MASTERWORKS FUNDS INC
485APOS, 1998-11-20
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<PAGE>
 
             As filed with the Securities and Exchange Commission
                             on November 19, 1998
                      Registration No. 33-54126; 811-7332

                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549
                      ----------------------------------
                                   FORM N-1A

          REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 [ ]

                        Post-Effective Amendment No. 18           [X]

                                      And

      REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 [ ]

                               Amendment No. 22             [X]

                       (Check appropriate box or boxes)

                           ________________________

                             MASTERWORKS FUNDS INC.
                          (formerly, Stagecoach Inc.)
                                        
               (Exact Name of Registrant as specified in Charter)
                               111 Center Street
                          Little Rock, Arkansas  72201
          (Address of Principal Executive Offices, including Zip Code)

      Registrant's Telephone Number, including Area code:  (800) 643-9691

                             Richard H. Blank, Jr.
                               c/o Stephens Inc.
                               111 Center Street
                          Little Rock, Arkansas  72201
                    (Name and Address of Agent for Service)

                                With a copy to:
                            Robert M. Kurucza, Esq.
                             Marco E. Adelfio, Esq.
                            Morrison & Foerster LLP
                         2000 Pennsylvania Avenue, N.W.
                            Washington, D.C.  20006

It is proposed that this filing will become effective (check appropriate box):

[ ] Immediately upon filing pursuant          [ ] on _________ pursuant
    to Rule 485(b), or                            to Rule 485(b)

[X] 60 days after filing pursuant             [ ] on _________ pursuant
    to Rule 485(a)(1), or                         to Rule 485(a)(1)

[ ] 75 days after filing pursuant             [ ] on ___________pursuant
    to Rule 485(a)(2), or                         to Rule 485(a)(2)


If appropriate, check  the following box:

[ ] this post-effective amendment designates a new effective date for a
    previously filed post-effective amendment.

This Post-Effective Amendment to the Registrant's Registration Statement has
been executed by Master Investment Portfolio (a registered investment company
with separate series in which certain of the Registrant's series invest
substantially all of their assets) and its trustees and principal officer.
<PAGE>
 
                                EXPLANATORY NOTE
                                ----------------

       This Post-Effective Amendment No. 18 (the "Amendment") to the
   Registration Statement of MasterWorks Funds Inc. (the "Company") is being
   filed to add to the Company's Registration Statement new Class R shares for
   the LifePath 2000, LifePath 2010, LifePath 2020, LifePath 2030, LifePath 2040
   and Asset Allocation Funds.
<PAGE>
 
                             Cross Reference Sheet
                             ---------------------

                               MONEY MARKET FUND
                               -----------------
                                        

Form N-1A Item Number
- ---------------------

Part A      Prospectus Captions
- ------      -------------------

 1          Cover Page
 2          Prospectus Summary;  Summary of Fund Expenses
 3          Financial Highlights
 4          The Fund
            Management of the Fund
            General Information
            Appendix - Additional Investment Policies
 5          Prospectus Summary
            Management of the Fund
 6          Management of the Fund
            Dividends and Distributions
            Taxes
            General Information
 7          How to Buy Shares
            Exchange Privilege
            Share Value
 8          How to Redeem Shares
 9          Not Applicable

Part B      Statement of Additional Information Captions
- ------      --------------------------------------------

10          Cover Page
11          Table of Contents
12          General Information
            Other
13          Investment Restrictions
            Additional Permitted Investment Activities
            Appendix
14          Management
15          Management
16          Management
            Independent Auditors
            Counsel
17          Portfolio Transactions
18          Capital Stock
19          Determination of Net Asset Value
            Purchase and Redemption of Shares
20          Taxes
21          Management
22          Performance Information
23          Financial Information

Part C      General Information
- ------      -------------------

24-32       Information required to be included in Part C is set forth under the
            appropriate Item, so numbered, in Part C of this Document.
<PAGE>
    
  MasterWorks Funds Inc. (the "Company") is an open-end, management investment
company. This Prospectus contains information about Class R shares of five of
the Company's funds -- the LIFEPATH FUNDS (collectively, the "Funds" or the
"LifePath Funds").      
     
  Please read this Prospectus before investing and retain it for future
reference. It sets forth concisely the information about the Funds that an
investor should know before investing. A Statement of Additional Information
("SAI") dated January 18, 1999 describing the Funds has been filed with the
Securities and Exchange Commission ("SEC") and is incorporated by reference
into this Prospectus. The SAI is available without charge by calling the
Company at 1-888-204-3956 or by writing the Company at the address printed on
the back of the Prospectus. The SAI and other Fund information is also
available on the SEC's Website (http://www.sec.gov).      
 
                            ----------------------
 
AS WITH ALL MUTUAL FUNDS, THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAP-
PROVED BY THE SECURITIES AND EXCHANGE COMMISSION, ANY STATE SECURITIES COMMIS-
SION OR ANY OTHER REGULATORY AUTHORITY, NOR HAVE ANY OF THESE AUTHORITIES
PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO
THE CONTRARY IS A CRIMINAL OFFENSE.
 
                            ----------------------
 
FUND SHARES ARE NOT DEPOSITS OR OTHER OBLIGATIONS OF, OR ISSUED, ENDORSED OR
GUARANTEED BY, BARCLAYS GLOBAL INVESTORS, N.A., INVESTORS BANK & TRUST, CO. OR
ANY OF THEIR AFFILIATES. SUCH SHARES ARE NOT INSURED BY THE U.S. GOVERNMENT,
THE FEDERAL DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY
OTHER GOVERNMENT AGENCY. AN INVESTMENT IN A FUND INVOLVES CERTAIN INVESTMENT
RISKS, INCLUDING POSSIBLE LOSS OF PRINCIPAL.
 
                            MASTERWORKS FUNDS INC.
 
                              LIFEPATH 2000 FUND
                              LIFEPATH 2010 FUND
                              LIFEPATH 2020 FUND
                              LIFEPATH 2030 FUND
                              LIFEPATH 2040 FUND
                                  
                                CLASS R SHARES      

HOW THE FUNDS WORK
 
The five LifePath Funds represent a family of funds with different strategies
for investing toward future goals. The numbers in the Funds' names are target
dates; the nearer its target date the more conservatively each Fund invests.
Over time, each LifePath Fund generally will reduce its investment in stocks
and increase its investment in bonds and money market instruments.
 
                                  PROSPECTUS
                                   
                               JANUARY 18, 1999      
 

<PAGE>
 
  Each Fund invests all of its assets in a separate series (each, a "Master
Portfolio") of Master Investment Portfolio ("MIP"), an open-end, management
investment company. Each Fund has the same investment objective as the corre-
sponding Master Portfolio and each Fund's investment experience corresponds
directly with the relevant Master Portfolio's investment experience. Refer-
ences to the investments, investment policies and risks of the Funds, unless
otherwise indicated, should be understood as references to the investments,
investment policies and risks of the corresponding Master Portfolio. Interests
in a Master Portfolio may be purchased only by investment companies or accred-
ited investors.
 
  Each LifePath Fund invests in a wide range of U.S. and foreign equity and
debt securities and money market instruments. Investors are encouraged to se-
lect a particular LifePath Fund based on the decade of their anticipated re-
tirement or when they anticipate beginning to withdraw substantial portions of
their investment.
 
  . LIFEPATH 2000 FUND is managed for investors planning to retire (or begin
to withdraw substantial portions of their investment) approximately in the
year 2000.
 
  . LIFEPATH 2010 FUND is managed for investors planning to retire (or begin
to withdraw substantial portions of their investment) approximately in the
year 2010.
 
  . LIFEPATH 2020 FUND is managed for investors planning to retire (or begin
to withdraw substantial portions of their investment) approximately in the
year 2020.
 
  . LIFEPATH 2030 FUND is managed for investors planning to retire (or begin
to withdraw substantial portions of their investment) approximately in the
year 2030.
 
  . LIFEPATH 2040 FUND is managed for investors planning to retire (or begin
to withdraw substantial portions of their investment) approximately in the
year 2040.
 
  Shares of each Fund are sold to qualified investors without a sales charge.
Investors can invest, reinvest or redeem Fund Shares at any time without
charge or penalty imposed by the Fund.
 
                            ----------------------
 
BARCLAYS  GLOBAL FUND  ADVISORS SERVES  AS  INVESTMENT ADVISER  TO THE  MASTER
 PORTFOLIOS. BARCLAYS GLOBAL  FUND ADVISORS AND  ITS AFFILIATES PROVIDE OTHER
 SERVICES TO  THE FUNDS AND MASTER  PORTFOLIOS FOR WHICH THEY MAY  BE COMPEN-
  SATED. STEPHENS INC., WHICH IS NOT  AFFILIATED WITH THE ADVISER OR ANY AF-
  FILIATE THEREOF, SERVES AS  THE COMPANY'S CO-ADMINISTRATOR AND AS DISTRIB-
   UTOR OF EACH FUND'S SHARES.

<PAGE>
 
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                          PAGE
                                                                        --------
<S>                                                                     <C>
Prospectus Summary.....................................................     1
Summary of Fund Expenses...............................................     6
Description of the Funds...............................................    11
Management of the Funds................................................    21
How to Buy Shares......................................................    24
How to Redeem Shares...................................................    28
Exchange Privilege.....................................................    32
Share Value............................................................    33
Dividends and Distributions............................................    33
Taxes..................................................................    34
General Information....................................................    35
<CAPTION>
                                                                        APPENDIX
                                                                        --------
<S>                                                                     <C>
Additional Investment Policies.........................................   A-1
</TABLE>

<PAGE>
 
 
                              PROSPECTUS SUMMARY
 
  The following summary provides investors with basic information about the
Funds. For more information, please refer specifically to the identified Pro-
spectus sections and generally to the Prospectus and SAI.
 
Q.  WHO CAN INVEST IN THE FUNDS?
 
A.  Shares of the Funds are offered primarily to a select group of investors.
    These include:
 
  .  Participants in employee benefit plans ("Benefit Plans"), including re-
     tirement plans, who have appointed one of the Company's Shareholder
     Servicing Agents as plan trustee, plan administrator or other agent, or
     whose plan trustee, plan administrator or other agent has a servicing
     arrangement with a Shareholder Servicing Agent that permits investments
     in Fund shares, and individuals who invest pursuant to an agreement be-
     tween a Benefit Plan and a Shareholder Servicing Agent.
 
  .  Investors using proceeds that are being rolled over directly from a
     qualified Benefit Plan to an Individual Retirement Account ("IRA") pur-
     suant to arrangements between the sponsor or other agent of the quali-
     fied Benefit Plan and a Shareholder Servicing Agent, or who have estab-
     lished a tax-deferred retirement plan with a Shareholder Servicing
     Agent.
 
  .  Investors who have an account arrangement with one of the Company's
     Shareholder Servicing Agents that permits investments in Fund shares.
 
           
    See "How To Buy Shares."
 
Q.  WHAT ARE SOME OF THE KEY FEATURES OF THE FUNDS?
 
A.  Each LifePath Fund seeks to provide investors with an asset allocation
    strategy designed to maximize assets for retirement or for other purposes
    consistent with the quantitatively measured risk investors, on average,
    may be willing to accept given their investment time horizons. The
    LifePath Funds follow an asset allocation strategy among three broad in-
    vestment classes: equity and debt securities of domestic and foreign is-
    suers and cash in the form of money market instruments.
 
 
                                       1

<PAGE>
 
    The Funds contain both "strategic" and "tactical" components. The 
    strategic component evaluates the risk that investors, on average, 
    may be willing to accept given their investment time horizons. The 
    tactical component addresses short-term market conditions.
 
    See "Description of the Funds -- Management Policies."
 
Q.  WHAT HAPPENS TO THE LIFEPATH 2000 FUND WHEN IT REACHES ITS TARGET DATE?
 
A.  The LifePath 2000 Fund will not terminate when it reaches its target date
    on the first day of the year 2000. Instead, the Fund will enter its
    "retirement phase" during which it will seek to maximize assets consistent
    with the risk that an average investor in retirement may be willing to
    accept. The Fund will continue to follow an asset allocation strategy
    among three broad investment classes: equity and debt securities of
    domestic and foreign issuers and cash in the form of money market
    instruments. However, unlike the remaining LifePath Funds with target
    dates, during its retirement phase a LifePath Fund will no longer reduce
    its investment risk through time. Instead, the Fund is expected to have a
    long-term average mix of approximately 20% equity securities, with the
    remainder in debt securities and some cash. In the same manner as all
    LifePath Funds, a Fund in its retirement phase will continue to employ a
    tactical asset allocation component, which will alter the investment mix
    to account for changing expected risks and opportunities. When other
    LifePath Funds reach their target date, it is expected that they will be
    combined with the retirement phase Fund under the same investment
    strategy.
 
Q.  WHAT ARE SOME OF THE POTENTIAL RISKS ASSOCIATED WITH AN INVESTMENT IN THE
    FUNDS?
 
A.  Investments in the Funds are not bank deposits or obligations of Barclays
    Global Fund Advisors ("BGFA") or BGI and are not insured by the Federal
    Deposit Insurance Corporation ("FDIC"). Investments in the Funds are not
    insured or guaranteed against loss of principal. When the value of the
    portfolio securities in which the Funds invest declines, so does the value
    of Fund shares. Therefore, investors should be prepared to accept some
    risk with the money invested in the Funds.
 
                                       2

<PAGE>
 
    The portfolio equity securities held by each Fund are subject to equity
    market risk. Equity market risk is the possibility that common stock
    prices will decline over short or even extended periods. The U.S. stock
    market tends to be cyclical, with periods when stock prices generally rise
    and periods when stock prices generally decline. Throughout the first six
    months of 1998, the stock market, as measured by the S&P 500 Index and
    other commonly used indices, was trading at or close to record levels.
    There can be no guarantee that these levels will continue.
   
