely to facilitate management of the Portfolio by enabling the Portfolio
to meet redemption requests when the liquidation of portfolio securities is
considered to be disadvantageous.  The Portfolio's net income will be reduced
if the interest expense of borrowings incurred to meet redemption requests and
avoid liquidation of portfolio securities exceeds the interest income of those
securities.  To the extent that borrowings exceed 5% of the value of the
Portfolio's net assets, such borrowings will be repaid before any investments
are made.
        
     (5) Invest more than 25% of the value of the Portfolio's total assets in
the securities of issuers in any single industry; provided that there shall be
no such limitation on investments in the mortgage and mortgage finance industry
(in which more than 25% of the value of the 

                                     27

<PAGE>   65

Portfolio's total assets will, except for temporary defensive purposes, be
invested) or on the purchase of obligations issues or guaranteed by the United
States Government or its agencies or instrumentalities.
        
     (6) Act as an underwriter of securities, except to the extent that the
Fund may be deemed to be an "underwriter" in connection with the purchase of
securities for the Portfolio directly from an issuer or an underwriter thereof.

     (7) Make loans except that the Portfolio may purchase or hold debt
obligations, enter into repurchase agreements and loan Federal funds and other
day(s) funds to FDIC Insured Institutions (as defined in the Prospectus), in
each case to the extent permitted by the Fund's investment objective and the
Portfolio's management policies.

     (8) Purchase securities on margin or make short sales of securities; write
or purchase put or call options or combinations thereof or purchase or sell
real estate, real estate mortgage loans (except that the Portfolio may purchase
and sell Mortgage Related Securities), real estate investment trust securities,
commodities or commodity contracts, or oil and gas interests.

     The Fund has adopted the following investment restrictions for the
Intermediate Mortgage Portfolio and U.S. Government Mortgage Portfolio,
respectively, none of which may be changed without the approval of a majority
of the outstanding shares of the Portfolio, as defined under "General
Information" in this Statement of Additional Information.  The restrictions are
the same for both Portfolios except as indicated.  Accordingly, the
Intermediate Mortgage Portfolio and the U.S. Government Mortgage Portfolio may
not:

     (1) Purchase securities other than Eligible Investments.  In the event
that the OTS Regulations (as defined in the Prospectus) applicable to Federal
savings associations are amended to remove assets from the list of assets which
qualify as Eligible Investments, the Fund will dispose of any nonqualifying
assets held by the Portfolio in such time and manner as may be permitted by
relevant OTS Regulations or, if none, in such time and manner as the Fund's
Board of Directors may determine. Conversely, if the list of qualifying assets
is expanded, such additional qualifying assets will also constitute Eligible
Investments and the Portfolio will be free to make investments therein, to the
extent consistent with the Fund's investment objective and the Portfolio's
management policies.
        
     (2) Invest more than 5% of its total assets in the securities of any one
issuer, other than securities issued or guaranteed by the United States
Government or its agencies or instrumentalities, except that up to 25% of the
value of the Portfolio's total assets may be invested without regard to this 5%
limitation.

     (3) Enter into repurchase agreements or purchase any other investments for
which market quotations are not readily available, in each case maturing in
more than 7 days if, as a result, more than 15% of the value of the
Intermediate Mortgage Portfolio's total assets and 

                                     28

<PAGE>   66

more than 10% of the value of the U.S. Government Mortgage Portfolio's total
assets would be invested in such repurchase agreements and such other illiquid
investments.
        
     (4) Enter into reverse repurchase agreements exceeding in the aggregate
one-third of the value of the U.S. Government Mortgage Portfolio's total
assets, less liabilities other than the obligations created by reverse
repurchase agreements.

     (5) (Intermediate Mortgage Portfolio)  Borrow money except from banks (a)
for temporary purposes and in an amount not exceeding 10% of the value of the
Portfolio's net assets, or (b) to meet redemption requests without immediately
selling any portfolio securities and in an amount not exceeding in the
aggregate one-third of the value of the Portfolio's total assets, less
liabilities other than such borrowing; or mortgage, pledge or hypothecate its
assets except in connection with any such borrowing and in amounts not in
excess of 20% of the value of its net assets provided that there shall be no
such limitation on deposits made in connection with the entering into and
holding of interest rate futures contracts and options thereon.  The borrowing
provision of (b) above is not for investment leverage, but solely to facilitate
management of the Portfolio by enabling the Portfolio to meet redemption
requests when the liquidation of portfolio securities is considered to be
disadvantageous.  To the extent that borrowings exceed 5% of the value of the
Portfolio's net assets, such borrowings will be repaid before any investments
are made.  The Portfolio's ability to enter into reverse repurchase agreements
is not restricted by this paragraph (5) and collateral arrangements with
respect to margins for interest rate futures contracts and options thereon are
not deemed to be a pledge of assets for the purpose of this paragraph (5).

     (6) (U.S. Government Mortgage Portfolio)  Borrow money except from banks
(a) for temporary or emergency purposes and in an amount not exceeding 10% of
the value of the Portfolio's net assets, or (b) to meet redemption requests
without immediately selling any portfolio securities and in an amount not
exceeding in the aggregate one-third of the value of the Portfolio's total
assets, less liabilities other than borrowing; or mortgage, pledge or
hypothecate its assets except in connection with any such borrowing and in
amounts not in excess of 20% of the value of its net assets provided that there
shall be no such limitation on deposits made in connection with the entering
into and holding of interest rate futures contracts and options thereon.  The
borrowing provision of (b) above is not for investment leverage, but solely to
facilitate management of the Portfolio by enabling the Portfolio to meet
redemption requests when the liquidation of portfolio securities is considered
to be disadvantageous.  The Portfolio's net income will be reduced if the
interest expense of borrowings incurred to meet redemption requests and avoid
liquidation of portfolio securities exceeds the interest income of those
securities.  To the extent that borrowings exceed 5% of the value of the
Portfolio's net assets, such borrowings will be repaid before any investments
are made.  The Portfolio's ability to enter into reverse repurchase agreements
is not restricted by this paragraph (6) and collateral arrangements with
respect to margins for interest rate futures contracts and options thereon are
not deemed to be a pledge of assets for the purpose of this paragraph (6).


                                     29
<PAGE>   67


        
     (7) Invest more than 25% of the value of the Portfolio's total assets in
the securities of issuers in any single industry; provided that there shall be
no such limitation on investments in the mortgage and mortgage finance industry
(in which more than 25% of the value of the portfolio's total assets will,
except for temporary defensive purposes, be invested) or on the purchase of
obligations issued or guaranteed by the United States Government or its
agencies or instrumentalities.

     (8) Act as an underwriter of securities, except to the extent that the
Fund may be deemed to be an "underwriter" in connection with the purchase of
securities for the Portfolio directly from an issuer or an underwriter thereof.

     (9) Make loans except that the Portfolio may purchase or hold debt
obligations, enter into repurchase agreements and loan Federal funds and other
day(s) funds to FDIC Insured Institutions (as defined in the Prospectus), in
each case to the extent permitted by the Fund's investment objective and the
Portfolio's management policies.

     (10) (Intermediate Mortgage Portfolio)  Purchase securities on margin or
make short sales of securities; write or purchase put or call options or
combinations thereof except that the Portfolio may write covered call options
and purchase call or put options on investments eligible for purchase by the
Portfolio; or purchase or sell real estate, real estate mortgage loans (except
that the Portfolio may purchase and sell Mortgage-Related Securities), real
estate investment trust securities, commodities or commodity contracts, or oil
and gas interests; except that the Portfolio may enter into interest rate
futures contracts and may write call options and purchase call and put options
on interest rate futures contracts if (a) as to interest rate futures
contracts, each futures contract is (i) for the sale of a financial instrument
(a "short position") to hedge the value of securities held by the Portfolio or
(ii) for the purchase of a financial instrument of the same type and for the
same delivery month as the financial instrument underlying a short position
held by the Portfolio (a "long position offsetting a short position"), (b) the
sum of the aggregate futures market prices of financial instruments required to
be delivered under open futures contract sales and the aggregate purchase
prices under open futures contract purchases does not exceed 30% of the value
of the Portfolio's total assets, and (c) immediately thereafter, no more than
5% of the Portfolio's total assets would be committed to margin.  This ability
to invest interest rate futures contracts and options thereon is not for
speculation, but solely to permit hedging against anticipated interest rate
changes.

     (11) (U.S. Government Mortgage Portfolio)  Purchase securities on margin
or make short sales of securities; write or purchase put or call options or
combinations thereof except that the Portfolio may write covered call options
and purchase call or put options on Eligible Investments; or purchase or sell
real estate, real estate mortgage loans (except that the Portfolio may purchase
and sell Mortgage-Related Securities), real estate investment trust securities,
commodities or commodity contracts, or oil and gas interests except that the
Portfolio may enter into interest rate futures contracts and may write call
options and purchase call and put options on interest rate futures contracts if
(a) as to interest rate futures contracts, each futures contract is (i) for the
sale of a financial instrument (a "short position") to hedge the value of
securities 


                                     30
<PAGE>   68

held by the Portfolio or (ii) for the purchase of a financial instrument of the
same type and for the same delivery month as the financial instrument
underlying a short position held by the Portfolio (a "long position offsetting
a short position"), (b) the sum of the aggregate futures market prices of
financial instruments required to be delivered under open futures contract
sales and the aggregate purchase prices under open futures contract purchases
does not exceed 30% of the value of the Portfolio's total assets, and (c)
immediately thereafter, no more than 5% of the Portfolio's total assets would
be committed to margin.  This ability to invest in interest rate futures
contracts and options thereon is not for speculation, but solely to permit
hedging against anticipated interest rate changes.
        

                  ORGANIZATION AND DESCRIPTION OF FUND SHARES

     The authorized capital stock of the Fund consists of five classes of
common stock, par value $.001 per share, as follows:  (i) Money Market
Portfolio -- 4.0 billion shares, (ii) Short U.S. Government Securities
Portfolio -- 500 million shares, (iii) U.S. Government Mortgage Securities
Portfolio -- 500 million shares, (iv) Intermediate Mortgage Securities
Portfolio -- 500 million shares and (v) Adjustable Rate Mortgage (ARM)
Portfolio -- 500 million shares.  The shares of each class represent interests
only in the corresponding portfolio.  When issued and paid for in accordance
with the terms of offering, each share is fully paid and nonassessable.  All
shares of common stock of the same class have equal dividend, distribution,
liquidation and voting rights and are redeemable at net asset value, at the
option of the stockholder.  In addition, the shares have no preemptive,
subscription or conversion rights and are freely transferable.

     Rule 18f-2 under the 1940 Act provides that any matter required to be
submitted by the provisions of such Act or applicable state law, or otherwise,
to the holders of the outstanding voting securities of an investment company
such as the Fund shall not be deemed to have been effectively acted upon unless
approved by the holders of a majority of the outstanding shares (as defined
under "General Information" below) of each class affected by such matter.  Rule
18f-2 further provides that a class shall be deemed to be affected by a matter
unless it is clear that the interests of each class in the matter are identical
or that the matter does not affect any interest of such class.  However, the
Rule exempts the selection of independent public accountants and the election
of directors from the separate voting requirements of the Rule.


                      COUNSEL AND INDEPENDENT ACCOUNTANTS

     Vedder, Price, Kaufman & Kammholz are legal counsel to the Fund and pass
upon the validity of the shares offered by the Prospectus.

     Coopers & Lybrand L.L.P. are the Fund's independent accountants.  The
financial statements of each Portfolio incorporated in this Statement of
Additional Information by reference to the Fund's Annual Report to Stockholders
for the year ended October 31, 1997 (see "Financial Statements" below), have
been so incorporated in reliance on the report of 




                                     31
<PAGE>   69


Coopers & Lybrand L.L.P. given on the authority of such firm as experts in
accounting and auditing.
        

                              GENERAL INFORMATION

     The Fund sends to all of the stockholders of each Portfolio semi-annual
reports and annual reports, including a list of investment securities held by
each Portfolio, and, for annual reports, audited financial statements of each
Portfolio.

     As used in each Prospectus and this Statement of Additional Information,
the term "majority," when referring to the approvals to be obtained from
stockholders, means the vote of the lesser of (1) 67% of the Fund's shares of
each class or of the class entitled to a separate vote present at a meeting if
the holders of more than 50% of the outstanding shares of all classes or of the
class entitled to a separate vote are present in person or by proxy, or (2)
more than 50% of the Fund's outstanding shares of all classes or of the class
entitled to a separate vote.  The Bylaws of the Fund provide that an annual
meeting of stockholders is not required to be held in any year in which none of
the following is required to be acted on by stockholders pursuant to the 1940
Act:  election of directors; approval of the investment advisory agreement;
ratification of the selection of independent public accountants; and approval
of a distribution agreement.

     In January 1984, the Fund changed its name from Liquidity Fund for
Thrifts, Inc. to Asset Management Fund for Savings Institutions, Inc.  In
February 1990, the Fund changed its name from Asset Management Fund for Savings
Institutions, Inc. to Asset Management Fund for Financial Institutions, Inc.
In September 1994, the Fund changed its name from Asset Management Fund for
Financial Institutions, Inc. to Asset Management Fund, Inc.  In June 1992, the
Intermediate Mortgage Portfolio changed its name from the Corporate Bond
Portfolio to its present name.  In September 1994, the U.S. Government Mortgage
Securities Portfolio changed its name from the Mortgage Securities Performance
Portfolio to its present name.

     The Prospectus and this Statement of Additional Information do not contain
all the information included in the Registration Statement filed with the
Securities and Exchange Commission under the Securities Act of 1933 with
respect to the securities offered hereby, certain portions of which have been
omitted pursuant to the rules and regulations of the Securities and Exchange
Commission.  The Registration Statement, including the exhibits filed
therewith, may be examined at the office of the Securities and Exchange
Commission in Washington, D.C.

     Statements contained in each Prospectus and this Statement of Additional
Information as to the contents of any contract or other document referred to
are not necessarily complete, and, in each instance, reference is made to the
copy of such contract or other document filed as an exhibit to the Registration
Statement of which the Prospectus and Statement of Additional Information form
a part, each such statement being qualified in all respects by such reference.


                                     32
<PAGE>   70

                          DESCRIPTION OF DEBT RATINGS

     Bonds rated Aa by Moody's are judged to be of high quality by all
standards.  Together with the Aaa Group they comprise what are known as high
grade bonds.  They are rated lower than the best bonds because margins of
protection may not be as large as in Aaa bonds.  Moody's applies the numerical
modifiers 1, 2 and 3 to certain general rating classifications, including Aa.
The modifier 3 indicates that the issue ranks in the lower end of its generic
rating category.  Debt rated AA by Standard & Poor's has a very strong capacity
to pay interest and repay principal and differs from the highest rated issues,
which are rated AAA, only in small degree.  Ratings in certain categories,
including AA, may be modified by the addition of a plus or minus sign to show
relative standing within the major rating categories.  Duff and Phelps, Inc.
and Fitch Investors Service, Inc. have comparable rating systems.


                              FINANCIAL STATEMENTS

     The financial statements required to be included in this Statement of
Additional Information are incorporated herein by reference to the Fund's
Annual Report to Stockholders for the year ended October 31, 1997 (the "Annual
Report").  The Fund will provide the Annual Report without charge to each
person to whom this Statement of Additional Information is delivered.
        


                                     33
<PAGE>   71


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




                               TABLE OF CONTENTS
                                                                     


<TABLE>
<CAPTION>
                                                                  Page
                                                                  ----
         <S>                                                    <C>
         THE FUND'S OBJECTIVE, THE PORTFOLIOS
                AND THEIR MANAGEMENT POLICIES                        2

         PURCHASE AND REDEMPTION OF SHARES                           8

         DIVIDENDS, DISTRIBUTIONS, YIELD
                 AND TOTAL RETURN QUOTATIONS                         8

         MANAGEMENT OF THE FUND                                     11

         INVESTMENT ADVISER AND ADMINISTRATOR                       16

         DISTRIBUTOR                                                21

         DETERMINATION OF NET ASSET VALUE                           24

         TAXES                                                      24

         PORTFOLIO TRANSACTIONS                                     26

         INVESTMENT RESTRICTIONS                                    27

         ORGANIZATION AND DESCRIPTION OF FUND SHARES                31

         COUNSEL AND INDEPENDENT ACCOUNTANTS                        31

         GENERAL INFORMATION                                        32

         DESCRIPTION OF DEBT RATINGS                                33

         FINANCIAL STATEMENTS                                       33
</TABLE>










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








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



                                ADJUSTABLE RATE
                           MORTGAGE (ARM) PORTFOLIO,

                             INTERMEDIATE MORTGAGE
                              SECURITIES PORTFOLIO

                                      AND

                                U.S. GOVERNMENT
                         MORTGAGE SECURITIES PORTFOLIO




                          Asset Management Fund, Inc.




                      ___________________________________




                            STATEMENT OF ADDITIONAL

                                  INFORMATION



                                 March 1, 1998




                      ___________________________________





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




<PAGE>   72


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



                      STATEMENT OF ADDITIONAL INFORMATION







                             MONEY MARKET PORTFOLIO
                                      and
                   SHORT U.S. GOVERNMENT SECURITIES PORTFOLIO
                          ASSET MANAGEMENT FUND, INC.
                111 East Wacker Drive, Chicago, Illinois  60601



     The Money Market Portfolio and the Short U.S. Government Securities
Portfolio (each, a "Portfolio" and collectively, the "Portfolios") are each a
portfolio of Asset Management Fund, Inc. (the "Fund"), a professionally
managed, diversified, open-end investment company.  Each Portfolio is
represented by a class of shares separate from those of the Fund's other
portfolios.

     This Statement of Additional Information is not a prospectus and should be
read in conjunction with the Fund's Prospectus, dated March 1, 1998 (the
"Prospectus"), a copy of which may be obtained from the Fund at the address
noted above.