    The portfolio debt instruments held by the Funds are subject to credit
    risk and interest rate risk. Credit risk is the risk that issuers of the
    debt instruments in which the Funds invest may default on the payment of
    principal and/or interest. Interest rate risk is the risk that increases
    in market interest rates may adversely affect the value of certain debt
    instruments in which the Funds may invest. The value of the Funds' debt
    instruments generally changes inversely to changes in market interest
    rates.
   
    Debt securities with longer maturities, which tend to produce higher
    yields, are subject to potentially greater price fluctuation than obliga-
    tions with shorter maturities. Fluctuations in the market value of fixed
    income securities can be reduced, but not eliminated, by variable-rate or
    floating-rate features. In addition, some of the asset-backed securities
    in which the Funds invest are subject to extension risk. This is the risk
    that when interest rates rise, prepayments of the underlying obligations
    slow, thereby lengthening the duration and potentially reducing the value
    of these securities.
   
    The Funds also may engage in certain futures contract transactions which
    have other risks associated with them. As with all mutual funds, there can
    be no assurance that the Funds will achieve their respective investment
    objectives.
   
    See "Description of the Funds -- Risk Considerations" and "Appendix -- 
    Additional Investment Policies."
 
Q.  HOW DO I INVEST IN THE FUNDS?
 
A.  Shares of the Funds can be purchased by establishing an account arrange-
    ment with a designated Shareholder Servicing Agent. Shares may be pur-
    chased at net asset value on any day the Funds are open for business (a
    "Business Day"). The Funds are open for business Monday through Friday and
    are closed on standard New York Stock Exchange ("NYSE") holidays.
 
                                       3

<PAGE>
 
    To invest in the Funds contact a Shareholder Servicing Agent to receive
    information and an Account Application. An Account Application must be
    completed and signed to open an account.
 
    See "How to Buy Shares."
 
Q.  WHO MANAGES MY INVESTMENTS?
 
A.  BGFA, as the investment adviser to the Master Portfolios, manages the in-
    vestments of each Master Portfolio. The Company has not retained the serv-
    ices of a separate investment adviser for the Funds because each Fund in-
    vests all of its assets in the corresponding Master Portfolio. As of April
    30, 1998, BGFA and its affiliates provided investment advisory services
    for approximately $575 billion of assets.
 
    See "Management of the Funds."
 
Q.  WHAT ARE THE FEES FOR INVESTING?
 
A.  Unlike certain other mutual funds which charge sales loads or other trans-
    action fees, the Funds do not impose shareholder transaction fees on the
    purchase, redemption or exchange of their shares. Shareholder Servicing
    Agents, in accordance with the terms of their customer account arrange-
    ments, may charge additional fees for maintaining customer accounts.
 
    See "Management of the Funds."
 
Q.  HOW ARE THE FUNDS' INVESTMENTS VALUED?
 
A.  The price per share or "net asset value" ("NAV") of each Fund is based on
    the net asset value of interests in the corresponding Master Portfolio.
    The net asset value of interests in a Master Portfolio is based on the to-
    tal value of the portfolio securities owned by the Master Portfolio (plus
    cash and other assets net of liabilities) and the number of outstanding
    interests in the Master Portfolio. A new net asset value for each Fund and
    Master Portfolio is calculated on each Business Day.
 
    See "Share Value."
 
Q.  DO THE FUNDS PAY DIVIDENDS?
 
A.  Each Fund intends to pay quarterly dividends consisting of substantially
    all of its net investment income and annual distributions consisting of
    substantially all of its net realized capital gains. All divi-
 
                                       4

<PAGE>
     
    dends and distributions attributable to Class R shares are automatically
    reinvested at NAV in Class R shares of the Fund paying the dividend or
    distribution, unless payment in cash is requested and your arrangement with
    a Shareholder Servicing Agent permits the processing of cash payments. Each
    reinvestment increases the total number of shares held by the investor. 
         
    See "Dividends and Distributions."
 
Q.  ARE EXCHANGES TO OTHER FUNDS PERMITTED?
     
A.  Yes. The exchange privilege enables an investor to exchange Class R shares
    for Class R shares of another fund offered by the Company provided such
    shares are offered for sale in the investor's state of residence.      

    See "Exchange Privilege."
 
Q.  HOW DO I REDEEM SHARES?
 
A.  Shares of the Funds may be redeemed at NAV without the imposition of a
    sales charge or redemption fee on any Business Day by letter or by tele-
    phone (provided you have completed the "Redemption by Telephone" portion
    of your account application). For more information contact Stephens Inc.
    ("Stephens") or your Shareholder Servicing Agent.
 
    See "How to Redeem Shares."
 
                                       5

<PAGE>
 
                           SUMMARY OF FUND EXPENSES
 
                        ANNUAL FUND OPERATING EXPENSES
                 (as a percentage of average daily net assets)
 
<TABLE>    
<CAPTION>
                                   LIFEPATH LIFEPATH LIFEPATH LIFEPATH LIFEPATH
                                     2000     2010     2020     2030     2040
                                     FUND     FUND     FUND     FUND     FUND
                                   -------- -------- -------- -------- --------
<S>                                <C>      <C>      <C>      <C>      <C>
Management Fees/1/................  0.55%    0.55%    0.55%    0.55%    0.55%
Co-Administration Fees............  0.40%    0.40%    0.40%    0.40%    0.40%
12b-1 Fees........................  0.25%    0.25%    0.25%    0.25%    0.25%
                                    ----     ----     ----     ----     ----
TOTAL FUND OPERATING EXPENSES.....  1.20%    1.20%    1.20%    1.20%    1.20%
</TABLE>      
- -----------
    
/1/A portion of these fees is covered by a "defensive" Rule 12b-1 Plan of Dis-
   tribution that does not result in additional expenses to the Funds or Mas-
   ter Portfolios. (See "Management of the Funds -- MIP 12b-1 Plan" for further
   information.)      
 
EXAMPLE OF EXPENSES
    
  An investor would pay the following expenses on a $1,000 investment in Class R
shares of a Fund, assuming (1) 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>
LifePath 2000 Fund..............................  $       $       $       $   
LifePath 2010 Fund..............................  $       $       $       $
LifePath 2020 Fund..............................  $       $       $       $   
LifePath 2030 Fund..............................  $       $       $       $
LifePath 2040 Fund..............................  $       $       $       $   
</TABLE>      
- -------------------------------------------------------------------------------
 
  THE AMOUNTS LISTED IN THE EXAMPLE REPRESENT A HYPOTHETICAL ILLUSTRATION OF
THE EXPENSES ASSOCIATED WITH A $1,000 INVESTMENT OVER STATED PERIODS, BASED ON
THE EXPENSES IN THE ABOVE TABLE AND AN ASSUMED ANNUAL RATE OF RETURN OF 5%.
THIS ANNUAL RATE OF RETURN SHOULD NOT BE CONSIDERED AN INDICATION OF ACTUAL OR
EXPECTED PERFORMANCE OF A FUND NOR A REPRESENTATION OF PAST OR FUTURE EX-
PENSES; ACTUAL EXPENSES AND RETURNS MAY BE GREATER OR LESS THAN THOSE SHOWN.
- -------------------------------------------------------------------------------
 
EXPLANATION OF TABLES
 
  The purpose of the foregoing tables is to assist investors in understanding
the various costs and expenses borne by a Fund and a Master
 
                                       6

<PAGE>
 
Portfolio. The fee table reflects expenses at both the Fund and Master Portfo-
lio levels. The tables do not reflect any charges that may be imposed by
shareholder servicing agents or selling agents, including BGI, directly on
customer accounts in connection with an investment in a Fund. Long-term share-
holders of the Funds could pay more in sales charges than the economic equiva-
lent of the maximum front-end sales charges applicable to mutual funds sold by
members of the National Association of Securities Dealers, Inc. ("NASD").
     
  Annual Fund Operating Expenses are based on contract amounts and reflect
expenses currently payable by the Funds. BGFA, BGI and Stephens at their sole
discretion may waive or reimburse all or a por-tion of their respective fees
charged to, or expenses paid by, a Fund or Mas-ter Portfolio. Any waivers or
reimbursements would reduce a Fund's or Master Portfolio's total expenses and
accordingly, have a favorable impact on its performance. For more complete
descriptions of the various costs and expenses you can expect to incur as an
investor in the Funds, please see "Management of the Funds."      
 
  With regard to the combined fees and expenses of the Funds and Master Port-
folios, the Company's Board of Directors has considered whether the various
costs and benefits of investing each Fund's assets in the corresponding Master
Portfolio rather than directly in a portfolio of securities would be more or
less than if the Fund invested in portfolio securities directly. The Company's
Board of Directors believes that the aggregate per share expenses of a Fund
and its corresponding Master Portfolio will be less than or approximately
equal to the expenses such Fund would incur if it directly acquired and man-
aged the type of securities held by its corresponding Master Portfolio. The
Company's Board of Directors believes that if other investors invest their as-
sets in the Master Portfolios, certain economic efficiencies may be realized
with respect to the Master Portfolios. For example, fixed expenses that other-
wise would have been borne solely by a Fund would be spread across a larger
asset base provided by more than one fund investing in a Master Portfolio.
There can be no assurance that these economic efficiencies will be achieved.
 
  Other mutual funds and accredited investors may invest in the Master Portfo-
lios. The expenses and, accordingly, the investment returns of such other mu-
tual funds may differ from those of the Funds. Information about other invest-
ment options in the Master Portfolios may be obtained by calling Stephens at
1-800-643-9691.
 
                                       7

<PAGE>
 
                           DESCRIPTION OF THE FUNDS
 
GENERAL
 
  Each LifePath Fund invests all of its assets in a separate Master Portfolio
of MIP with the same investment objective as the Fund. For simplicity, refer-
ences to the investments and investment policies and risks of the Funds, un-
less otherwise indicated, should be understood as references to the invest-
ments and investment policies and risks of the Master Portfolios.
 
INVESTMENT OBJECTIVES
 
  Each LifePath Fund seeks to provide long-term investors with an asset allo-
cation strategy designed to maximize assets for retirement or for other pur-
poses consistent with the quantitatively measured risk that investors, on av-
erage, may be willing to accept given their investment time horizons. Specifi-
cally:
 
  . LifePath 2000 Fund is managed for investors planning to retire (or begin
    to withdraw substantial portions of their investment) approximately in
    the year 2000.
 
  . LifePath 2010 Fund is managed for investors planning to retire (or begin
    to withdraw substantial portions of their investment) approximately in
    the year 2010.
 
  . LifePath 2020 Fund is managed for investors planning to retire (or begin
    to withdraw substantial portions of their investment) approximately in
    the year 2020.
 
  . LifePath 2030 Fund is managed for investors planning to retire (or begin
    to withdraw substantial portions of their investment) approximately in
    the year 2030.
 
  . LifePath 2040 Fund is managed for investors planning to retire (or begin
    to withdraw substantial portions of their investment) approximately in
    the year 2040.
 
  The differences in objectives and policies among the Master Portfolios de-
termine the types of portfolio securities in which each Master Portfolio in-
vests and can be expected to affect the degree of risk to which each Master
Portfolio and, therefore, the corresponding Fund, is subject and the perfor-
mance of each Master Portfolio and Fund.
 
                                      8 
<PAGE>
 
ABOUT THE FUNDS
 
  Investors are encouraged to invest in a particular LifePath Fund based on
the decade of anticipated retirement or when such investors anticipate begin-
ning to withdraw substantial portions of their account. For example, the
LifePath 2000 Fund is designed for investors in their 50s and 60s who plan to
retire (or begin to withdraw substantial portions of their investment) in ap-
proximately 2000; the LifePath 2010 Fund is designed for investors in their
40s and 50s who plan to retire (or begin to withdraw as described above) in
approximately 2010; and so on. In addition, when making an investment deci-
sion, investors should evaluate their individual risk profile, recognizing,
for example, that the LifePath 2040 Fund is designed for investors with a high
tolerance for risk while the LifePath 2000 Fund is designed for investors with
a low tolerance for risk. The LifePath Funds were the first mutual funds of
their kind to offer a flexible investment strategy designed to change over
specific time horizons.
 
  The LifePath Funds follow an asset allocation strategy among three broad in-
vestment classes: equity securities and debt instruments of issuers located
throughout the world and cash in the form of money market instruments. Each
LifePath Fund invests varying percentages of its portfolio in equity securi-
ties, debt instruments and money market instruments. The later-dated Funds
tend to be more heavily invested in equity securities and generally bear more
risk than the earlier-dated Funds. The later-dated Funds generally have an ex-
pectation of greater total return. The investment class weightings of the
LifePath 2040 Fund at a given time might be 100%, 0% and 0% among equity secu-
rities, debt securities and cash, respectively, while the weightings of the
LifePath 2000 Fund might be 25%, 50% and 25%, respectively. These weightings
will change periodically. The difference in the investment class weightings is
based on the statistically determined risk that investors, on average, may be
willing to accept given their investment time horizons in an effort to maxi-
mize assets in anticipation of retirement or for other purposes. As each
LifePath Fund approaches its designated time horizon, it generally is managed
more conservatively, on the premise that individuals investing for retirement
desire to reduce investment risk in their retirement accounts as they age.
 