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






            The date of this Statement of Additional Information is
                                 March 1, 1998.




<PAGE>   73


     Capitalized terms not defined in this Statement of Additional Information
and defined in the Prospectus shall have the meanings defined in the
Prospectus.


                      THE FUND'S OBJECTIVE, THE PORTFOLIOS
                         AND THEIR INVESTMENT POLICIES

     Under current OTS Regulations and the policies adopted by the Board of
Directors of the Fund, Eligible Investments for each Portfolio include those
described in the Prospectus, together with the following, as long as principal
and interest on such Eligible Investments are not in default:

     Time deposits (negotiable and non-negotiable) in a Federal Home Loan Bank,
the Bank for Savings and Loan Associations, Chicago, Illinois or the Savings
Banks Trust Company, New York, New York.

     Repurchase Agreements.  If the seller defaults in its obligation to
repurchase from either Portfolio the underlying instrument, which in effect
constitutes collateral for the seller's obligation, at the price and time fixed
in the repurchase agreement, the Portfolio might incur a loss if the value of
the collateral declines and might incur disposition costs in connection with
liquidating the collateral.  In addition, if bankruptcy proceedings are
commenced with respect to the seller, realization upon the collateral by the
Portfolio may be delayed or limited.  Each Portfolio will always receive as
collateral instruments whose market value, including accrued interest, will be
at least equal to 100% of the dollar amount invested by the Portfolio in each
agreement.  Each Portfolio enters into repurchase agreements with primary
government securities dealers.

     Certificates of Deposit.  Each Portfolio may invest in certificates of
deposit issued by and other time deposits in foreign branches of FDIC insured
banks.  Investment in such deposits may involve somewhat different investment
risks from those affecting deposits in United States branches of such banks.
These risks, which might adversely affect the payment of principal and interest
on such deposits, include the possibility that a foreign jurisdiction might
impose withholding taxes on interest income payable on such deposits, the
possible seizure or nationalization of foreign deposits or the possible
adoption of foreign governmental restrictions, such as exchange controls.

     FDIC Insured Institutions.  Although each Portfolio's investment in
savings accounts and in certificates of deposit and other time deposits in an
FDIC Insured Institution is insured to the extent of $100,000 by the Federal
Deposit Insurance Corporation, the Portfolio may invest more than $100,000 with
a single Institution, and any such excess and any interest on the investment
would not be so insured.  Deposits in foreign branches of FDIC insured banks
are not insured by the Federal Deposit Insurance Corporation.




                                      2


<PAGE>   74


     The Money Market Portfolio will invest in Eligible Investments issued by
an FDIC Insured Institution only if such Institution or a security issued by
such Institution (i) has a short-term debt obligation rating in the highest
category by at least two nationally recognized statistical rating organizations
("NRSROs"), or (ii) if rated by two NRSROs in the second-highest category for
short-term debt obligations, are purchased only in the amounts prescribed for
"Second Tier Securities" by Rule 2a-7 under the Investment Company Act of 1940,
as amended, or (iii) if rated only by one NRSRO (with such rating in the
highest category), the investment is submitted to the Board of Directors for
approval or ratification, or (iv) if no such ratings are available, is of
comparable quality in the opinion of the Adviser and, except in the case of a
Government security, the investment is submitted to the Board of Directors of
the Fund for approval or ratification.

     The Money Market Portfolio does not invest in securities with a remaining
maturity of greater than 397 calendar days. 
        
     The Short U.S. Government Securities Portfolio (the "Short Government
Portfolio") will invest in Eligible Investments issued by an FDIC Insured
Institution only if such Institution or a security issued by such Institution
(i) has a short-term debt obligation rating in the highest category by one
NRSRO, or (ii) if no such ratings are available, has comparable quality in the
opinion of the Portfolio's investment adviser under the general supervision of
the Board of Directors of the Fund.



     Other Current Policies.  Under current policies of the Board of Directors,
the Fund has adopted certain voluntary restrictions with respect to each
Portfolio's Eligible Investments.  These restrictions:



     (1) prohibit the purchase of obligations of Federal Land Banks, Federal
Intermediate Credit Banks, the Export-Import Bank of the United States, the
Commodity Credit Corporation, the National Credit Union Administration and the
Tennessee Valley Authority;

     (2) limit the use of repurchase agreements to repurchase agreements
involving obligations of the U.S. Government, including zero coupon Treasury
securities that have been stripped of either principal or interest by the U.S.
Government so long as the maturity of these securities does not exceed ten
years, and obligations of the Federal Home Loan Banks, Fannie Mae, the 
Government National Mortgage Association, the 

                                      3
<PAGE>   75

Federal Farm Credit Banks, the Federal Financing Bank, the Student Loan
Marketing Association and Freddie Mac;
        
          (3) prohibit investments in reverse repurchase agreements until such
time as federal credit unions may invest in them without limitation;

          (4) limit the maturities of bankers' acceptances to six months and
prohibit investments in bankers' acceptances of Edge Act corporations guaranteed
by their FDIC-insured parent banks until such time as the appropriateness of
these latter investments for federal credit unions is clarified; and

          (5) prohibit loans of federal funds until such time as investors are
limited to institutions meeting the requirements of Regulation D of the Board of
Governors of the Federal Reserve System.

     Although these restrictions are not fundamental policies of the Fund and
may be changed without stockholder vote, the Fund will not alter these
restrictions without notice to stockholders.

     See "Investment Restrictions" in this Statement of Additional Information
for a description of additional investment restrictions of the Portfolios.

                       PURCHASE AND REDEMPTION OF SHARES

   
     The Fund believes that shares of both Portfolios are eligible for purchase
without limitation by federal thrifts, national banks and federal credit unions.
    

     The Fund reserves the right to suspend the right of redemption and to
postpone the date of payment upon redemption (1) for any period during which
the New York Stock Exchange (the "Exchange") is closed, other than customary
weekend and holiday closings, or during which trading on the Exchange is
restricted, or (2) for any period during which an emergency, as defined by the
rules of the Securities and Exchange Commission, exists as a result of which
(i) disposal by the Fund of securities held by each Portfolio is not reasonably
practicable, or (ii) it is not reasonably practicable for the Fund to determine
the value of the Portfolio's net assets, or (3) for such other periods as the
Securities and Exchange Commission, or any successor governmental authority,
may by order permit for the protection of stockholders of each Portfolio.

                                      4
<PAGE>   76
                        DIVIDENDS, DISTRIBUTIONS, YIELD
                          AND TOTAL RETURN QUOTATIONS

     Dividends on shares of the Portfolios are paid monthly on the first
Business Day of each month.

     The Fund seeks to maintain for the Money Market Portfolio a net asset
value of $1.00 per share for purchases and redemptions.  In order to effectuate
this policy, the Fund may, under certain circumstances, withhold dividends or
make distributions from capital or capital gains.

     Net income of the Money Market Portfolio for dividend purposes (from the
time of the immediately preceding determination thereof) will consist of (i)
interest accrued and discount earned (including both original issue and market
discount) less amortization of any  premium, (ii) plus all realized net
short-term gains, if any, on portfolio securities, (iii) less the accrued
expenses attributable to the Portfolio (including the Portfolio's pro rata
share, based on its relative net asset value in relation to that of the Short 
Government Portfolio for the applicable period, of the fees payable to the 
Fund's sponsor) and the general expenses of the Fund prorated on the basis of 
relative net asset value of the Portfolio in relation to the net asset value 
of the Fund's other portfolios applicable to that period.

        The Money Market Portfolio's seven-day yield and seven-day effective
yield for the period ended October 31, 1997, were 5.21% and 5.40%,
respectively. Without fee waivers, the seven-day yield would have been 5.06%,
and the seven-day effective yield would have been 5.25%.  The seven-day yield
was calculated by dividing the aggregate net income per share for dividend
purposes (excluding, however, any realized gains or losses) for the seven-day
period by the average net asset value per share for such period and multiplying
this return by 365/7.  The seven-day effective yield was calculated similarly,
but, when annualized, all income earned over the seven-day period was assumed
to be reinvested.

     From time to time in sales literature, the Money Market Portfolio may
quote a yield for a period either less than or greater than seven days.  Any
quotation of yield for a period of either less than or greater than seven days
will identify the length of and the date of the last day in the base period
used in computing that quotation.  Any such quotation will also include the
seven-day yield and effective yields of the same day.

     From time to time the Money Market Portfolio may also compare its
performance with various indices and investments, other performance measures or
rankings, or other mututal funds, or indices or averages of other mutual funds.


                                      5
<PAGE>   77

     Net income of the Short Government Portfolio for dividend purposes (from
the time of the immediately preceding determination thereof) will consist of
(i) interest accrued and discount earned (including both original issue and
market discount) less amortization of any premium, (ii) less the accrued
expenses attributable to the Portfolio (including the Portfolio's pro rata
share, based on its relative net asset value in relation to that of the Money
Market Portfolio for the applicable period, of the fees payable to the Fund's
sponsor) and the general expenses of the Fund prorated on the basis of relative
net asset value of the Portfolio in relation to the net asset value of the
Fund's other portfolios applicable to that period.

     For the 30-day period ended October 31, 1997, the Short Government
Portfolio's annualized yield was 5.34%.  The average annual total rates of
return for the periods ended October 31, 1997 were as follows:


<TABLE>
<S>                                                             <C>
One year  ....................................................   6.04%
Five years ...................................................   5.39%
Ten years ....................................................   7.20%

</TABLE>



     The annualized yield shown above was computed by dividing the aggregate
net income per share for dividend purposes for the 30-day period by the
Portfolio's net asset value on October 31, 1997.  The 30-day yield was then
annualized on a bond-equivalent basis assuming semi-annual reinvestment and
compounding of net income per share for dividend purposes.

     The total return for each period shown above was computed by assuming a
hypothetical initial investment of $1,000 on the first day of such period.  It
was then assumed that all dividends and distributions over the period were
reinvested and that, at the end of such period, the entire amount was redeemed.
The average annual total rate of return was then determined by calculating the
annual rate required for the initial payment to grow to the amount which would
have been received upon redemption (i.e., the average annual compound rate of
return).

     From time to time, the Short Government Portfolio may quote a "dividend
distribution rate" in sales literature.  The "dividend distribution rate"
represents the aggregation of actual distributions made, representing
dividends, realized short-term capital gains and certain realized long-term
capital gains.  It does not reflect unrealized gains or losses.  The "dividend
distribution rate" differs from yield in that certain non-recurring components
may be included.  Any quoted "divided distribution rate," therefore, should be
considered along with, and not as a substitute for, the yield and total rate of
return of the Portfolio.

     From time to time, the Short Government Portfolio's performance may be
compared with various indices and investments, other performance measures or
rankings, or other mutual funds, or indices or averages of other mutual funds.


                                      6

<PAGE>   78


                             MANAGEMENT OF THE FUND

Directors and Officers

     Directors and Officers of the Fund, together with information as to their
principal business occupations during the last five years, are shown below.
Each director who is an "interested person" of the Fund, as defined in the
Investment Company Act of 1940, as amended (the "1940 Act"), is indicated by an
asterisk.

Name and Address                                         Position with Fund

RICHARD M. AMIS (Age 46)                                 Director
630 Clarksville Street
Paris, TX  75460

Principal Occupations During Past Five Years and Prior Relevant Experience

President, First Federal Savings & Loan Association since 1984; Chairman, Texas
Savings and Community Bankers Association since June 1997; Director, First
Financial Trust Company.

ARTHUR G. DE RUSSO (Age 77)                              Director
5397 S.E. Major Way
Stuart, FL  34997

Principal Occupations During Past Five Years and Prior Relevant Experience:

Chief Executive Officer, Eastern Financial Federal Credit Union from 1974 to
1992; Chairman and Director, First Credit Union Trust Co., Inc. from 1988 to
1992; President of the Airline Credit Union Conference in 1991; Director, Honor
ATM Network, Florida from 1985 to 1990.

                                      7
<PAGE>   79




DAVID F. HOLLAND (Age 56)                              Director
17 New England Executive Park
Burlington, MA  01803


Principal Occupations During Past Five Years and Prior Relevant Experience:

   
Chairman of the Board since 1989 and since 1986 Chief Executive Officer of
Boston Federal Savings Bank; Director of Fund from 1988 to 1989 and since 1993;
Director of Federal Home Loan Bank of Boston; until December 1997 Chairman of
America's Community Banking Partners, Inc. and Director of ACB Investment
Services, Inc.; Director of M.S.G. Fund, Inc. since 1997; Director and Chairman
since December 1995 of Center for Financial Studies; Director of NYCE
Corporation since 1995; Director from 1990 to 1995 and Chairman 1993-1994 of
American Community Bankers; member from 1995 to 1997 and President 1997 of
Thrift Institutions Advisory Council.
    
   
    

        

                                      8
<PAGE>   80

GERALD J. LEVY (Age 66)                                   Vice Chairman of the
4000 W. Brown Deer Road                                   Board and Director
Milwaukee, WI  53209

Principal Occupations During Past Five Years and Prior Relevant Experience:

Chairman and Chief Executive Officer, Guaranty Bank, S.S.B. since 1984 (from
1959 to 1984, he held a series of officer's positions, including President).
Chairman, 1986, United States League of Savings Institutions; Director of
FIserv, Inc. since 1986; Director since 1995 of the Republic Mortgage Insurance
Company; Director of the Federal Asset Disposition Association from 1986 to
1989; and, previously Director and Vice Chairman, Federal Home Loan Bank of
Chicago and member of Advisory Committee of the Federal Home Loan Mortgage
Corporation and Federal National Mortgage Corporation.

RODGER D. SHAY* (Age 61)                                 Chairman of the Board,
888 Brickell Avenue                                      Director and President
Miami, FL  33131

Principal Occupations During Past Five Years and Prior Relevant Experience:

   
Chairman and Director of Shay Assets Management, Inc. since August, 1997  
(previously President and Director from 1990 to August, 1997). Chairman and 
Director of Shay Financial Services, Inc. since August, 1997 (previously
President and Director from 1990 to August, 1997). President, Chief Executive
Officer and member of the Managing Board of Shay Assets Management Co. from
1990 to December, 1997.  President, Chief Executive Officer and member of the
Managing Board of Shay Financial Services Co. from 1990 to December, 1997.
Director from  1986 to 1991 and President from 1986 to 1992, U.S. League
Securities, Inc.;  Vice President since 1995 of Institutional Investors
Capital Appreciation Fund, Inc. and M.S.B. Fund, Inc.  Director, First Home
Savings Bank, S.L.A. since 1990; previously Director, Asset Management Fund,
Inc., from 1985 to 1990;  President of Bolton Shay and Company and Director and
officer of its  affiliates from 1981 to 1985.  Previously, employed by certain
subsidiaries of  Merrill Lynch & Co. from 1955 to 1981, where he served in
various executive  positions including Chairman of the Board of Merrill Lynch
Government  Securities, Inc., Chairman of the Board of Merrill Lynch Money
Market Securities, Inc. and Managing Director of the Debt Trading Division of
Merrill Lynch, Pierce, Fenner & Smith Inc. 
    
 


                                      9




<PAGE>   81
EDWARD E. SAMMONS, JR. (Age 58)                                  Vice President,
111 East Wacker Drive                                            Treasurer and
Chicago, IL  60601                                               Secretary



Principal Occupations During Past Five Years and Prior Relevant Experience:

President of Shay Assets Management, Inc. since August, 1997 (previously
Executive Vice President from 1990 to August, 1997).  Executive Vice
President and member of the Managing Board of Shay Assets  Management Co. from
1990 to December, 1997. Executive Vice President and member of the  Managing
Board of Shay Financial Services Co. from 1990 to December, 1997 and Executive
Vice President of Shay Financial Services, Inc., from 1990 to August, 1997.  
Vice President and Secretary since 1995 of Institutional Investors Capital 
Appreciation Fund, Inc. and M.S.B. Fund, Inc. 

DORIS J. PAVEL (43)                                          Assistant Secretary
111 East Wacker Drive
Chicago, IL  60601

Principal Occupations During Past Five Years and Prior Relevant Experience:

Assistant Secretary, Asset Management Fund, Inc. since 1993.  Administrative
Manager, Shay Investment Services, Inc. since December, 1997.  Administrative
Manager, ACB Investment Services Co., 1993 to December, 1997 and previously 
administrative assistant for several affiliated firms since 1987.

     Officers or interested directors of the Fund also may hold positions as
directors or officers of other affiliated entities of the Adviser, Distributor
or America's Community Bankers.

   
     The Fund will pay $7,500 per annum in compensation to directors who are
not officers or employees of the Distributor or the Adviser.  In addition, each
director who is not such an officer or employee will receive $1,500 for each
meeting of the Board of Directors and $1,000 for each meeting of any committee
thereof attended and will be reimbursed for out-of-pocket expenses incurred in
attending such meetings.  Directors who are officers or employees of the
Distributor or the Adviser receive no compensation for their services as
directors of the Fund.
    