                                       9

<PAGE>
  As of June 1, 1998, asset allocations in the LifePath Funds were approxi-
mately as follows:
 
 
<TABLE>
<CAPTION>
                                    LIFEPATH LIFEPATH LIFEPATH LIFEPATH LIFEPATH
                                      2000     2010     2020     2030     2040
                                    -------- -------- -------- -------- --------
  <S>                               <C>      <C>      <C>      <C>      <C>
  Equity Securities
   Domestic........................  16.84%   36.74%   54.05%   65.13%   79.53%
   International...................   5.26%    9.92%   14.45%   19.00%   19.76%
  Debt Securities..................  54.73%   44.51%   26.84%   13.36%    0.00%
  Cash.............................  23.17%    8.83%    4.66%    2.51%    0.71%
</TABLE>
 
 
  The relative weightings for each LifePath Master Portfolio of the various
investment classes are expected to change over time, with the LifePath 2040
Master Portfolio adopting in the 2030s characteristics similar to the LifePath
2000 Master Portfolio today. BGFA may in the future refine the Model, or the
financial and economic data analyzed by the Model, in ways that could result
in changes to recommended allocations.
 
MANAGEMENT POLICIES
 
  The LifePath Funds contain both "strategic" and "tactical" components, with
the strategic component weighted more heavily than the tactical component. The
strategic component of the Funds evaluates the risk that investors, on aver-
age, may be willing to accept given their investment time horizons. The stra-
tegic component thus determines the changing investment risk level of each
LifePath Fund as time passes. The tactical component addresses short-term mar-
ket conditions. The tactical component thus adjusts the amount of investment
risk taken by each LifePath Fund without regard to time horizon, but rather in
consideration of the relative risk-adjusted short-term attractiveness of vari-
ous asset classes.
 
  The LifePath Funds may invest in a wide range of U.S. and foreign invest-
ments and market sectors and may shift their allocations among investments and
sectors from time to time. To manage the LifePath Funds, BGFA employs a pro-
prietary investment model (the "Model") that analyzes extensive financial and
economic data, including risk correlation and expected return statistics. The
Model selects indices representing segments of the global equity and debt mar-
kets and the Funds invest to create market exposure by purchasing representa-
tive samples of the indices in an attempt to replicate their performance.
 
                                      10

<PAGE>
 
  The Model has broad latitude to allocate the Funds' investments among equity
securities, debt securities and money market instruments. The LifePath Funds
are not managed as balanced portfolios and are not required to maintain a por-
tion of their investments in each of the permitted investment categories at
all times. Until a LifePath Fund attains an asset level of approximately $100
to $150 million, the Model will allocate assets across fewer of the investment
categories identified below than it otherwise would. As a LifePath Fund ap-
proaches this minimum asset level, the Model will add investment categories
from among those identified below, thereby approaching the desired investment
mix over time. The portfolio of investments of each LifePath Fund is compared
from time to time to the Model's recommended allocation. Recommended
reallocations are implemented subject to BGFA's assessment of current economic
conditions and investment opportunities. BGFA may change from time to time the
criteria and methods it uses to implement the recommendations of the Model.
Recommended reallocations are implemented in accordance with trading policies
designed to take advantage of market opportunities and reduce transaction
costs. The asset allocation mix selected by the Model is a primary determinant
in the respective LifePath Fund's investment performance.
     
  BGFA manages other portfolios that also invest in accordance with the Mod-
el. The performance of each of those other portfolios is likely to vary from
the performance of LifePath Funds. Such variation in performance is primarily
due to different equilibrium asset-mix assumptions used for the various port-
folios, timing differences in the implementation of the Model's recommenda-
tions and differences in expenses and liquidity requirements. The overall man-
agement of each LifePath Fund is based on the recommendation of the Model, and
no person is primarily responsible for recommending the mix of asset classes
in each Fund or the mix of securities within the asset classes. Decisions re-
lating to the Model are made by BGFA's investment committee.      
 
  EQUITY SECURITIES -- The LifePath Funds seek U.S. equity market exposure
through investment in securities representative of the following indices of
common stocks:
 
  . The S&P/BARRA Value Stock Index (consisting of primarily large-capital-
    ization U.S. stocks with lower-than-average price/book ratios).
 
  . The S&P/BARRA Growth Stock Index (consisting of primarily large-capital-
    ization U.S. stocks with higher-than-average price/book ratios).
 
                                      11

<PAGE>
 
  . The Intermediate Capitalization Value Stock Index (consisting of primar-
    ily medium-capitalization U.S. stocks with lower-than-average price/book
    ratios).
 
  . The Intermediate Capitalization Growth Stock Index (consisting of pri-
    marily medium-capitalization U.S. stocks with higher-than-average
    price/book ratios).
 
  . The Intermediate Capitalization Utility Stock Index (consisting of pri-
    marily medium-capitalization U.S. utility stocks).
 
  . The Micro Capitalization Market Index (consisting of primarily small-
    capitalization U.S. stocks).
 
  . The Small Capitalization Value Stock Index (consisting of primarily
    small-capitalization U.S. stocks with lower-than-average price/book ra-
    tios).
 
  . The Small Capitalization Growth Stock Index (consisting of primarily
    small-capitalization U.S. stocks with higher-than-average price/book ra-
    tios).
 
  The LifePath Funds seek foreign equity market exposure through investment in
foreign equity securities, American Depositary Receipts or European Depositary
Receipts of issuers whose securities are representative of the following indi-
ces of foreign equity securities:
 
  . The Morgan Stanley Capital International (MSCI) Japan Index (consisting
    of primarily large-capitalization Japanese stocks).
 
  . The Morgan Stanley Capital International Europe, Australia, Far East In-
    dex (MSCI EAFE) Ex-Japan Index (consisting of primarily large-capital-
    ization foreign stocks, excluding Japanese stocks).
 
  The LifePath Funds also may seek U.S. and foreign equity market exposure
through investment in equity securities of U.S. and foreign issuers that are
not included in the indices listed above.
 
  DEBT SECURITIES -- The LifePath Funds seek U.S. debt market exposure through
investment in securities representative of the following indices of U.S. debt
securities:
 
  . The Lehman Brothers Long-Term Government Bond Index (consisting of all
    U.S. Government bonds with maturities of at least ten years).
 
  . The Lehman Brothers Intermediate-Term Government Bond Index (consisting
    of all U.S. Government bonds with maturities of less than ten years and
    greater than one year).
 
                                      12
 
<PAGE>
 
  . The Lehman Brothers Long-Term Corporate Bond Index (consisting of all
    U.S. investment-grade corporate bonds with maturities of at least ten
    years).
 
  . The Lehman Brothers Intermediate-Term Corporate Bond Index (consisting
    of all U.S. investment-grade corporate bonds with maturities of less
    than ten years and greater than one year).
 
  . The Lehman Brothers Mortgage-Backed Securities Index (consisting of all
    fixed-coupon mortgage pass-throughs issued by the Federal National Mort-
    gage Association, Government National Mortgage Association and Federal
    Home Loan Mortgage Corporation with maturities greater than one year).
 
  The LifePath Funds seek foreign debt market exposure through investment in
securities representative of the following index of foreign debt securities:
 
  . The Salomon Brothers Non-U.S. World Government Bond Index (consisting of
    foreign government bonds with maturities of greater than one year).
 
  Each U.S. and foreign debt security is expected to be part of an issuance
with a minimum outstanding amount at the time of purchase of approximately $50
million and $100 million, respectively. Each security in which a LifePath Fund
invests must be rated at least "Baa" by Moody's Investors Service, Inc.
("Moody's"), or "BBB" by Standard & Poor's Corporation ("S&P"), Fitch Invest-
ors Service, Inc. ("Fitch") or Duff & Phelps, Inc. ("Duff") or, if unrated,
deemed to be of comparable quality by BGFA in accordance with procedures ap-
proved by MIP's Board of Trustees. See "Risk Considerations" below.
 
  MONEY MARKET INSTRUMENTS -- The money market instrument portion of the port-
folio of each Fund generally is invested in high-quality money market instru-
ments, including U.S. Government obligations, obligations of domestic and for-
eign banks, short-term corporate debt instruments and repurchase agreements.
See "Appendix -- Additional Investment Policies" below for a more complete de-
scription of the money market instruments in which each Master Portfolio may
invest.
 
RISK CONSIDERATIONS
 
 General
 
  Since the investment characteristics and, therefore, investment risks di-
rectly associated with each LifePath Fund correspond to those of the Master
Portfolio in which such Fund invests, the following is a
 
                                      13
<PAGE>
 
discussion of the risks associated with the investments of the Master Portfo-
lios. Once again, unless otherwise specified, references to the investment
policies and risks of a Fund also should be understood as references to the
investment policies and risks of the corresponding Master Portfolio.
 
  The net asset value per share of each LifePath Fund is neither insured nor
guaranteed, is not fixed and should be expected to fluctuate.
 
 Equity Securities
 
  The stock investments of the LifePath Funds are subject to equity market
risk. Equity market risk is the possibility that common stock prices will
fluctuate or decline over short or even extended periods. The U.S. stock mar-
ket tends to be cyclical, with periods when stock prices generally rise and
periods when prices generally decline. Throughout the first six months of
1998, the stock market, as measured by the S&P 500 Index and other commonly
used indices, was trading at or close to record levels. There can be no guar-
antee that these performance levels will continue.
 
 Debt Securities
 
  The debt instruments in which the LifePath Funds invest are subject to
credit and interest rate risk. Credit risk is the risk that issuers of the
debt instruments in which the Funds invest may default on the payment of prin-
cipal and/or interest. Interest-rate risk is the risk that increases in market
interest rates may adversely affect the value of the debt instruments in which
the Funds invest. The value of the debt instruments generally changes in-
versely to market interest rates. Debt securities with longer maturities,
which tend to produce higher yields, are subject to potentially greater capi-
tal appreciation and depreciation than obligations with shorter maturities.
Changes in the financial strength of an issuer or changes in the ratings of
any particular security may also affect the value of these investments.
 
  Although some of the Funds' portfolio securities are guaranteed by the U.S.
Government, its agencies or instrumentalities, such securities are subject to
interest rate risk and the market value of these securities, upon which the
Funds' daily net asset value is based, will fluctuate. No assurance can be
given that the U.S. Government would provide financial support to its agencies
or instrumentalities where it is not obligated to do so.
 
                                      14 
<PAGE>
 
 Foreign Securities
 
  The LifePath Funds may invest in debt obligations and equity securities of
foreign issuers and may invest in American Depositary Receipts ("ADRs") and
European Depositary Receipts ("EDRs") of such issuers. Investing in the secu-
rities of issuers in any foreign country, including through ADRs and EDRs, in-
volves special risks and considerations not typically associated with invest-
ing in U.S. companies. These include differences in accounting, auditing and
financial reporting standards; generally higher commission rates on foreign
portfolio transactions; the possibility of nationalization, expropriation or
confiscatory taxation; adverse changes in investment or exchange control regu-
lations (which may include suspension of the ability to transfer currency from
a country); and political, social and monetary or diplomatic developments that
could affect U.S. investments in foreign countries. Additionally, dispositions
of foreign securities and dividends and interest payable on those securities
may be subject to foreign taxes, including withholding taxes. Foreign securi-
ties often trade with less frequency and volume than domestic securities and,
therefore, may exhibit greater price volatility. Additional costs associated
with an investment in foreign securities may include higher custodial fees
than apply to domestic custodial arrangements and transaction costs of foreign
currency conversions. Changes in foreign exchange rates also will affect the
value of securities denominated or quoted in currencies other than the U.S.
dollar. A Fund's performance may be affected either unfavorably or favorably
by fluctuations in the relative rates of exchange between the currencies of
different nations, by exchange control regulations and by indigenous economic
and political developments.
 
 Other Investment Considerations
 
  Because the Funds may shift investment allocations significantly from time
to time, their performance may differ from funds which invest in one asset
class or from funds with a stable mix of assets. Further, shifts among asset
classes may result in relatively high turnover and transaction (i.e., broker-
age commission) costs. Portfolio turnover also can generate short-term capital
gains tax consequences. During those periods in which a high percentage of a
Fund's assets are invested in long-term bonds, the Fund's exposure to inter-
est-rate risk will be greater because the longer maturity of such securities
means they are generally more sensitive to changes in market interest rates
than short-term securities.
 
                                      15
<PAGE>
 
  Each LifePath Fund also may lend its portfolio securities and enter into
futures transactions, each of which involves risk. The futures contracts and
options on futures contracts that each Fund may purchase may be considered de-
rivatives. Derivatives are financial instruments whose values are derived, at
least in part, from the prices of other securities or specified assets, indi-
ces or rates. Certain of the floating- and variable-rate instruments that each
Fund may purchase may also be considered derivatives. Each Fund may use some
derivatives as part of its short-term liquidity holdings and/or as substitutes
for comparable market positions in the underlying securities. Some derivatives
may be more sensitive than direct securities to changes in interest rates or
sudden market moves. Some derivatives also may be susceptible to fluctuations
in yield or value due to their structure or contract terms. A Fund may not use
derivatives to create leverage without establishing adequate "cover" in com-
pliance with SEC leverage rules.
 
  Asset allocation and modeling strategies are employed by BGFA for other in-
vestment companies and accounts advised or sub-advised by BGFA. If these
strategies indicate particular securities should be purchased or sold, at the
same time, by a LifePath Fund and one or more of these investment companies or
accounts, available investments or opportunities for sales will be allocated
equitably to each by BGFA. In some cases, this procedure may adversely affect
the size of the position obtained for or disposed of by a LifePath Fund or the
price paid or received by such Fund.
 
 Year 2000
 
  Many computer software systems in use today cannot distinguish the Year 2000
from the Year 1900. Most of the services provided to the Funds depend on the
smooth functioning of computer systems. Any failure to adapt these systems in
time could hamper a Fund's operations and services. The Funds' principal serv-
ice providers have advised the Funds that they are working on necessary
changes to their systems and that they expect their systems to be adapted in
time. There can, of course, be no assurance of success. In addition, because
the Year 2000 issue affects virtually all organizations, the companies or en-
tities in which the Funds invest also could be adversely impacted by the Year
2000 issue. The extent of such impact cannot be predicted.
 
                                      16
<PAGE>
 
PERFORMANCE
    
  For purposes of advertising, performance of the LifePath Funds may be calcu-
lated on the basis of average annual total return and/or cumulative total re-
turn of a class of shares. Average annual total return of a class of shares is
calculated pursuant to a standardized formula which assumes that an investment
in that class of shares was purchased with an initial payment of $1,000 and that
the investment was redeemed at the end of a stated period of time, after giving
effect to the reinvestment of dividends and distributions during the period.
The return of a class of shares is expressed as a percentage rate which, if
applied on a compounded annual basis, would result in the redeemable value of
the investment in such shares at the end of the period. Advertisements of the
performance of a class of shares of a LifePath Fund include the Fund's average
annual total return of such shares for one, five and ten year periods, or for
shorter time periods depending upon the length of time during which such Fund
has operated.     
     
  Cumulative total return of a class of shares is computed on a per share basis
and assumes the reinvestment of dividends and distributions. Cumulative total
return of a class of shares generally is expressed as a percentage rate which is
calculated by combining the income and principal changes for a specified period
and dividing by the net asset value per share at the beginning of the period.
Advertisements may include the percentage rate of total return of a class of
shares or may include the value of a hypothetical investment in such shares at
the end of the period which assumes the application of the percentage rate of
total return.     
 
  Performance figures are based on historical results and are not intended to
indicate future performance. Investors should remember that performance is a
function of the type and quality of portfolio securities held by the Master
Portfolio in which the Fund invests and is affected by operating expenses.
Performance information, such as that described above, may not provide a basis
for comparison with other investments or other investment companies using a
different method of calculating performance.
     
  Total return quotations are computed separately for each class of the Funds'
shares. Because of the difference in the fees and expenses borne by a class of
shares of the Funds, the return on such shares can be expected, at any given
time, to differ from the return on another class of shares.     

  Additional information about the performance of each Fund will be contained
in the Annual Report for each Fund. The Annual Reports may be obtained by
calling the Company at 1-888-204-3956.
 
                                      17
<PAGE>
 
                            MANAGEMENT OF THE FUNDS
 
  GENERAL -- The Company has not retained the services of an investment ad-
viser because each Fund's assets are invested in a Master Portfolio that has
retained investment advisory services (see "Investment Adviser" below). Each
LifePath Fund bears a pro rata portion of the fees paid by the corresponding
Master Portfolio.
 
  BOARD OF DIRECTORS -- The business and affairs of the Company are managed
under the direction of its Board of Directors in conformity with Maryland law.
The Company's Directors are also MIP's Trustees. Certain of the Company's Di-
rectors also serve as the Trustees of Stagecoach Trust, another open-end in-
vestment company whose LifePath Fund series are wholly invested in the Master
Portfolios. The Company's Board, including a majority of the Directors who are
not "interested persons" (as that term is defined in the 1940 Act) of the Com-
pany, has adopted procedures to address potential conflicts of interest that
may arise as a result of the structure of the Boards. Additional information
regarding the Officers and Directors of the Company and the Officers and
Trustees of MIP is included in the SAI under "Management."
 
  INVESTMENT ADVISER -- BGFA serves as investment adviser to each LifePath
Master Portfolio. BGFA provides investment guidance and policy direction in
connection with the management of each Master Portfolio's assets. BGFA is an
indirect subsidiary of Barclays Bank PLC ("Barclays") and is located at 45
Fremont Street, San Francisco, California 94105. As of April 30, 1998, BGFA
and its affiliates provided investment advisory services for approximately
$575 billion of assets. MIP has agreed to pay to BGFA a monthly fee at the an-
nual rate of 0.55% of each LifePath Master Portfolio's average daily net as-
sets as compensation for its advisory services. No advisory fees were waived
during the fiscal year ended February 28, 1998.
 
  BGFA, Barclays and their affiliates deal, trade and invest for their own ac-
count in the types of securities in which a Master Portfolio may invest and
may have deposit, loan and commercial banking relationships with the issuers
of securities purchased by a Master Portfolio. BGFA has informed MIP that in
making investment decisions the Adviser does not obtain or use material inside
information in its possession.
 
  Morrison & Foerster LLP, counsel to the Company and MIP and special counsel
to BGFA, has advised the Company, MIP and BGFA that BGFA and its affiliates
may perform the services contemplated by the Investment Advisory Contracts and
this prospectus without viola-
 
                                      18
<PAGE>
 
tion of the Glass-Steagall Act. Such counsel has pointed out, however, that
there are no controlling judicial or administrative interpretations or deci-
sions and that future judicial or administrative interpretations of, or deci-
sions related to, present federal or state statutes, including the Glass-
Steagall Act, and regulations relating to the permissible activities of banks
and their subsidiaries and affiliates, as well as future changes in such stat-
utes, regulations and judicial or administrative decisions or interpretations,
could prevent such entities from continuing to perform, in whole or in part,
such services. If any such entity were prohibited from performing any such
services, it is expected that new agreements would be proposed or entered into
with another entity or entities qualified to perform such services.
     
  CO-ADMINISTRATORS -- Stephens and BGI are the Funds' co-administrators. Ste-
phens and BGI provide the Funds with administration services, including gen-
eral supervision of the Funds' non-investment operations, coordination of the
other services provided to the Funds, compilation of information for reports
to the SEC and the state securities commissions, preparation of proxy state-
ments and shareholder reports, and general supervision of data compilation in
connection with preparing periodic reports to the Company's directors and
officers. Stephens also furnishes office space and certain facilities to con-
duct the Funds' business, and compensates the Company's directors, officers
and employees who are affiliated with Stephens. In addition, except as out-
lined under "Expenses" below, Stephens and BGI will be responsible for paying
all expenses incurred by the Fund other than the fees payable pursuant to the
Rule 12b-1 Plan for the Funds' Class R shares or fees payable to BGFA. For these
services, Stephens and BGI are entitled to a monthly fee, in the aggre-gate, at
the annual rate of 0.40% of each Fund's average daily net assets.    
 
  BGI has delegated certain of its duties as co-administrator to Investors
Bank & Trust Company ("IBT"). IBT, as sub-administrator, is compensated by BGI
for performing certain administration services. Prior to October 21, 1996,
Stephens was the Funds' sole administrator and received fees for services as
described in the SAI.
 
  DISTRIBUTOR -- Stephens is the distributor for the Funds' shares. Stephens
is a full service broker/dealer and investment advisory firm located at 111
Center Street, Little Rock, Arkansas 72201. Stephens and its predecessor have
been providing securities and investment services for more than 60 years, in-
cluding discretionary portfolio management services since 1983. Stephens cur-
rently manages investment portfolios for pension and profit sharing plans, in-
dividual investors, foundations, insurance companies and university endow-
ments.
 
                                      19
<PAGE>
     
  Stephens, as the Company's sponsor and the principal underwriter of the
Funds within the meaning of the 1940 Act, has entered into a Distribution
Agreement with the Company pursuant to which Stephens has the responsibility
for distributing Fund shares. The Distribution Agreement provides that Ste-
phens shall act as agent for the Funds for the sale of Fund shares, and may
enter into Selling Agreements with selling agents that wish to make available
Fund shares to their respective customers ("Selling Agents"). Stephens is
entitled to receive a monthly fee at an annual rate of 0.25% of a Fund's
average daily net assets attributable to Class R shares for providing
distribution services to the Class R shares of the Funds, as described below.
BGI presently acts as a Selling Agent, but does not receive any fee from the
Funds for such activities.     
 
  CUSTODIAN -- IBT currently acts as the Funds' custodian. The principal busi-
ness address of IBT is 200 Clarendon Street, Boston, Massachusetts 02116. IBT
is not entitled to receive compensation for its custodial services so long as
it is entitled to receive compensation for providing sub-administration serv-
ices to the Fund.
 
  TRANSFER AND DIVIDEND DISBURSING AGENT -- IBT also acts as the Company's
transfer and dividend disbursing agent.
     
  SHAREHOLDER SERVICING AGENTS -- The Funds have adopted a Shareholder Servic-
ing Plan pursuant to which they have entered into Shareholder Servicing Agree-
ments with BGI and may enter into similar agreements with other entities (col-
lectively, "Shareholder Servicing Agents") for the provision of certain serv-
ices to Fund shareholders. The services provided may include personal services
relating to shareholder accounts, such as answering shareholder inquiries,
providing reports and other information, and providing services related to the
maintenance of shareholder accounts. For these services, each Shareholder Ser-
vicing Agent is entitled to receive a monthly fee at the annual rate of up to
0.20% of the average daily value of each class of Fund shares represented by
such shares owned during the period for which payment is being made by investors
with whom the Shareholder Servicing Agent maintains a servicing relationship, or
an amount which equals the maximum amount payable to the Shareholder Servicing
Agent under applicable laws, regulations or rules, including the Conduct Rules
of the National Association of Securities Dealers, Inc., whichever is less.
Stephens and BGI as co-administrators have agreed to pay these shareholder
servicing fees out of the fees each receives for co-administration services. 
     
 
                                      20
<PAGE>
 
  A Shareholder Servicing Agent also may impose certain conditions on its cus-
tomers, subject to the terms of this Prospectus, in addition to or different
from those imposed by the Company, such as requiring a minimum initial invest-
ment or payment of a separate fee for additional services. Each Shareholder
Servicing Agent is required to agree to disclose any fees it may directly
charge its customers who are Fund shareholders and to notify them in writing
at least 30 days before it imposes any transaction fees.
    
  MASTERWORKS CLASS R 12B-1 PLAN -- The Company has adopted on behalf of the
Class R shares of the Funds, a Distribution Plan that authorizes, under Section
12(b) of the 1940 Act and Rule 12b-1 thereunder, payment for distribution-
related expenses and compensation for distribution-related services, including
ongoing compensation to selling agents, in connection with Class R shares
(the "Class R Distribution Plan"). Each Fund may participate in joint
distribution activities with other MasterWorks Funds. The cost of these
activities is generally allocated among the Funds. Funds with higher asset
levels pay a higher proportion of these costs. As indicated above under
"Distributor," Stephens, as Distributor, is entitled to receive a monthly fee at
an annual rate of 0.25% of the average daily net assets of each Fund
attributable to Class R shares.      
 
  MIP 12B-1 PLAN -- MIP's Board of Trustees has adopted, on behalf of each
Master Portfolio, a "defensive" distribution plan under Section 12(b) of the
1940 Act and Rule 12b-1 thereunder (the "Plan"). The Plan does not result in
any additional expenses being borne by a Master Portfolio or a Fund. The Plan
was adopted by a majority of MIP's Board of Trustees (including a majority of
those Trustees who are not "interested persons" of MIP as defined in the 1940
Act) on October 10, 1995. The Plan was intended as a precaution designed to
address the possibility that certain ongoing payments by Barclays to Wells
Fargo Bank in connection with the sale of a former affiliate of Wells Fargo
Bank may be characterized as indirect payments by each Master Portfolio to fi-
nance activities primarily intended to result in the sale of interests in such
Master Portfolio. The Plan provides that if any portion of a Master Portfo-
lio's advisory fees (up to 0.25% of the average daily net assets of each Mas-
ter Portfolio on an annual basis) were deemed to constitute an indirect pay-
ment for activities that are primarily intended to result in the sale of in-
terests in a Master Portfolio, such payment would be authorized pursuant to
the Plan.
     
  EXPENSES -- Except for extraordinary expenses, brokerage and other expenses
in connection with the execution of portfolio transactions and certain other
expenses which are borne by the Funds, including 12b-1 fees paid pursuant to the
Class R Distribution Plan, Stephens and BGI have agreed to bear all costs of the
Funds' and the Company's operations.      
 
                               HOW TO BUY SHARES
 
WHO MAY INVEST
 
  The following types of investors are eligible to invest in the Funds:
 
  . Participants in Benefit Plans ("Plan Participants"), including retire-
    ment plans, who have appointed one of the Company's Shareholder Servic-
    ing Agents as plan trustee, plan administrator or other agent, or whose
    plan trustee, plan administrator or other agent has a servicing arrange-
    ment with a Shareholder Servicing
 
                                      21
<PAGE>
 
    Agent that permits investments in the Funds, and Plan Participants who
    invest pursuant to an agreement between such a Benefit Plan and a Share-
    holder Servicing Agent.
 
  . Investors using proceeds which are being rolled over directly from a
    qualified Benefit Plan to an Individual Retirement Account ("IRA") pur-
    suant to arrangements between the sponsor or other agent of the quali-
    fied Benefit Plan and a Shareholder Servicing Agent, or who have estab-
    lished a tax-deferred retirement plan with a Shareholder Servicing
    Agent.
 
  . Investors who have an account arrangement with one of the Company's
    Shareholder Servicing Agents that permits investments in Fund shares
    ("Qualified Buyers").
 
           
  Eligible investors may purchase Fund shares in one of the several ways de-
scribed below. For more information or additional forms, call 1-888-204-3956.
The Company or Stephens may make the Prospectus available in an electronic for-
mat. Upon receipt of a request by an investor or the investor's representative,
the Company or Stephens will transmit or cause to be transmitted promptly,
without charge, a paper copy of the electronic Prospectus.
 
MINIMUM INVESTMENT AMOUNT
     
  In most cases, investors in Fund shares are not required to establish or
maintain a minimum investment amount. All investments in a Fund's shares are
subject to a determination by the Company that the investment instructions are
complete. If shares are purchased by a check which does not clear, the Company
reserves the right to cancel the purchase and hold the investor responsible for
any losses or fees incurred. The Company reserves the right in its sole
discretion to suspend the availability of any Fund's shares and to reject any
purchase requests. Certificates for Fund shares are not issued. Shareholder
Servicing Agents may establish investment amount and account balance
requirements different from those of the Funds and may charge fees in addition
to those charged by the Funds.      
 