                                     10



<PAGE>   82
     The following table sets forth the compensation earned by directors from
the Fund for the fiscal year ended October 31, 1997:

<TABLE>
<CAPTION>
                                                 PENSION OR
                                                 RETIREMENT BENEFITS      ESTIMATED
                                    AGGREGATE    ACCRUED AS PART OF        ANNUAL
                                  COMPENSATION   FUND                     BENEFITS
            DIRECTOR              FROM THE FUND        EXPENSES        UPON RETIREMENT  TOTAL COMPENSATION
- --------------------------------  -------------  --------------------  ---------------  ------------------
<S>                                   <C>               <C>                  <C>                  <C>
Richard M. Amis.................        $10,125           0                   0                    $10,125
Arthur G. DeRusso...............         15,500           0                   0                     15,500
David F. Holland................         14,500           0                   0                     14,500
Leon T. Kendall(1)..............         15,500           0                   0                     15,500
Gerald J. Levy..................         15,500           0                   0                     15,500
</TABLE>

(1) Retired December 6, 1997





     The following table provides certain information at November 30, 1997 as
to the Portfolio with respect to persons known to the Fund to be beneficial
(and record) owners (having sole voting and dispositive power) of 5% or more of
the shares of common stock of the Money Market Portfolio and the Short
Government Portfolio:


                                     11
<PAGE>   83
<TABLE>
<CAPTION>
                                                         Percent of
Name and                                                Portfolio's
address of                                              outstanding
beneficial owner                     Number of Shares   common stock
- --------------------------------     ----------------   ------------
<S>                                     <C>               <C>

Money Market Portfolio:
- --------------------------------

Anchor Bank, FSB
25 West Main St.
Madison, WI 53703                        3,000,000          5.66%

Community Bank of Tri-County
3035 Leonardtown Rd
Waldorf, MD 20601                        5,485,631         10.35%

Haywood SB, Inc. SSB 
370 N. Main 
Waynesville, NC 28786                    4,654,624          8.78%

Windsor Federal Savings Bank
250 Broad Street
Windsor, CT 06095                        3,322,556          6.27%

Short U.S. Government Portfolio:
- --------------------------------
First Federal Savings &
  Loan Association
320 East Main Street
Lincolnton, NC 28092                     1,252,793         11.50%

Greater South Texas Bank, FSB
131 East Rice Street
Falfurrias, TX 78355                       673,100          6.18%
</TABLE>


                                     12


<PAGE>   84

     As of November 30, 1997, one of the directors had, through the
institutions he serves as an officer, shared voting and investment power over
3,137,848 shares (5.92%) of the Money Market Portfolio.  None of the Directors
had, as of November 30, 1997, through the financial institutions for which they
serve as officers, voting and investment power over any shares of the Short
Government Portfolio.

                     INVESTMENT ADVISER AND ADMINISTRATOR

     The investment adviser of the Fund since December 8, 1997 is Shay
Assets Management, Inc. (the "Adviser"), a Florida corporation. 
The Adviser, with its principal office at 111 East Wacker Drive, Chicago,
Illinois  60601, is registered as an investment adviser under the Investment
Advisers Act of 1940, as amended. For additional details concerning the Adviser
see the Fund's prospectus under the heading "Investment Adviser".


     The Investment Advisory Agreement between the Fund and the Adviser (the
"Advisory Agreement"), will remain in effect as to each Portfolio
until March 1, 1999 and shall continue from year to year thereafter, subject to
termination by the Fund or the 


                                     13
<PAGE>   85


Adviser as hereinafter provided, if such continuance is approved at least
annually by a majority of the outstanding shares (as defined under "General
Information" in this Statement of Additional Information) of the Portfolio or
by the Fund's Board of Directors.  The Advisory Agreement must also be approved
annually by the vote of a majority of the directors of the Fund who are not
parties to the Advisory Agreement or "interested persons" of any party thereto. 
All directors' votes must be cast in person at a meeting called for the purpose
of voting on such approval.
        
     As compensation for the services rendered by the Adviser under the
Advisory Agreement, the Fund pays the Adviser a fee, payable monthly, computed
as follows with respect to the Money Market Portfolio:  0.15% per annum of the
average daily net assets of the Portfolio up to and including $500 million;
plus 0.125% per annum of the next $500 million of such net assets; plus 0.10%
per annum of such net assets over $1 billion.  The Adviser may supplementally
waive advisory fees in an amount up to but not to exceed 0.15% of the average
daily net assets of the Portfolio.  This supplemental waiver agreement may be
terminated at any time by the Adviser.  For the Fund's fiscal years ended
October 31, 1997, 1996 and 1995, the Fund paid Shay Assets Management Co., the
predecessor adviser to the Fund ("SAMC") fees of $0 (net of fee waivers
of $83,068),  $0 (net of fee waivers of $101,717), and $0 (net of fee waivers
of $62,352), respectively, with respect to the Money Market Portfolio.

     As compensation for the services rendered by the Adviser under the
Advisory Agreement, the Fund pays the Adviser a fee, payable monthly, computed
as follows with respect to the Short Government Portfolio:  0.25% per annum of
the average daily net assets of the Portfolio up to and including $500 million;
plus 0.175% per annum of the next $500 million of such net assets; plus 0.125%
per annum of the next $500 million of such assets; plus 0.10% per annum of such
net assets over $1.5 billion.  For the Fund's fiscal years ended October 31,
1997, 1996 and 1995, the Fund paid SAMC fees of $339,060, $446,257, 
and $409,187 respectively, with respect to the Short Government Portfolio.

     The Advisory Agreement provides that the Adviser shall not be liable for
any error of judgment or mistake of law or for any loss suffered by any
portfolio of the Fund in connection with the matters to which the Advisory
Agreement relates, except a loss resulting from a breach of fiduciary duty with
respect to the receipt of compensation for services (in which case any award of
damages shall be limited to the period and the amount set forth in Section
36(b)(3) of the 1940 Act) or a loss resulting from willful misfeasance, bad
faith or gross negligence on its part in the performance of its duties under
the Advisory Agreement.
        
     The Advisory Agreement will terminate automatically upon its assignment
and is terminable with respect to each Portfolio at any time without penalty by
the Board of Directors of the Fund or by a vote of a majority of the
outstanding shares (as defined under "General Information" in this Statement of
Additional Information) of the Portfolio on 60 days' written notice to the
Adviser, or by the Adviser on 90 days' written notice to the Fund.




                                     14
<PAGE>   86



     The Portfolio Managers of the Adviser responsible for making investment
decisions concerning the Fund's investments are Edward E. Sammons, Jr., Rodger
D. Shay, Richard Blackburn, Rodger D. Shay, Jr. and Gregory J. Wisniewski.  For
information as to the principal occupations during the past five years of
Messrs. Sammons and Shay, who are also officers of the Fund, see "Management of
the Fund" in this Statement of Additional Information.  The principal business
occupations during the past five years and professional backgrounds of the
Portfolio Managers who are not also officers of the Fund are shown below
following each of their names and business addresses.





                                      15

<PAGE>   87



RICHARD BLACKBURN
111 East Wacker Drive
Chicago, IL  60601

Portfolio Manager of the Adviser and SAMC, the Fund's former adviser, since
1991.  With approximately twenty-five years of experience in the securities
industry, his previous employers also include Harris Trust & Savings Bank,
Merrill Lynch, Pierce, Fenner & Smith Inc. and the First National Bank of
Chicago.  Mr. Blackburn's primary expertise is in the mortgage securities
markets, particularly in the area of floating and/or adjustable rate 
securities. 

RODGER D. SHAY, JR.
888 Brickell Avenue          
Miami, FL  33131

Portfolio Manager of the Adviser and SAMC, the Fund's former adviser, since
1991.  President of Shay Financial Services, Inc., since August, 1997,
previously Senior Vice President from 1994 to August, 1997 and Vice President
from 1991 to 1993.  He was previously employed by Merrill Lynch, Pierce, Fenner
and Smith Inc. where he served as a senior trader and manager of collateralized
mortgage obligation trading. Mr. Shay's primary expertise is in the mortgage
securities market, particularly in the area of collateralized mortgage
obligations.


GREGORY J. WISNIEWSKI
111 East Wacker Drive
Chicago, Illinois  60601

Portfolio Manager of the Adviser and SAMC, the Fund's former adviser, since
1994.  From 1990 to 1994, Vice President of Shay Financial Services, Inc.
and of an affiliate, Shay Government Securities, Inc., and from 1985 to 1990,
an  account executive of predecessors of these firms.  His previous employers
also include The Chicago Corporation, where he served as an account executive
and financial futures trader, and Harris Trust and Savings Bank, where he
served variously as a manager of the portfolios of correspondent banks and as
the manager of the commercial paper portfolio of Harris Bankcorp.  



                                     16
<PAGE>   88

     The Fund's administrative agent (the "Administrator") with respect to each
Portfolio is PFPC Inc. ("PFPC"), a wholly-owned subsidiary of PNC Bank Corp.
Pursuant to the terms of the Restated Administration Agreement (the
"Administration Agreement") dated as of March 1, 1991, as amended, between the
Fund and the Administrator, the Administrator performs various administrative
services for the Fund, including (i) assisting in supervising all aspects of the
Portfolios' operations other than those assumed by the Adviser, the Distributor,
the custodian or the transfer and dividend agent, (ii) providing the Portfolios
with the services of persons competent to perform such administrative and
clerical functions as are necessary in order to provide effective administration
of the Portfolios, (iii) maintenance of each Portfolio's books and records, (iv)
preparation of various filings, reports, statements and returns filed with
governmental authorities or distributed to stockholders of each Portfolio, (v)
computation of each Portfolio's net asset value for purposes of the sale and
redemption of its shares, and (vi) computation of each Portfolio's daily
dividend.  Certain functions relating to state "blue sky" qualification services
in any of the states where the Portfolios are registered are subject to
additional charges by the Administrator that are not included in the fee rates
and minimum annual fee described below.
        