                                      22

<PAGE>
 
GENERAL
     
  Class R shares of each Fund may be purchased on any Business Day at the net
asset value per share next determined after an order in proper form is received
by the Transfer Agent. Purchase orders that are received by the Transfer Agent
before the close of regular trading on the NYSE (currently 1:00 p.m., Pacific
time) will be executed at the NAV determined as of the close of regular trad-ing
on the NYSE on that Business Day. Orders received by the Transfer Agent after
the close of regular trading on the NYSE are executed on the next Busi-ness Day.
The investor's Shareholder Servicing Agent is responsible for the prompt
transmission of the investor's purchase order to the Transfer Agent on the
investor's behalf. Under certain circumstances, a Shareholder Servicing Agent
may establish an earlier deadline for receipt of orders or an investor's order
transmitted to a Shareholder Servicing Agent may not be received by the Transfer
Agent on the same day.      

 Federal regulations require that an investor provide a valid taxpayer iden-
tification number ("TIN"), which is usually the investor's social security
number or employer identification number, upon opening or reopening an ac-
count.
 
BENEFIT PLANS
     
  Class R shares of each Fund are offered to Benefit Plans that have appointed
one of the Company's Shareholder Servicing Agents as plan trustee, plan
administrator or other agent, or whose plan trustee, plan administrator or other
agent has a servicing arrangement with a Shareholder Servicing Agent that
permits invest-ments in the Funds. Benefit Plans include 401(k) plans and other
plans quali-fied under Section 401(a) of the Internal Revenue Code of 1986, as
amended (the "Code"), health and welfare plans and executive deferred
compensation plans. For additional information about Benefit Plans that may be
eligible to invest in Fund shares, prospective investors should contact a
Shareholder Servicing Agent.     
 
  Fund investments by participants in 401(k) plans are typically made by pay-
roll deductions arranged between participants and their employers. Partici-
pants in the MasterWorks program are included in this group. Participants also
may make direct contributions to their accounts in special circumstances such
as the transfer of a rollover amount from another 401(k) plan or from a
rollover IRA. Investors
 
                                      23
<PAGE>
 
should contact their employer's benefits department for more information about
contribution methods.
 
  Plan Participants who have established an account with a Shareholder Servic-
ing Agent may purchase Fund shares in accordance with their account arrange-
ments with such Shareholder Servicing Agent. The Shareholder Servicing Agent
is responsible for the prompt transmission of purchase orders. Shareholder
Servicing Agents may charge additional fees for maintaining customer accounts
other than those charged by the Funds.
 
IRAS, KEOGHS AND OTHER INDIVIDUAL RETIREMENT PLANS
 
  An investor may be entitled to invest in a Fund's shares through a tax-de-
ferred retirement plan. In addition to offering investments through IRA
rollovers, a Shareholder Servicing Agent may offer other types of tax-deferred
or tax-advantaged plans, including a Keogh retirement plan for self-employed
professional persons, sole proprietors and partnerships. Investors should con-
tact a Shareholder Servicing Agent for materials describing available plans
and their benefits, provisions and fees.
 
  Application materials for opening an IRA rollover, Keogh plan or other indi-
vidual retirement plan can be obtained from a Shareholder Servicing Agent.
Completed retirement plan applications should be returned to the investor's
Shareholder Servicing Agent for approval and processing. If an investor's re-
tirement plan application is incomplete or improperly filled out, there may be
a delay before the Fund account is opened. Investors should consult their
Shareholder Servicing Agent.
 
PURCHASES BY QUALIFIED BUYERS
 
  Qualified Buyers may open a Fund account and make additional purchases
through a Shareholder Servicing Agent with whom they have an account arrange-
ment. Shareholder Servicing Agents may transmit purchase orders to the Trans-
fer Agent on behalf of investors, including purchase orders for which payment
is to be made by wire or by transfer from an Approved Bank designated in an
investor's Account Application ("Approved Bank Account").
 
          
           
                                      24

<PAGE>
          
     
TO PURCHASE CLASS R SHARES:      
 
  By Check: Initial and subsequent investments should be sent to MasterWorks
Funds, Inc., c/o Investors Bank and Trust Co., P.O. Box 9130, Mail Code MFD23,
Boston, MA 02117-9130.
 
  By Wire: Investors establishing new accounts should telephone Investors Bank
& Trust Co., at 1-888-204-3956 prior to sending the bank wire.
 
  Investors should instruct their bank to wire funds as follows:
 
    Investors Bank & Trust Co.
    ABA #011-001-438
    Attn: Transfer Agent
    Account #DDA 555555535
    For Further Credit to: MasterWorks Funds, Inc.
    Shareholder Account Name:
    Shareholder Account Number:
 
IN-KIND PURCHASES
 
  Payment for shares of a Fund may, at the discretion of BGFA as investment
adviser, be made in the form of securities that are permissible investments
for such Fund. Shares purchased in exchange for securities can not be redeemed
until the exchange transaction has settled. For further information, see "Pur-
chase and Redemption of Shares" in the SAI.
 
                             HOW TO REDEEM SHARES
 
GENERAL
    
  Investors may redeem all or a portion of their Class R shares on any Business
Day without any charge by the Company. The redemption price of Class R shares is
the next determined net asset value of such shares of the relevant Fund
calculated after the Company has received a redemption request in proper form.
Redemption proceeds may be more or less than the amount invested depending on
the relevant Fund's net asset value of Class R shares at the time of purchase
and redemption.     
 
  The Company generally remits redemption proceeds from a Fund within seven
days after a redemption order is received in proper form, absent extraordinary
circumstances. Such extraordinary circumstances
 
                                      25
<PAGE>
 
could include a period during which an emergency exists as a result of which
(a) disposal by the Master Portfolio in which such Fund invests of securities
owned by the Master Portfolio is not reasonably practicable or (b) it is not
reasonably practicable for the Fund or the relevant Master Portfolio to deter-
mine fairly the value of its net assets, or a period during which the SEC by
order permits deferral of redemptions for the protection of Fund shareholders.
In addition, the Company may defer payment of a shareholder's redemption until
reasonably satisfied that such shareholder's investments made by check have
been collected (which can take up to ten days from the purchase date). Payment
of redemption proceeds may be made in portfolio securities.
 
  Redemption orders that are received by the Transfer Agent before the close
of regular trading on the NYSE (currently 1:00 p.m., Pacific time) will be ex-
ecuted at the net asset value determined as of the close of regular trading on
the NYSE on that Business Day. Redemption orders that are received by the
Transfer Agent after the close of trading on the NYSE are executed on the next
Business Day. The investor's Shareholder Servicing Agent is responsible for
the prompt transmission of redemption orders to the Transfer Agent on the in-
vestor's behalf. Under certain circumstances, a Shareholder Servicing Agent
may establish an earlier deadline for receipt of orders or an investor's order
transmitted to a Shareholder Servicing Agent may not be received by the Trans-
fer Agent on the same day.
 
  Unless the investor has made other arrangements with an appropriate Share-
holder Servicing Agent and the Transfer Agent has been informed of such ar-
rangements, proceeds of a redemption order made by the investor through the
investor's Shareholder Servicing Agent are credited to the investor's Approved
Bank Account. If no such account is designated, a check for the proceeds is
mailed to the investor's address of record or, if such address is no longer
valid, the proceeds are credited to the investor's account with the investor's
Shareholder Servicing Agent.
 
REDEMPTIONS BY BENEFIT PLANS, IRAS, KEOGHS AND OTHER INDIVIDUAL RETIREMENT
PLANS
 
  Investors in these types of plans are subject to restrictions on withdrawing
their money under the Code. Each type of plan has established withdrawal pro-
cedures that are disclosed to investors at the time of purchase. Investors may
obtain more information by contacting their employer and/or their Shareholder
Servicing Agent. The redemption proce-
 
                                      26
<PAGE>
 
dures outlined in the remainder of this section do not apply to investors in
Benefit Plans or retirement plans. Investors in these types of plans should
contact their Shareholder Servicing Agent regarding redemption procedures ap-
plicable to them.
 
REDEMPTIONS BY QUALIFIED BUYERS
     
  Qualified Buyers should contact their Shareholder Servicing Agent regarding
redemption procedures applicable to them.      

          
                                      27
<PAGE>
 
           
                              EXCHANGE PRIVILEGE
     
  The exchange privilege enables an investor to purchase, in exchange for Class 
R shares of a Fund, Class R shares of another fund offered by the Company in the
investor's state of residence. Before undertaking an exchange into another fund,
investors should obtain and review a copy of the current prospectus of the fund
into which the exchange is being made. A prospectus may be obtained by calling
the Company at 1-888-204-3956.     
    
  Class R shares are exchanged at the next determined net asset value. No fees
are currently charged to Class R shareholders directly in connection with
exchanges, although the Company reserves the right, upon not less than 60 days'
written notice, to charge such shareholders a nominal exchange fee in
accordance with rules promulgated by the SEC. The Company reserves the right to
limit the number of times shares may be exchanged and to reject in whole or in
part any exchange request into a fund when management believes that such action
would be in the best interests of such fund's other shareholders, such as when
management believes such action would be appropriate to protect a fund against
disruptions in portfolio management resulting from frequent transactions by
those seeking to time market fluctuations. Any such rejection is made by
management on a prospective basis only, upon notice to the shareholder given not
later than 10 days following such shareholder's most recent exchange. The
exchange privilege may be modified or terminated at any time upon 60 days'
written notice to shareholders.      
 
                                      28
<PAGE>
 
                                  SHARE VALUE
     
  Class R shares of the Funds are sold on a continuous basis at the applicable
offering price (net asset value per share) next determined after an order in
proper form is received by the Transfer Agent. Net asset value ("NAV") per share
is determined as of the close of regular trading on the NYSE (currently 1:00
p.m., Pacific time) each Business Day.     
     
  The NAV of a Class R share of each Fund is the value of total net assets
attributable to such Fund's Class R shares divided by the number of outstanding
Class R shares of that Fund. The value of the net assets is determined daily by
adjusting the net assets at the beginning of the day by the value of shareholder
activity, net investment income and net realized and unrealized gains or losses
for that day. Net investment income is calculated each day as daily income less
expenses. The NAV of each Fund or class is expected to fluctuate daily and is
expected to differ. Each Fund's investment in the corresponding Master Portfolio
is valued at the NAV of such Master Portfolio's shares. Each Master Portfolio
calculates the NAV of its shares on the same days and at the same time as the
corresponding Fund. Except for debt obligations with remaining maturities of 60
days or less, which are valued at amortized cost, each Master Portfolio's assets
are valued at current market prices, or if such prices are not readily
available, at fair value as determined in good faith in accordance with
guidelines approved by MIP's Board of Trustees. Prices used for such valuations
may be provided by independent pricing services. For further information
regarding the methods employed in valuing each Master Portfolio's investments,
see "Determination of Net Asset Value" in the SAI.     
 
                          DIVIDENDS AND DISTRIBUTIONS
     
  The Funds intend to declare and pay quarterly dividends of substantially all
of their net investment income. The Funds intend to distribute any net real-
ized capital gains at least annually, in all events in a manner consistent
with the provisions of the 1940 Act and the Internal Revenue Code. No Fund
will make distributions from net realized securities gains unless capital loss
carryovers, if any, have been utilized or have expired. All dividends and dis-
tributions attributable to Class R shares of a Fund are automatically reinvested
at net asset value in such shares of the Fund paying such dividend or
distribution, unless payment in cash is requested and your arrangement with a
Shareholder Servicing Agent permits the processing of cash payments.     

                                      29
<PAGE>
  Dividends and capital gain distributions have the effect of reducing the NAV
per share by the amount distributed on the payment date. Although a dividend
or distribution paid to an investor on newly issued shares shortly after pur-
chase would represent, in substance, a return of capital, the dividend or dis-
tribution may consist of net investment income or net realized capital gain
and, accordingly, would be taxable to the investor.
 
                                     TAXES
 
GENERAL
 
  Distributions from a Fund's net investment income and net short-term capital
gains, if any, are designated as dividend distributions and taxable to the
Fund's shareholders as ordinary income. Distributions from a Fund's net capi-
tal gain (generally, the excess of net long-term capital gains over net short-
term capital loss) are designated as capital gain distributions and taxable to
the Fund's shareholders as net capital gain. Noncorporate shareholders may be
taxed on such gain at preferential rates. In general, your distributions will
be taxable when paid, whether you take such distributions in cash or have them
automatically reinvested in additional Fund shares. However, distributions de-
clared in October, November, and December and distributed by the following
January will be taxable as if they were paid by December 31. A portion of Fund
distributions made to corporate shareholders may qualify for the dividends-re-
ceived deduction in the hands of such shareholders.
 
  Your redemptions (including redemptions in-kind) and exchanges of Fund
shares will ordinarily result in a taxable capital gain or loss, depending on
the amount you receive for your shares (or are deemed to receive in the case
of exchanges) and the cost of your shares. See "Federal Income Taxes -- Dispo-
sition of Fund Shares" in the SAIs.
     
  If you buy shares of the Fund shortly before it distributes its annual
gains, your distribution from the Fund will, in effect, be a taxable return of
part of your investment. Similarly, if you buy shares of a Fund that holds
appreciated securities in its portfolio, you will receive a taxable return of
part of your investment if and when the Fund sells the appreciated securities
and realizes the gain. The Fund may have built up, or have the potential to
build up, high levels of unrealized appreciation.      
 
  Foreign shareholders may be subject to different tax treatment, including
withholding taxes. See "Federal Income Taxes -- Foreign Share-
 
                                      30
<PAGE>
 
holders" in the SAIs. In certain circumstances, U.S. residents may also be
subject to withholding taxes. See "Federal Income Taxes -- Backup Withholding"
in the SAIs.
 
BENEFIT PLAN INVESTORS
 
  As a general matter, benefit plans, their sponsors and their participants
are not subject to federal income taxes at the time of receipt of net invest-
ment income and capital gain distributions.
 
  However, such tax-exempt investors may be subject to tax on certain unre-
lated taxable income which could arise, for example, when such investors ac-
quire shares in the Fund through the use of leverage. Tax-exempt investors
should consult their tax advisors regarding the unrelated business taxable in-
come rules.
 
  The foregoing discussion regarding taxes is based on tax laws which were in
effect as of the date of this Prospectus and summarizes only some of the im-
portant federal tax considerations generally affecting the Funds and their
shareholders. It is not intended as a substitute for care- ful tax planning;
you should consult your tax advisor with respect to your specific tax situa-
tion as well as with respect to foreign, state and local taxes. Further fed-
eral tax considerations are discussed in the SAI.
 
                              GENERAL INFORMATION
 
DESCRIPTION OF THE COMPANY
 
  Each Fund is a series of the Company. The Company was organized as a Mary-
land corporation on October 15, 1992, and currently offers twelve series of
shares. The Company's principal office is located at 111 Center Street, Little
Rock, Arkansas 72201.
 
  The Board of Directors of the Company supervises the Funds' activities and
monitors the Funds' contractual arrangements with various service providers.
Additional information about the Directors and officers of the Company is in-
cluded in the Funds' SAI under "Management." Although the Company is not re-
quired to hold regular annual shareholder meetings, occasional annual or spe-
cial meetings may be required for purposes such as electing or removing Direc-
tors, approving advisory contracts and changing a Fund's investment objective
or fundamental investment policies.
 
                                      31
<PAGE>
 
  BGFA has granted the Company a non-exclusive license to use the name
"LifePath." If the license agreement is terminated, the Company, at BGFA's re-
quest, will cease using the "LifePath" name.
 
VOTING
     
  All shares of the Company have equal voting rights and will be voted in the
aggregate, rather than by fund or class, unless otherwise required by law (such
as when a matter affects only one fund or class). Shareholders of the Funds are
entitled to one vote for each share owned and fractional votes for fractional
shares owned. Depending on the terms of a particular Benefit Plan and the matter
being submitted to a vote, a sponsor may request direction from individual
participants regarding a shareholder vote. Whenever a Fund, as a Master
Portfolio interestholder, is requested to vote on any matter submitted to
interestholders of such Master Portfolio, the Fund will hold a meeting of its
shareholders to consider such matters. The Fund will cast its votes in
proportion to the votes received from its shareholders. Shares for which the
Fund receives no voting instructions are voted in the same proportion as the
votes received from Fund shareholders.     
    
  If a Master Portfolio's investment objective or policies are changed, the
corresponding Fund may elect to change its objective or policies to correspond
to those of the Master Portfolio. The Fund may also elect to redeem its
interests in the Master Portfolio and either seek a new investment company with
a matching objective in which to invest or retain its own investment adviser to
manage the Fund's portfolio in accordance with its objective. In the latter
case, the Fund's inability to find a substitute investment company in which to
invest or equivalent management services could adversely affect shareholders'
invest-ments in that Fund. A more detailed description of the voting rights and
attributes of the shares is contained in the "Capital Stock" section of the SAI.
    
INDEPENDENT AUDITORS
 
  KPMG Peat Marwick LLP, Three Embarcadero Center, San Francisco, California
94111, serves as independent auditors for the Company.
 
                                      32
<PAGE>
 
LEGAL COUNSEL
 
  Morrison & Foerster LLP, 2000 Pennsylvania Avenue, N.W., Washington, D.C.
20006, serves as counsel to the Company.
 
INFORMATION ON THE FUNDS
 
  The Company provides annual and semi-annual reports to all shareholders. The
annual reports contain audited financial statements and other information
about the Funds including additional information on performance. Shareholders
may obtain a copy of the Company's most recent annual report without charge by
phoning 1-888-204-3956.
 
  NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY REPRE-
SENTATIONS OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS AND IN THE COMPANY'S
OFFICIAL SALES LITERATURE IN CONNECTION WITH THE OFFER OF THE FUNDS' SHARES
AND, IF GIVEN OR MADE, SUCH OTHER INFORMATION OR REPRESENTATIONS MUST NOT BE
RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY. THIS PROSPECTUS DOES NOT
CONSTITUTE AN OFFER IN ANY STATE IN WHICH, OR TO ANY PERSON TO WHOM, SUCH OF-
FERING MAY NOT LAWFULLY BE MADE.
 
                                      33
<PAGE>
 
 
                  APPENDIX -- ADDITIONAL INVESTMENT POLICIES
 
PORTFOLIO SECURITIES
 
  To the extent set forth in this Prospectus, each Fund through its investment
in the corresponding Master Portfolio may invest in the securities described
below. To avoid the need to refer to both the Funds and the Master Portfolios
in every instance, the following sections generally refer to the Funds only.
REFERENCES TO THE INVESTMENTS AND INVESTMENT POLICIES AND RISKS OF THE
LIFEPATH FUNDS, UNLESS OTHERWISE INDICATED, SHOULD BE UNDERSTOOD AS REFERENCES
TO THE INVESTMENTS AND INVESTMENT POLICIES AND RISKS OF THE CORRESPONDING MAS-
TER PORTFOLIOS.
 
  U.S. GOVERNMENT OBLIGATIONS -- The LifePath Funds may invest in various
types of U.S. Government obligations. U.S. Government obligations include se-
curities issued or guaranteed as to principal and interest by the U.S. Govern-
ment, its agencies or instrumentalities. Payment of principal and interest on
U.S. Government obligations (i) may be backed by the full faith and credit of
the United States (as with U.S. Treasury obligations and GNMA certificates) or
(ii) may be backed solely by the issuing or guaranteeing agency or instrumen-
tality itself (as with FNMA notes). In the latter case, the investor must look
principally to the agency or instrumentality issuing or guaranteeing the obli-
gation for ultimate repayment, which agency or instrumentality may be pri-
vately owned. There can be no assurance that the U.S. Government would provide
financial support to its agencies or instrumentalities where it is not obli-
gated to do so. As a general matter, the value of debt instruments, including
U.S. Government obligations, declines when market interest rates increase and
rises when market interest rates decrease. Certain types of U.S. Government
obligations are subject to fluctuations in yield or value due to their struc-
ture or contract terms.
 
  SECURITIES OF NON-U.S. ISSUERS -- The Funds may invest in certain securities
of non-U.S. issuers as discussed below.
 
  Obligations of Foreign Governments, Supranational Entities and Banks -- Each
LifePath Fund may invest in U.S. dollar-denominated short-term obligations is-
sued or guaranteed by one or more foreign governments or any of their politi-
cal subdivisions, agencies or instrumentalities that are determined by BGFA to
be of comparable quality to the other obligations in which such Fund may in-
vest. The Funds may also invest in debt obligations of supranational entities.
Supranational entities include international organizations designated or sup-
ported by gov-
 
                                      A-1

<PAGE>
 
 
ernmental entities to promote economic reconstruction or development and in-
ternational banking institutions and related government agencies. Examples in-
clude the International Bank for Reconstruction and Development (the World
Bank), the European Coal and Steel Community, the Asian Development Bank and
the InterAmerican Development Bank. The percentage of each Fund's assets in-
vested in obligations of foreign governments and supranational entities will
vary depending on the relative yields of such securities, the economic and fi-
nancial markets of the countries in which the investments are made and the in-
terest rate climate of such countries.
 
  Each Fund may invest a portion of its total assets in high-quality, short-
term (one year or less) debt obligations of foreign branches of U.S. banks or
U.S. branches of foreign banks that are denominated in and pay interest in
U.S. dollars.
 
  Foreign Equity Securities and Depositary Receipts -- Each LifePath Fund's
assets may be invested in equity securities of foreign issuers and American
Depositary Receipts ("ADRs") and European Depositary Receipts ("EDRs") of such
issuers.
 
  ADRs and EDRs may not necessarily be denominated in the same currency as the
securities into which they may be converted. ADRs are receipts typically is-
sued by a United States bank or trust company which evidence ownership of un-
derlying securities issued by a foreign corporation. EDRs, which are sometimes
referred to as Continental Depositary Receipts ("CDRs"), are receipts issued
in Europe typically by non-United States banks and trust companies that evi-
dence ownership of either foreign or domestic securities. Generally, ADRs in
registered form are designed for use in the United States securities markets
and EDRs and CDRs in bearer form are designed for use in Europe. Each LifePath
Fund may invest in ADRs, EDRs and CDRs through "sponsored" or "unsponsored"
facilities. A sponsored facility is established jointly by the issuer of the
underlying security and a depositary, whereas a depositary may establish an
unsponsored facility without participation by the issuer of the deposited se-
curity. Holders of unsponsored depositary receipts generally bear all the
costs of such facilities and the depositary of an unsponsored facility fre-
quently is under no obligation to distribute shareholder communications re-
ceived from the issuer of the deposited security or to pass through voting
rights to the holders of such receipts in respect of the deposited securities.
 
  FLOATING- AND VARIABLE-RATE OBLIGATIONS -- Each LifePath Fund may purchase
debt instruments with interest rates that are peri-
 
                                      A-2

<PAGE>
 
 
odically adjusted at specified intervals or whenever a benchmark rate or index
changes. These adjustments generally limit the increase or decrease in the
amount of interest received on the debt instruments. Floating- and variable-
rate instruments are subject to interest-rate risk and credit risk.
 
  MORTGAGE-RELATED SECURITIES -- Each LifePath Fund may invest in mortgage-re-
lated securities ("MBSs"), which are securities representing interests in a
pool of loans secured by mortgages. The resulting cash flow from these mort-
gages is used to pay principal and interest on the securities. MBSs are assem-
bled for sale to investors by various government-sponsored enterprises such as
the Federal National Mortgage Association ("FNMA") and the Federal Home Loan
Mortgage Corporation ("FHLMC") or are guaranteed by such governmental agencies
as the Government National Mortgage Association ("GNMA"). Regardless of the
type of guarantee, all MBSs are subject to interest rate risk (i.e., exposure
to loss due to changes in interest rates).
 
  GNMA MBSs include GNMA Mortgage Pass-Through Certificates (also known as
"Ginnie Maes") which are guaranteed as to the full and timely payment of prin-
cipal and interest by GNMA and such guarantee is backed by the authority of
GNMA to borrow funds from the U.S. Treasury to make payments under its guaran-
tee. GNMA is a wholly-owned U.S. Government corporation within the Department
of Housing and Urban Development and, as such, Ginnie Maes are backed by the
full faith and credit of the federal government. In contrast, MBSs issued by
FNMA include FNMA Guaranteed Mortgage Pass-Through Certificates ("Fannie
Maes") which are solely the obligations of FNMA and are neither backed by nor
entitled to the full faith and credit of the federal government). FNMA is a
government-sponsored enterprise which is also a private corporation whose
stock trades on the NYSE. Fannie Maes are guaranteed as to timely payment of
principal and interest by FNMA. MBSs issued by FHLMC include FHLMC Mortgage
Participation Certificates ("Freddie Macs" or "PCs"). FHLMC is a government-
sponsored enterprise whose MBSs are solely obligations of FHLMC. Therefore,
Freddie Macs are not guaranteed by the United States or by any Federal Home
Loan Bank and do not constitute a debt or obligation of the United States or
of any Federal Home Loan Bank. FHLMC guarantees timely payment of interest,
but only ultimate payment of principal due under the obligations it issues.
FHLMC may, under certain circumstances, remit the guaranteed payment of prin-
cipal at any time after default on an underlying mortgage, but in no event
later than one year after the guarantee becomes payable.
 
                                      A-3

<PAGE>
 
  FUTURES CONTRACTS AND OPTIONS TRANSACTIONS -- Each LifePath Fund may use
futures as a substitute for a comparable market position in the underlying se-
curities.
 
  A futures contract is an agreement between two parties, a buyer and a sell-
er, to exchange a particular commodity or financial statement at a specific
price on a specific date in the future. An option transaction generally in-
volves a right, which may or may not be exercised, to buy or sell a commodity
or financial instrument at a particular price on a specified future date.
Futures contracts and options are standardized and traded on exchanges, where
the exchange serves as the ultimate counterparty for all contracts. Conse-
quently, the primary credit risk on futures contracts is the creditworthiness
of the exchange. Futures contracts are subject to market risk (i.e., exposure
to adverse price changes).
 
  Although each of the Funds intends to purchase or sell futures contracts
only if there is an active market for such contracts, no assurance can be
given that a liquid market will exist for any particular contract at any par-
ticular time. Many futures exchanges and boards of trade limit the amount of
fluctuation permitted in futures contract prices during a single trading day.
Once the daily limit has been reached in a particular contract, no trades may
be made that day at a price beyond that limit or trading may be suspended for
specified periods during the trading day. Futures contract prices could move
to the limit for several consecutive trading days with little or no trading,
thereby preventing prompt liquidation of futures positions and potentially
subjecting a Fund to substantial losses. If it is not possible, or if a Fund
determines not to close a futures position in anticipation of adverse price
movements, the Fund will be required to make daily cash margin payments.
 
  Stock Index Futures and Options on Stock Index Futures -- Each LifePath Fund
may invest in stock index futures and options on stock index futures as a sub-
stitute for a comparable market position in the underlying securities. A stock
index future obligates the seller to deliver (and the purchaser to take), ef-
fectively, an amount of cash equal to a specific dollar amount times the dif-
ference between the value of a specific stock index at the close of the last
trading day of the contract and the price at which the agreement is made. No
physical delivery of the underlying stocks in the index is made. With respect
to stock indices that are permitted investments, each Fund intends to purchase
and sell futures contracts on the stock index for which it can obtain the best
price with consideration also given to liquidity. There can be no assur-
 
                                      A-4

<PAGE>
 
ance that a liquid market will exist at the time when a Fund seeks to close
out a futures contract or a futures option position. Lack of a liquid market
may prevent liquidation of an unfavorable position.
 