     As compensation for the services rendered by the Administrator under the
Administration Agreement, the Fund pays the Administrator a fee, computed daily
and payable monthly, with respect to each of the Money Market Portfolio and the
Short Government Portfolio at the rate of 0.03% per annum of the Portfolio's net
assets up to and including $1 billion; plus 0.02% per annum of the next $1
billion of net assets; plus 0.01% per annum of the Portfolio's net assets over
$2 billion, with a minimum annual fee not to exceed $393,200 for all the Fund's
portfolios taken together.  If applicable, the minimum fee is allocated among
the Fund's five portfolios based on relative average net asset values.  For the
fiscal years ended October 31, 1997, 1996 and 1995, the Fund paid the
Administrator fees pursuant to the Administration Agreement of $20,809, $20,328,
and $12,578 respectively, for the Money Market Portfolio.  For the fiscal years
ended October 31, 1997, 1996 and 1995, the Fund paid the Administrator fees
pursuant to the Administration Agreement of $50,414, $53,968, and $49,639
respectively, for the Short Government Portfolio.

     The Fund is responsible for the payment of its expenses.  Such expenses
with respect to each Portfolio include, without limitation, the fees payable to
the Adviser, the Administrator and the Distributor (see "Distributor" below)
with respect to each Portfolio, the fees and expenses of the Fund's custodian
and transfer and dividend agent with respect to each Portfolio, any brokerage
fees and commissions of each Portfolio, any portfolio losses of the Portfolio,
filing fees for the registration or qualification of the shares in the Portfolio
under Federal or state securities laws, the Portfolio's pro rata share of taxes,
interest, costs of liability insurance, fidelity bonds or indemnification, any
costs, expenses or losses arising out of any liability of, or claim for damages
or other relief asserted against, the Fund with respect to the Portfolio for
violation of any law, each Portfolio's pro rata share of legal and auditing fees
and 



                                     17
<PAGE>   89
expenses, expenses of preparing and setting in type prospectuses, proxy
material, reports and notices and the printing and distributing of the same to
the stockholders of each Portfolio and regulatory authorities, the Portfolio's
pro rata share of compensation and expenses of the Fund's directors and 
officers who are not affiliated with the Adviser, the Administrator, the
Distributor, or the transfer and dividend agent, and extraordinary expenses
incurred by the Fund with respect to each Portfolio.
        

                                  DISTRIBUTOR

     Effective December 8, 1997, Shay Financial Services, Inc. (the
"Distributor"), a registered securities broker-dealer, became the Fund's
principal distributor.  For additional details concerning the Distributor, see
the Fund's prospectus under the heading "Distributor".


     As compensation for distribution services, the Fund pays the Distributor a
fee, payable monthly, with respect to the Portfolios at the rate of 0.15% per
annum of the combined average daily net assets of both Portfolios up to and
including $500 million; plus 0.125% per annum of the next $500 million of such
combined net assets; plus 0.10% per annum of the next $1 billion of such
combined net assets; plus 0.075% per annum of such combined net assets over $2
billion.  This fee is allocated between the two Portfolios based on relative
average net asset values.

     For the fiscal years ended October 31, 1997, 1996 and 1995, the Fund paid
Shay Financial Services Co., the predecessor distributor of the Fund's shares
("SFSC") fees pursuant to the Rule 12b-1 plan, as in effect, of $83,068,
$101,717, and $62,352, respectively, with respect to the Money Market Portfolio.
For the fiscal years ended October 31, 1997, 1996 and 1995, the Fund paid 
SFSC fees pursuant to the Rule 12b-1 plan, as in effect, of $203,346,
$267,754, and $245,512, respectively, with respect to the Short Government
Portfolio.  The Distributor is obligated under the Distribution Agreement with
the Fund dated December 8, 1997 to bear the costs and expenses of printing and
distributing copies of prospectuses and annual and interim reports of the Fund
(after such items have been prepared and set in type) that are used in
connection with the offering of shares of the Fund to investors, and the costs
and expenses of preparing, printing and distributing any other literature used
by the Distributor in connection with the offering of the shares of the
Portfolios for sale to investors.



                                     18



<PAGE>   90
     The Fund has been informed by SFSC that during its fiscal year
ended October 31, 1997, of the $286,414 fee received by SFSC from
the Fund with respect to the Portfolios, the following expenditures were made:


<TABLE>
          <S>                                                 <C>
          Advertising and promotion ........................   $ 18,658
          Printing of prospectus for other
          than current stockholders and
          printing of other sales materials ................     13,167
          Postage ..........................................      1,753
          
          Employee compensation and costs ..................    439,626
          Staff travel and expense .........................     33,592
          Rent and office expense ..........................     51,039
          Professional fees ................................      3,828
                                                               --------

                                        Total ..............   $561,663       
                                                               ========
</TABLE>


        Shay Financial Services, Inc., the Fund's Distributor, and its
affiliated persons, including Rodger D. Shay, who is a Director and the Chairman
of the Board and President of the Fund, and Edward E. Sammons Jr., who is a Vice
President, Secretary and Treasurer of the Fund, have a direct or indirect
financial interest in the operation of the Fund's Rule 12b-1 Plan and
related Distribution  Agreement. None of the Directors who are not interested
persons of the Fund have any direct or indirect financial interest in the
operation of the Fund's Rule 12b-1 Plan and related Distribution Agreement. 

        As discussed in the Fund's prospectus under the heading "Distributor",
the Fund has appointed the Distributor to act as the principal distributor of
the Fund's shares pursuant to the Distribution Agreement dated December 8,
1997  between the Fund and the Distributor (the "Distribution Agreement"). The
Distribution Agreement will continue in effect until March 1, 1999 and from
year to year thereafter, subject to termination by the Fund or the Distributor
as hereinafter provided, if approved at least annually by the Fund's Board of
Directors and by a majority of the directors who are not "interested persons"
of the Fund and have no direct or indirect financial interest in the
arrangements contemplated by the agreement.  The Fund's Rule 12b-1 Plan
requires the Fund's Board of Directors to make a quarterly review of the amount
expended under the agreement and the purposes for which such expenditures were
made.  The Rule 12b-1 Plan may not be amended to increase materially the amount
paid by the Fund thereunder without stockholder approval.  All material
amendments to the Rule 12b-1 Plan must be approved by the Fund's Board of
Directors and by the "disinterested" directors referred to above.  The Rule
12b-1 Plan will terminate automatically upon its assignment and is terminable
at any time without penalty by a majority of the Fund's directors who are
"disinterested" as described above or by a vote of a majority of the
outstanding shares (as defined under "General Information" in this Statement of
Additional Information) of each Portfolio affected thereby on 60  days' written
notice to the Distributor, or by the Distributor on 90 days' written notice to
the Fund.




                                     19



<PAGE>   91



                        DETERMINATION OF NET ASSET VALUE

     With respect to the Money Market Portfolio, the Fund relies on an
exemptive rule (Rule 2a-7) promulgated by the Securities and Exchange
Commission permitting the Fund to use the amortized cost procedure in valuing
the Money Market Portfolio's investments. This involves valuing an instrument
at its cost and thereafter assuming a constant amortization to maturity of any
discount or premium, regardless of the impact of fluctuating interest rates on
the market value of the instrument.  While this method provides certainty in
valuation, it may result in periods during which value, as determined by
amortized cost, is higher or lower than the price the Fund would receive if it
sold the instrument.  The Board of Directors of the Fund has determined that,
absent unusual circumstances, the amortized cost method of valuation will
fairly reflect the value of each stockholder's interest in the Portfolio and
that the Portfolio will continue to use such method only so long as the Board
of Directors believes that it fairly reflects the value of each stockholder's
interest.  As a condition to the use of the amortized cost method of valuation
pursuant to such exemptive rule, the Money Market Portfolio is required to
maintain a dollar-weighted average portfolio maturity of 90 days or less,
purchase instruments having remaining maturities of thirteen months or less
only, and invest only in securities determined by the Board of Directors to be
of eligible quality with minimal credit risks.  (See rating requirements under
"FDIC Insured Institutions" in this Statement of Additional Information.)  An
instrument which has a variable or floating rate of interest may be deemed
under certain circumstances to have a maturity equal to the longer of the
period remaining until the next readjustment of the interest rate or the period
remaining until the principal amount can be recovered through demand.

     The Board of Directors has established procedures reasonably designed,
taking into account current market conditions and the Portfolio's investment
objective, to stabilize the price per share of shares of the Money Market
Portfolio as computed for the purpose of distribution and redemption at $1.00.
Such procedures include review by the Board of Directors, as it may deem
appropriate and at such intervals as are reasonable in light of current market
conditions, of the deviation between the net asset value per share calculated
by using available indications of market value and the net asset value per
share using amortized cost values.  The Money Market Portfolio's investment
adviser has been delegated the authority to determine the market values of the
securities held by the Portfolio through use of its matrix pricing system,
provided that any changes in the methods used to determine market values are
reported to and reviewed by the Board of Directors.

     The extent of any deviation between the net asset value per share of the
Money Market Portfolio based upon available market quotations or market
equivalents and $1.00 per share based on amortized cost will be examined by the
Board of Directors.  If such deviation exceeds 1/2 of 1%, the Board of
Directors will promptly consider what action, if any, will be initiated.  In
the event the Board of Directors determines that a deviation exists that may
result in material dilution or other unfair results to investors or existing
stockholders, it shall take such corrective action as it deems appropriate to
eliminate or reduce to the extent reasonably practicable such dilution or
unfair results, including the sale of portfolio instruments prior to maturity
to realize
        
                                     20

<PAGE>   92


capital gains or losses or to shorten average portfolio maturity, withholding
dividends or payment of distributions from capital or capital gains,
redemptions of shares in kind, or establishing a net asset value per share by
using available market quotations.

     For purposes of determining the net asset value per share of the Short
Government Portfolio, its investments for which market quotations are readily
available will be valued at the mean between the most recent bid and asked
prices, which may be furnished by a pricing service, at prices provided
directly by market makers, or using matrix pricing methods.  Portfolio
securities for which market quotations are not readily available, and other
assets, will be valued at fair value using methods determined in good faith by
the Board of Directors.  Short-term instruments maturing within 60 days of the
valuation date may be valued based upon their amortized cost.  The Board of
Directors will review valuation methods regularly for the Short Government
Portfolio in order to determine their appropriateness.

                                     TAXES

     Each of the Fund's portfolios, including these Portfolios, is treated as a
separate corporation for Federal income tax purposes, and thus the provisions
of Subchapter M of the Internal Revenue Code of 1986, as amended (the "Code"),
applicable to regulated investment companies are applied to each portfolio
separately, rather than to the Fund as a whole.  In addition, net short-term
capital gains and losses, net investment income, and operating expenses are
determined separately for each portfolio.

     Each Portfolio intends to meet the requirements for qualifying as a
regulated investment company.  In order to so qualify the Portfolio must, among
other things:  (a) diversify its holdings so that, at the end of each fiscal
quarter, (i) at least 50% of the value of its total assets is represented by
cash, Government securities and other securities, including loans of Federal
Funds for the Money Market Portfolio only, with such other securities limited,
in respect of any one issuer, to an amount not greater than 5% of the value of
the Portfolio's assets or 10% of the outstanding voting securities of such
issuer, and (ii) not more than 25% of the value of its total assets is invested
in the securities of any one issuer (other than Government securities) and (b)
derive at least 90% of its gross income from dividends, interest, proceeds from
loans of stock and securities, gains from the sale or other disposition of
stock or securities, and other income derived with respect to its business of
investing in stock or securities.  If each Portfolio qualifies as a regulated 
investment company, it will not be subject to Federal income tax on its income
and gains distributed to shareholders, provided at least 90% of its investment
company taxable income earned in the taxable year (computed without regard to 
the deduction for dividends paid) is so distributed.

     Dividends of the Money Market Portfolio's net investment income (which
generally includes income net of operating expenses), and distributions of net
short-term capital gains are taxable to stockholders as ordinary income whether
reinvested in shares or paid in cash.



                                     21
<PAGE>   93



     Dividends of the Short Government Portfolio's net investment income (which
generally includes income other than capital gains, net of operating expenses),
and distributions of net short-term capital gains (i.e., the excess of net
short-term capital gains over net long-term capital losses) are taxable to
stockholders as ordinary income whether reinvested in shares or paid in cash.
Distributions of net long-term capital gains (i.e., the excess of net long-term
capital gains over net short-term capital losses) are taxable to stockholders
as long-term capital gains, regardless of how long shares of the Portfolio have
been held, whether reinvested in shares or paid in cash.  Under the Code, net
long-term capital gains received by corporate stockholders (including long-term
capital gain distributions by the Portfolio) are taxed at the same rates as
ordinary income.  Net long-term capital gains received by individual
stockholders (including long-term capital gain distributions by the Portfolio)
are generally taxed at a maximum rate of 28% (for assets held more than one
year, but less than 18 months) or 20% (for assets held more than 18 months.)

     Because none of either Portfolio's income will consist of dividends from
domestic corporations, dividends of net investment income as well as 
distributions of net long-term and short-term capital gains will not qualify 
for the dividends received deduction available to corporate shareholders. 

   
     Gain or loss realized upon a sale or redemption of shares of the Short
Government Portfolio by a stockholder who is not a dealer in securities will be 
treated as long-term capital gain or loss if the shares have been held for more
than one year (shares must be held for more than 18 months in order to receive
the 20% minimum tax rate on capital gains) and otherwise as short-term capital
gain or loss.  Any loss realized by a stockholder upon the sale of shares in
the Short Government Portfolio held six months or less will be treated as a
long-term capital loss, however, to the extent of any long-term capital gain
distributions received by the stockholder with respect to such shares.
    

     Any capital gains distribution received shortly after the purchase of
shares of the Short Government Portfolio reduces the net asset value of the
shares by the amount of the distribution and, although in effect a return of
capital, will be taxable to the stockholder.  If the net asset value of shares
of the Short Government Portfolio were reduced below the stockholder's cost by
distributions representing gains realized on sales of securities, such
distributions would be a return of investment though taxable in the same manner
as other dividends or distributions.

     Each Portfolio generally will be subject to a 4% nondeductible excise tax
to the extent the Portfolio does not meet certain minimum distribution
requirements by the end of each calendar year.  To avoid the imposition of the
4% excise tax, it may be necessary for a dividend to be declared in December
and actually paid in January of the following year, which will be treated as
having been received by stockholders on December 31 of the calendar year in
which declared. Under this rule, therefore, a stockholder may be taxed in one
year on dividends or distributions actually received in January of the
following year.
        
     Dividends and distributions may be subject to state and local taxes.

   
     The forgoing discussion is not intended to be a full discussion of
income tax laws and their effect on shareholders.  Investors should consult
their own tax advisors as to the tax consequences of ownership of shares. 
    

                                     22
<PAGE>   94

                             PORTFOLIO TRANSACTIONS

     Purchases and sales of securities for each Portfolio usually are principal
transactions.  Portfolio securities normally are purchased directly from the
issuer or from an underwriter or market maker for the securities.  There
usually, but not always, are no brokerage commissions paid by the Fund for such
purchases, and during the fiscal year ended October 31, 1997, the Fund paid no
brokerage commissions for either Portfolio.  Purchases from dealers serving as
market makers may include the spread between the bid and asked prices.  The
Adviser attempts to obtain the best price and execution for portfolio
transactions.

     Each Portfolio will not purchase securities from, sell securities to, or
enter into repurchase or reverse repurchase agreements with, the Adviser or any
of its affiliates.

     Allocation of transactions, including their frequency, to various dealers
is determined by the Adviser in its best judgment under the general supervision
of the Board of Directors of the Fund and in a manner deemed fair and
reasonable to stockholders.  The primary consideration is prompt execution of
orders in an effective manner at the best price.  On occasion the Adviser on
behalf of each Portfolio may effect securities transactions on an agency basis
with broker-dealers providing research services and/or research-related
products for the Fund.  Research services or research-related products may
include information in the form of written reports, reports accessed by
computers or terminals, statistical collations and appraisals and analysis
relating to companies or industries.  However, in selecting such
broker-dealers, the Adviser adheres to the primary consideration of best price
and execution.

     Investment decisions for each portfolio of the Fund are made independently
from those for the other portfolios or other clients advised by the Adviser.
It may happen, on occasion, that the same security is held in one portfolio of
the Fund and the other portfolios of one or more of such other clients.
Simultaneous transactions are likely when several portfolios and clients are
advised by the same investment adviser, particularly when a security is
suitable for the investment objectives of more than one of such portfolios or
clients.  When two or more portfolios or other clients advised by the Adviser
are simultaneously engaged in the purchase or sale of the same security, the
transactions are allocated to the respective portfolios or clients, both as to
amount and price, in accordance with a method deemed equitable to each
portfolio or client.  In some cases this system may adversely affect the price
paid or received by a portfolio of the Fund or the size of the security
position obtainable for such portfolio.

                            INVESTMENT RESTRICTIONS

     The Fund has adopted the following investment restrictions for each
Portfolio, none of which may be changed without the approval of a majority of
the outstanding shares of the Portfolio, as defined under "General Information"
in this Statement of Additional Information.  The restrictions are the same for
each Portfolio.  Accordingly, each Portfolio may not:


                                     23
<PAGE>   95

     (1) Purchase securities other than Eligible Investments.  In the event
that the OTS Regulations (as defined in the Prospectus) are amended to remove
assets from the list of assets which qualify as Eligible Investments, the Fund
will dispose of any nonqualifying assets held by the Portfolio in such time and
manner as may be permitted by relevant OTS Regulations or, if none, in such
time and manner as the Fund's Board of Directors may determine.  Conversely, if
the list of qualifying assets is expanded, such additional qualifying assets
will also constitute Eligible Investments and the Portfolio will be free to
make investments therein.