  Interest-Rate Futures Contracts and Options on Interest-Rate Futures Con-
tracts -- Each LifePath Fund may invest in interest-rate futures contracts and
options on interest-rate futures contracts as a substitute for a comparable
market position in the underlying securities. The Funds may also sell options
on interest-rate futures contracts as part of closing purchase transactions to
terminate their options positions. No assurance can be given that such closing
transactions can be effected or the degree of correlation between price move-
ments in the options on interest rate futures and price movements in the
Funds' portfolio securities which are the subject of the transaction.
 
  Interest-Rate and Index Swaps -- Each LifePath Fund may enter into interest-
rate and index swaps in pursuit of their investment objectives. Interest-rate
swaps involve the exchange by a Fund with another party of their respective
commitments to pay or receive interest (for example, an exchange of floating-
rate payments on fixed-rate payments). Index swaps involve the exchange by a
Fund with another party of cash flows based upon the performance of an index
of securities or a portion of an index of securities that usually include div-
idends or income. In each case, the exchange commitments can involve payments
to be made in the same currency or in different currencies. A Fund will usu-
ally enter into swaps on a net basis. In so doing, the two payment streams are
netted out, with a Fund receiving or paying, as the case may be, only the net
amount of the two payments. If a Fund enters into a swap, it will maintain a
segregated account on a gross basis, unless the contract provides for a segre-
gated account on a net basis. If there is a default by the other party to such
a transaction, a Fund will have contractual remedies pursuant to the agree-
ments related to the transaction.
 
  The use of interest-rate and index swaps is a highly specialized activity
which involves investment techniques and risks different from those associated
with ordinary portfolio security transactions. There is no limit, except as
provided below, on the amount of swap transactions that may be entered into by
a Fund. These transactions generally do not involve the delivery of securities
or other underlying assets or principal. Accordingly, the risk of loss with
respect to swaps generally is limited to the net amount of payments that a
Fund is contractually obligated to make. There is also a risk of a default by
the other party to a swap, in which case a Fund may not receive net amount of
payments that a Fund contractually is entitled to receive.
 
                                      A-5

<PAGE>
 
 
  Foreign Currency and Futures Transactions -- Foreign currency transactions
may occur on a spot (i.e., cash) basis at the rate prevailing in the currency
exchange market or on a forward basis. A forward currency exchange contract
involves an obligation to purchase or sell a specific currency at a set price
on a future date which must be more than two days from the date of the con-
tract. The forward foreign currency market offers less protection against de-
fault than is available when trading currencies on an exchange, since a for-
ward currency contract is not guaranteed by an exchange or clearinghouse.
Therefore, a default on a forward currency contract would deprive a LifePath
Fund of unrealized profits or force such Fund to cover its commitments for
purchase or resale, if any, at the current market price.
 
  Each LifePath Fund may combine forward currency exchange contracts with in-
vestments in securities denominated in other currencies.
 
  Each LifePath Fund also may maintain short positions in forward currency ex-
change transactions, which would involve the Fund agreeing to exchange an
amount of a currency it did not currently own for another currency at a future
date in anticipation of a decline in the value of the currency sold relative
to the currency such Fund contracted to receive in the exchange.
 
  Unlike trading on domestic futures exchanges, trading on foreign futures ex-
changes is not regulated by the Commodity Futures Trading Commission (the
"CFTC") and generally is subject to greater risks than trading on domestic ex-
changes. For example, some foreign exchanges are principal markets so that no
common clearing facility exists and an investor may look only to the broker
for performance of the contract. BGFA, however, considers on an ongoing basis
the creditworthiness of such counterparties. In addition, any profits that a
LifePath Fund might realize in trading could be eliminated by adverse changes
in the exchange rate; adverse exchange rate changes also could cause a Fund to
incur losses. Transactions on foreign exchanges may include both futures con-
tracts which are traded on domestic exchanges and those which are not. Such
transactions may also be subject to withholding and other taxes imposed by
foreign governments.
 
  INVESTMENT COMPANY SECURITIES -- Each Master Portfolio may invest in securi-
ties issued by other investment companies which principally invest in securi-
ties of the type in which the Master Portfolio invests. Under the 1940 Act, a
Master Portfolio's investment in such securities currently is limited to, sub-
ject to certain exceptions, (i) 3% of the
 
                                      A-6

<PAGE>
 
 
total voting stock of any one investment company, (ii) 5% of the Master Port-
folio's net assets with respect to any one investment company and (iii) 10% of
the Master Portfolio's net assets in the aggregate. Investments in the securi-
ties of other investment companies generally will involve duplication of advi-
sory fees and certain other expenses. The Master Portfolio may also purchase
shares of exchange listed closed-end funds.
 
  ILLIQUID SECURITIES -- Each LifePath Fund may invest up to 15% of the value
of its net assets in securities as to which a liquid trading market does not
exist, provided such investments are consistent with its investment objective.
Such securities may include securities that are not readily marketable, such
as privately issued securities and other securities that are subject to legal
or contractual restrictions on resale, floating- and variable-rate demand
obligations as to which the Fund cannot exercise a demand feature on not more
than seven days' notice and as to which there is no secondary market and
repurchase agreements providing for settlement more than seven days after
notice.
 
  SHORT-TERM INSTRUMENTS AND TEMPORARY INVESTMENTS -- Each LifePath Fund may
invest in the following high-quality money market instruments on an ongoing
basis to provide liquidity, for temporary purposes when there is an unexpected
level of shareholder purchases or redemptions or when "defensive" strategies
are appropriate: (i) short-term obligations issued or guaranteed by the U.S.
Government, its agencies or instrumentalities (including government-sponsored
enterprises); (ii) negotiable certificates of deposit ("CDs"), bankers' ac-
ceptances, fixed time deposits and other obligations of domestic banks (in-
cluding foreign branches) that have more than $1 billion in total assets at
the time of investment and that are members of the Federal Reserve System or
are examined by the Comptroller of the Currency or whose deposits are insured
by the FDIC; (iii) commercial paper rated at the date of purchase "Prime-1" by
Moody's or "A-1+" or "A-1" by S&P, or, if unrated, of comparable quality as
determined by BGFA or Wells Fargo Bank; (iv) non-convertible corporate debt
securities (e.g., bonds and debentures) with remaining maturities at the date
of purchase of not more than one year that are rated at least "Aa" by Moody's
or "AA" by S&P; (v) repurchase agreements; and (vi) short-term, U.S. dollar-
denominated obligations of foreign banks (including U.S. branches) that, at
the time of investment have more than $10 billion, or the equivalent in other
currencies, in total assets and in the opinion of BGFA are of comparable qual-
ity to obligations of U.S. banks which may be purchased by the Fund.
 
                                      A-7

<PAGE>
 
  Bank Obligations -- Each Fund may invest in bank obligations, including cer-
tificates of deposit, time deposits, bankers' acceptances and other short-term
obligations of domestic banks, foreign subsidiaries of domestic banks, foreign
branches of domestic banks, and domestic and foreign branches of foreign
banks, domestic savings and loan associations and other banking institutions.
 
  Certificates of deposit are negotiable certificates evidencing the obliga-
tion of a bank to repay funds deposited with it for a specified period of
time.
 
  Time deposits are non-negotiable deposits maintained in a banking institu-
tion for a specified period of time at a stated interest rate. Time deposits
which may be held by a Fund will not benefit from insurance from the Bank In-
surance Fund or the Savings Association Insurance Fund administered by the
Federal Deposit Insurance Corporation.
 
  Bankers' acceptances are credit instruments evidencing the obligation of a
bank to pay a draft drawn on it by a customer. These instruments reflect the
obligation both of the bank and of the drawer to pay the face amount of the
instrument upon maturity. The other short-term obligations may include unin-
sured, direct obligations, bearing fixed, floating- or variable-interest
rates.
 
  Commercial Paper and Short-Term Corporate Debt Instruments --Each Fund may
invest in commercial paper (including variable amount master demand notes),
which consists of short-term, unsecured promissory notes issued by corpora-
tions to finance short-term credit needs. Commercial paper is usually sold on
a discount basis and has a maturity at the time of issuance not exceeding nine
months. Variable amount master demand notes are demand obligations that permit
the investment of fluctuating amounts at varying market rates of interest pur-
suant to arrangements between the issuer and a commercial bank acting as agent
for the payee of such notes whereby both parties have the right to vary the
amount of the outstanding indebtedness on the notes. The investment adviser
and/or sub-adviser to each Fund monitors on an ongoing basis the ability of an
issuer of a demand instrument to pay principal and interest on demand.
 
  Each Fund also may invest in non-convertible corporate debt securities
(e.g., bonds and debentures) with not more than one year remaining to maturity
at the date of settlement. A Fund will invest only in such corporate bonds and
debentures that are rated at the time of purchase at least "Aa" by Moody's or
"AA" by S&P. Subsequent to its purchase by the Fund, an issue of securities
may cease to be rated or its
 
                                      A-8
 

<PAGE>
 
 
rating may be reduced below the minimum rating required for purchase by the
Fund. The investment adviser and/or sub-adviser to each Fund will consider
such an event in determining whether the Fund should continue to hold the ob-
ligation. To the extent the Fund continues to hold such obligations, it may be
subject to additional risk of default.
 
  Repurchase Agreements -- Each Fund may enter into repurchase agreements
wherein the seller of a security to a Fund agrees to repurchase that security
from the Fund at a mutually-agreed upon time and price. The period of maturity
is usually quite short, often overnight or a few days, although it may extend
over a number of months. A Fund may enter into repurchase agreements only with
respect to securities that could otherwise be purchased by the Fund, and all
repurchase transactions must be collateralized. A Fund may incur a loss on a
repurchase transaction if the seller defaults and the value of the underlying
collateral declines or is otherwise limited or if receipt of the security or
collateral is delayed. The Funds may participate in pooled repurchase agree-
ment transactions with other funds advised by BGFA.
 
  FORWARD COMMITMENTS, WHEN-ISSUED PURCHASES AND DELAYED-DELIVERY TRANSAC-
TIONS -- Each Fund may purchase or sell securities on a when-issued or de-
layed-delivery basis and make contracts to purchase or sell securities for a
fixed price at a future date beyond customary settlement time. Securities pur-
chased or sold on a when-issued, delayed-delivery or forward commitment basis
involve a risk of loss if the value of the security to be purchased declines,
or the value of the security to be sold increases, before the settlement date.
Although a Fund will generally purchase securities with the intention of ac-
quiring them, a Fund may dispose of securities purchased on a when-issued, de-
layed-delivery or a forward commitment basis before settlement when deemed ap-
propriate by the adviser.
 
  BORROWING MONEY -- As a fundamental policy, each Fund is permitted to borrow
to the extent permitted under the 1940 Act. However, each Fund currently in-
tends to borrow money only for temporary or emergency (not leveraging) purpos-
es, and may borrow up to one-third of the value of its total assets (including
the amount borrowed) valued at the lesser of cost or market, less liabilities
(not including the amount borrowed) at the time the borrowing is made. While
borrowings exceed 5% of a Fund's total assets, the Fund will not make any new
investments.
 
  LOANS OF PORTFOLIO SECURITIES -- Each Fund may lend securities from their
portfolios to brokers, dealers and financial institutions (but not individu-
als) in order to increase the return on such Fund's portfolio.
 
                                      A-9

<PAGE>
 
 
The value of the loaned securities may not exceed one-third of a Fund's total
assets and loans of portfolio securities are fully collateralized based on
values that are marked-to-market daily. The Funds will not enter into any
portfolio security lending arrangement having a duration of longer than one
year. The principal risk of portfolio lending is potential default or insol-
vency of the borrower. In either of these cases, a Fund could experience de-
lays in recovering securities or collateral or could lose all or part of the
value of the loaned securities. The Funds may pay reasonable administrative
and custodial fees in connection with loans of portfolio securities and may
pay a portion of the interest or fee earned thereon the borrower or a placing
broker.
 
  CONVERTIBLE SECURITIES -- Each LifePath Fund may purchase fixed-income con-
vertible securities, such as bonds or preferred stock, which may be converted
at a stated price within a specified period of time into a specified number of
shares of common stock of the same or a different issuer. Convertible securi-
ties are senior to common stock in a corporation's capital structure, but usu-
ally are subordinated to non-convertible debt securities. While providing a
fixed-income stream (generally higher in yield than the income from a common
stock but lower than that afforded by a non-convertible debt security), a con-
vertible security also affords an investor the opportunity, through its con-
version feature, to participate in the capital appreciation of the common
stock into which it is convertible.
 
  In general, the market value of a convertible security is the higher of its
"investment value" (i.e., its value as a fixed-income security) or its "con-
version value" (i.e., the value of the underlying shares of common stock if
the security is converted). As a fixed-income security, the market value of a
convertible security generally increases when interest rates decline and gen-
erally decreases when interest rates rise. However, the price of a convertible
security also is influenced by the market value of the security's underlying
common stock. Thus, the price of a convertible security generally increases as
the market value of the underlying stock increases, and generally decreases as
the market value of the underlying stock declines. Investments in convertible
securities generally entail less risk than investments in the common stock of
the same issuer.
 