     (2) Invest more than 5% of its total assets in the securities of any one
issuer, other than securities issued or guaranteed by the United States
Government or its agencies or instrumentalities, except that up to 25% of the
value of the Portfolio's total assets may be invested without regard to this 5%
limitation.

     (3) Enter into repurchase agreements or purchase any other investments for
which market quotations are not readily available, in each case maturing in
more than 7 days if, as a result, more than 10% of the market value of its
total assets would be invested in such repurchase agreements and such other
illiquid investments.

     (4) Enter into reverse repurchase agreements exceeding in the aggregate
one-third of the market value of its total assets, less liabilities other than
the obligations created by reverse repurchase agreements.

     (5) Borrow money except from banks for temporary or emergency purposes and
in an amount not exceeding 10% of the value of its net assets, or mortgage,
pledge or hypothecate its assets except in connection with any such borrowing
and in amounts not in excess of 20% of the value of its net assets.  This
borrowing provision is not for investment leverage, but solely to facilitate
management of the Portfolio by enabling the Fund to meet redemption requests
when the liquidation of portfolio securities is considered to be
disadvantageous.  The Portfolio's net income will be reduced if the interest
expense of borrowings incurred to meet redemption requests and avoid
liquidation of portfolio securities exceeds the interest income of those
securities.  To the extent that borrowings exceed 5% of the value of the
Portfolio's net assets, such borrowings will be repaid before any investments
are made.  The Portfolio's ability to enter into reverse repurchase agreements
is not restricted by this paragraph (5).

     (6) Invest more than 25% of its total assets in the securities of issuers
in any single industry; provided that there shall be no such limitation on the
purchase of obligations issued or guaranteed by the United States Government or
its agencies or instrumentalities, or time deposits (including certificates of
deposit), savings deposits and bankers' acceptances of United States branches
of United States banks.

     (7) Act as an underwriter of securities, except to the extent that the
Fund may be deemed to be an "underwriter" in connection with the purchase of
securities for the Portfolio directly from an issuer or an underwriter thereof.


                                     24
<PAGE>   96

     (8) Make loans except that the Portfolio may purchase or hold debt
obligations, enter into repurchase agreements and loan Federal funds and other
day(s) funds to FDIC Insured Institutions (as defined in the Prospectus), in
each case to the extent permitted by the Fund's investment objective and
management policies.

     (9) Purchase securities on margin or make short sales of securities; write
or purchase put or call options or combinations thereof; or purchase or sell
real estate, real estate mortgage loans, real estate investment trust
securities, commodities or commodity contracts, or oil and gas interests.

     For purposes of investment restrictions (2) and (6) above as applicable to
the Money Market Portfolio, the Fund considers loans of Federal funds to be
cash equivalents and not securities for purposes of diversification.


                  ORGANIZATION AND DESCRIPTION OF FUND SHARES

     The authorized capital stock of the Fund consists of five classes of
common stock, par value $.001 per share, as follows:  (i) Money Market
Portfolio -- 4.0 billion shares, (ii) Short Government Portfolio -- 500 million
shares, (iii) U.S. Government Mortgage Securities Portfolio -- 500 million
shares, (iv) Intermediate Mortgage Securities Portfolio -- 500 million shares,
and (v) Adjustable Rate Mortgage (ARM) Portfolio -- 500 million shares.  The
shares of each class represent interests only in the corresponding portfolio.
When issued and paid for in accordance with the terms of offering, each share
is fully paid and nonassessable.  All shares of common stock of the same class
have equal dividend, distribution, liquidation and voting rights and are
redeemable at net asset value, at the option of the stockholder.  In addition,
the shares have no preemptive, subscription or conversion rights and are freely
transferable.

     Rule 18f-2 under the 1940 Act provides that any matter required to be
submitted by the provisions of such Act or applicable state law, or otherwise,
to the holders of the outstanding voting securities of an investment company
such as the Fund shall not be deemed to have been effectively acted upon unless
approved by the holders of a majority of the outstanding shares (as defined
under "General Information" in this Statement of Additional Information) of
each class affected by such matter.  Rule 18f-2 further provides that a class
shall be deemed to be affected by a matter unless it is clear that the
interests of each class in the matter are identical or that the matter does not
affect any interest of such class.  However, the Rule exempts the selection of
independent accountants and the election of directors from the separate voting
requirements of the Rule.
        

                                     25
<PAGE>   97


                      COUNSEL AND INDEPENDENT ACCOUNTANTS

     Vedder, Price, Kaufman & Kammholz are legal counsel to the Fund and pass
upon the validity of the shares offered by the Prospectus.

     Coopers & Lybrand L.L.P. have been selected as the Fund's independent
accountants.  The financial statements of each Portfolio incorporated in this
Statement of Additional Information by reference to the Fund's Annual Report to
Stockholders for the year ended October 31, 1997 (see "Financial Statements"
below) have been so incorporated in reliance on the report of Coopers & Lybrand
L.L.P., given on the authority of such firm as experts in accounting and
auditing.


                              GENERAL INFORMATION

     The Fund sends to all of the stockholders of each Portfolio semi-annual
reports and annual reports, including a list of investment securities held by
the Portfolio, and, for annual reports, audited financial statements of each
Portfolio.

     As used in each Prospectus and this Statement of Additional Information,
the term "majority," when referring to the approvals to be obtained from
stockholders, means the vote of the lesser of (1) 67% of the Fund's shares of
each class or of the class entitled to a separate vote present at a meeting if
the holders of more than 50% of the outstanding shares of all classes or of the
class entitled to a separate vote are present in person or by proxy, or (2)
more than 50% of the Fund's outstanding shares of all classes or of the class
entitled to a separate vote.  The Bylaws of the Fund provide that an annual
meeting of stockholders is not required to be held in any year in which none of
the following is required to be acted on by stockholders pursuant to the 1940
Act:  election of directors; approval of the investment advisory agreement;
ratification of the selection of independent public accountants; and approval
of a distribution agreement.

     In January 1984, the Fund changed its name from Liquidity Fund for
Thrifts, Inc. to Asset Management Fund for Savings Institutions, Inc.  In
February 1990, the Fund changed its name from Asset Management Fund for Savings
Institutions, Inc. to Asset Management Fund for Financial Institutions, Inc.
In September 1994, the Fund changed its name from Asset Management Fund for
Financial Institutions, Inc. to Asset Management Fund, Inc. In September 1994,
the Money Market Portfolio changed its name from Short-Term Liquidity Portfolio
to its present name and the Short Government Portfolio changed its name from
Intermediate-Term Liquidity Portfolio to its present name.
        
     The Prospectus and this Statement of Additional Information do not contain
all the information included in the Registration Statement filed with the
Securities and Exchange Commission under the Securities Act of 1933 with
respect to the securities offered hereby, certain portions of which have been
omitted pursuant to the rules and regulations of the 



                                     26
<PAGE>   98


Securities and Exchange Commission.  The Registration Statement, including the
exhibits filed therewith, may be examined at the office of the Securities and
Exchange Commission in Washington, D.C.                          
        
     Statements contained in the Prospectus and this Statement of Additional
Information as to the contents of any contract or other document referred to
are not necessarily complete, and, in each instance, reference is made to the
copy of such contract or other document filed as an exhibit to the Registration
Statement of which the Prospectus and this Statement of Additional Information
form a part, each such statement being qualified in all respects by such
reference.


                              FINANCIAL STATEMENTS

     The financial statements required to be included in this Statement of
Additional Information are incorporated herein by reference to the Fund's
Annual Report to Stockholders for the year ended October 31, 1997 (the "Annual
Report").  The Fund will provide the Annual Report without charge to each
person to whom this Statement of Additional Information is delivered.


                                     27


<PAGE>   99
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                               TABLE OF CONTENTS


<TABLE>
<CAPTION>
                                                                  PAGE
                                                                  ----
         <S>                                                    <C>
         THE FUND'S OBJECTIVE, THE PORTFOLIOS
                 AND THEIR INVESTMENT POLICIES                       2

         PURCHASE AND REDEMPTION OF SHARES                           4

         DIVIDENDS, DISTRIBUTIONS, YIELD
                 AND TOTAL RETURN QUOTATIONS                         5

         MANAGEMENT OF THE FUND                                      7

         INVESTMENT ADVISER AND ADMINISTRATOR                       13

         DISTRIBUTOR                                                18

         DETERMINATION OF NET ASSET VALUE                           20

         TAXES                                                      21

         PORTFOLIO TRANSACTIONS                                     23

         INVESTMENT RESTRICTIONS                                    23

         ORGANIZATION AND DESCRIPTION OF FUND SHARES                25

         COUNSEL AND INDEPENDENT ACCOUNTANTS                        26

         GENERAL INFORMATION                                        26

         FINANCIAL STATEMENTS                                       27
</TABLE>




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                             MONEY MARKET PORTFOLIO

                                      and

                   SHORT U.S. GOVERNMENT SECURITIES PORTFOLIO




                          Asset Management Fund, Inc.






                            ________________________




                            STATEMENT OF ADDITIONAL

                                  INFORMATION




                                 March 1, 1998




                            ________________________




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