  RATINGS -- The ratings of Moody's, S&P, Fitch and Duff represent their opin-
ions as to the quality of the obligations which they undertake to rate. It
should be emphasized, however, that ratings are relative and subjective and,
although ratings may be useful in evaluating the safety of interest and prin-
cipal payments, they do not evaluate the market value risk of such obliga-
tions. Therefore, although these ratings may be
 
                                     A-10

<PAGE>
 
 
an initial criterion for selection of portfolio investments, BGFA also evalu-
ates such obligations and the ability of their issuers to pay interest and
principal. Each Fund relies on BGFA's judgment, analysis and experience in
evaluating the creditworthiness of an issuer. In this evaluation, BGFA takes
into consideration, among other things, the issuer's financial resources, its
sensitivity to economic conditions and trends, the quality of the issuer's
management and regulatory matters. It also is possible that a rating agency
might not timely change the rating on a particular issue to reflect subsequent
events.
 
CERTAIN FUNDAMENTAL POLICIES
 
  Each Fund and Master Portfolio may (i) borrow money to the extent permitted
under the 1940 Act; (ii) invest up to 5% of its total assets in the obliga-
tions of any single issuer, except that up to 25% of the value of the total
assets of such Fund or Master Portfolio may be invested and obligations issued
or guaranteed by the U.S. Government, its agencies or instrumentalities may be
purchased, without regard to any such limitation; and (iii) invest up to 25%
of the value of its total assets in the securities of issuers in a particular
industry or group of closely related industries, provided there is no limita-
tion on the purchase of obligations issued or guaranteed by the U.S. Govern-
ment, its agencies or instrumentalities. This paragraph describes fundamental
policies that cannot be changed as to a Fund or Master Portfolio without ap-
proval by the holders of a majority (as defined in the 1940 Act) of the out-
standing voting securities of such Fund or Master Portfolio, as the case may
be. See "Investment Objectives and Management Policies -- Investment Restric-
tions" in the SAI.
 
CERTAIN ADDITIONAL NON-FUNDAMENTAL POLICIES
 
  Each Fund and Master Portfolio may (i) purchase securities of any company
having less than three years' continuous operation (including operations of
any predecessors) if such purchase does not cause the value of its investments
in all such companies to exceed 5% of the value of its total assets; (ii)
pledge, hypothecate, mortgage or otherwise encumber its assets, but only to
secure permitted borrowings; and (iii) invest up to 15% of the value of its
net assets in repurchase agreements providing for settlement in more than
seven days after notice and in other illiquid securities. See "Investment Ob-
jectives and Management Policies -- Investment Restrictions" in the SAI.
 
                                     A-11

<PAGE>
 
 
                   SPONSOR, DISTRIBUTOR AND CO-ADMINISTRATOR
                                 Stephens Inc.
                             Little Rock, Arkansas
 
                               CO-ADMINISTRATOR
                        Barclays Global Investors, N.A.
                           San Francisco, California
 
                              INVESTMENT ADVISER
                         Barclays Global Fund Advisors
                           San Francisco, California
 
            CUSTODIAN, TRANSFER AGENT AND DIVIDEND DISBURSING AGENT
                        Investors Bank & Trust Company
                             Boston, Massachusetts
 
                                 LEGAL COUNSEL
                            Morrison & Foerster LLP
                               Washington, D.C.
 
                             INDEPENDENT AUDITORS
                             KPMG Peat Marwick LLP
                           San Francisco, California
 
  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION, ANY STATE SECURITIES COMMISSION OR ANY OTHER REGULATORY
AUTHORITY, NOR HAVE ANY OF THE FOREGOING AUTHORITIES PASSED UPON THE ACCURACY
OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMI-
NAL OFFENSE.

<PAGE>
 
 
MasterWorks(R) Funds
c/o Investors Bank and Trust Co.
200 Clarendon Street
Boston, MA  02116



<PAGE>
 
  MasterWorks Funds Inc. (the "Company") is an open-end, management investment
company. This Prospectus contains information about Class R shares of one of the
Company's funds -- the ASSET ALLOCATION FUND (the "Fund").

  Please read this Prospectus before investing and retain it for future
reference. It sets forth concisely the information about the Fund that an
investor should know before investing. A Statement of Additional Information
("SAI") dated January 18, 1999 containing additional information about the Fund
has been filed with the Securities and Exchange Commission ("SEC") and is
incorporated by reference into this prospectus. The SAI is available without
charge by calling the Company at 1-888-204-3956 or by writing the Company at the
address printed on the back of the Prospectus.

                                _______________

AS WITH ALL MUTUAL FUNDS, THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED
BY THE SECURITIES AND EXCHANGE COMMISSION, ANY STATE SECURITIES COMMISSION OR
ANY OTHER REGULATORY AUTHORITY, NOR HAVE ANY OF THESE AUTHORITIES PASSED UPON
THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY
IS A CRIMINAL OFFENSE.

                                _______________

FUND SHARES ARE NOT DEPOSITS OR OTHER OBLIGATIONS OF, OR ISSUED, ENDORSED OR
GUARANTEED BY, BARCLAYS GLOBAL INVESTORS, N.A. OR ANY OF ITS AFFILIATES. SUCH
SHARES ARE NOT INSURED BY THE U.S. GOVERNMENT, THE FEDERAL DEPOSIT INSURANCE
CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER GOVERNMENT AGENCY. AN
INVESTMENT IN A FUND INVOLVES CERTAIN INVESTMENT RISKS, INCLUDING POSSIBLE LOSS
OF PRINCIPAL.

                             MASTERWORKS FUNDS INC.

                             ASSET ALLOCATION FUND

                                 CLASS R SHARES


                                   PROSPECTUS

                                JANUARY 18, 1999
<PAGE>
 
                               HOW THE FUND WORKS

  The Fund invests all of its assets in a Master Portfolio (a "Master
Portfolio") of Master Investment Portfolio ("MIP"), an open-end, management
investment company, rather than in a portfolio of securities. The Fund has
substantially the same investment objective as the Master Portfolio and the
Fund's investment experience corresponds directly with the Master Portfolio's
investment experience. Interests in the Master Portfolio may be purchased only
by other investment companies or other accredited investors. References to
"Fund" are to the Asset Allocation Fund or its Master Portfolio as the context
requires.

  The ASSET ALLOCATION FUND invests in a mix of stocks included in the Standard
& Poor's 500 Stock Index (the "S&P 500 Index"), U.S. Treasury bonds, and high-
quality money market instruments (including certificates of deposit and Treasury
bills). The allocation of investments in the Fund's portfolio among these asset
classes is based on the expected risk and returns of each asset class as
compared to the other asset classes.


                                _______________

BARCLAYS GLOBAL FUND ADVISORS IS THE INVESTMENT ADVISER TO THE MASTER PORTFOLIO
AND TOGETHER WITH ITS AFFILIATES PROVIDES OTHER SERVICES TO THE FUND AND MASTER
 PORTFOLIO FOR WHICH IT IS COMPENSATED. STEPHENS INC., WHICH IS NOT AFFILIATED
  WITH BARCLAYS GLOBAL FUND ADVISORS, IS THE SPONSOR AND CO-ADMINISTRATOR AND
                   SERVES AS THE DISTRIBUTOR FOR THE COMPANY.
<PAGE>
 
                               TABLE OF CONTENTS
<TABLE>
<CAPTION>

                                                                 PAGE
                                                                 ----
<S>                                                              <C>
Prospectus Summary...........................................
Summary of Fund Expenses.....................................
Explanation of Tables........................................
The Fund.....................................................
Management of the Fund.......................................
How to Buy Shares............................................
How to Redeem Shares.........................................
Exchange Privilege...........................................
Share Value..................................................
Dividends And Distributions..................................
Taxes........................................................
General Information..........................................
                                                                 APPENDIX
                                                                 --------
Additional Investment Policies...............................    A-1
</TABLE>
<PAGE>
 
                               PROSPECTUS SUMMARY

  The following summary provides investors with basic information about the
Fund. For more information, please refer specifically to the identified
Prospectus sections and generally to the Prospectus and SAI.

Q.  WHO CAN INVEST IN THE FUND?

A.  Shares of the Fund are offered primarily to a select group of investors.
    These include:

    . Participants in employee benefit plans ("Benefit Plans"), including
      retirement plans, that have appointed one of the Company's Shareholder
      Servicing Agents as plan trustee, plan administrator or other agent, or
      whose plan trustee, plan administrator or other agent has a servicing
      arrangement with a Shareholder Servicing Agent that permits investments in
      Fund shares, and individuals who invest pursuant to an agreement between a
      Benefit Plan and a Shareholder Servicing Agent.

    . Individuals using proceeds that are being rolled over directly from a
      qualified Benefit Plan to an Individual Retirement Account ("IRA")
      pursuant to arrangements between the sponsor or other agent of the
      qualified Benefit Plan and a Shareholder Servicing Agent.

    . Investors that have a servicing arrangement with one of the Company's
      Shareholder Servicing Agents that permits investments in Fund shares.


    See "How To Buy Shares."

Q.  WHAT ARE SOME OF THE POTENTIAL RISKS ASSOCIATED WITH AN INVESTMENT IN THE
    FUND?

A.  Investments in the Fund are not bank deposits or obligations of Barclays
    Global Fund Advisors ("BGFA") or BGI, are not insured by the Federal Deposit
    Insurance Corporation ("FDIC"), and are not insured or guaranteed against
    loss of principal. When the value of the securities that the Fund owns
    declines, so does the value of your Fund shares. Therefore, you should be
    prepared to accept some risk with the money you invest in the Fund.

    The stock investments of the Fund are subject to equity market risk. Equity
    market risk is the possibility that common stock prices will fluctuate or
    decline over short or even extended periods. The U.S. stock market tends to
    be cyclical, with periods when stock prices generally rise and periods when
    prices generally decline. Throughout the first six months of 1998, the stock
    market, as measured by the S&P 500 Index and other commonly used indices,
    was trading at or close to record levels. There can be no guarantee that
    these performance levels will continue.

    The portfolio debt instruments of the Fund are subject to credit and
    interest rate risk. Credit risk is the risk that issuers of the debt
    instruments in which the Fund invests may default on the payment of
    principal and/or interest. Interest-rate risk is the risk that increases in
    market interest rates may adversely affect the value of the debt instruments
    in which the Fund invests. The value of the Fund's portfolio debt
    instruments generally changes inversely to market interest rates. Debt
    securities with longer maturities, which tend to produce higher yields, are
    subject to potentially greater price fluctuation than obligations with
    shorter maturities. Fluctuations in the market value of fixed income
    securities can be reduced, but not eliminated, by variable rate or floating
    rate features.

    Because the Asset Allocation Fund may shift its investment allocations
    significantly from time to time, the Fund's performance may differ from
    funds which invest in one asset class or from funds with a stable mix of
    assets. Further, shifts among asset classes may result in relatively high
    turnover and transaction costs. Portfolio turnover also can generate short-
    term capital gains tax consequences. During those periods in which a high
    percentage of the Fund's portfolio is invested in long-term bonds, the
    Fund's exposure to interest-rate risk will be greater because the longer
    maturity of such securities means they are generally more sensitive to
    changes in market interest rates than shorter-term securities. 

                                       1
<PAGE>
 
    As with all mutual funds, there is no assurance that the Fund will achieve
    its investment objective.

    See "The Fund -- Investment Objective and Policies" and "Appendix --
    Additional Investment Policies."

Q.  HOW DO I INVEST IN THE FUND?

A.  Shares of the Fund can be purchased by establishing an account arrangement
    with a designated Shareholder Servicing Agent. Shares may be purchased at
    net asset value on any day the Fund is open for business (a "Business Day").
    The Fund is open for business Monday through Friday and are closed on
    standard New York Stock Exchange ("NYSE") holidays.

    To invest in the Fund contact a Shareholder Servicing Agent to receive
    information and an Account Application. An Account Application must be
    completed and signed to open an account.

    See "How to Buy Shares."

Q.  WHO MANAGES MY INVESTMENTS?

A.  BGFA, as the investment adviser to the Master Portfolio, manages your
    investments. The Company has not retained the services of a separate
    investment adviser for the Fund because the Fund invests all of its assets
    in the Master Portfolio. As of April 30, 1998, BGFA and its affiliates
    provided investment advisory services for approximately 575 billion of
    assets.

    See "Management of the Fund."

Q.  WHAT ARE THE FEES FOR INVESTING?

A.  Unlike certain other mutual funds which charge sales loads or other
    transaction fees, the Fund does not impose shareholder transaction fees on
    the purchase, redemption or exchange of its shares. Shareholder Servicing
    Agents, in accordance with the terms of their customer account arrangements,
    may charge additional fees for maintaining customer accounts.

    See "Management of the Fund."

Q.  HOW ARE THE FUND'S INVESTMENTS VALUED?

A.  The price per share or "net asset value" of the Fund is based on the net
    asset value of interests in the Master Portfolio. The net asset value of
    interests in a Master Portfolio is based on the total value of the portfolio
    securities owned by the Master Portfolio (plus cash and other assets, net of
    liabilities) divided by the number of outstanding interests in the Master
    Portfolio. A new net asset value for the Fund and Master Portfolio is
    calculated on each Business Day.

    See "Share Value."

Q.  DOES THE FUND PAY DIVIDENDS?

A.  The Asset Allocation Fund intends to pay monthly dividends consisting of
    substantially all of its net investment income and annual distributions
    consisting of substantially all of its net realized capital gains. All
    dividends and distributions attributable to Class R shares are automatically
    reinvested at NAV in Class R shares of the Fund paying the dividend or
    distribution, unless payment in cash is requested and your arrangement with
    a Shareholder Servicing Agent permits the processing of cash payments. Each
    reinvestment increases the total number of shares held by the shareholder.

    See "Dividends and Distributions."

                                       2
<PAGE>
 
Q.  ARE EXCHANGES TO OTHER FUNDS PERMITTED?

A.  Yes. The exchange privilege enables an investor to exchange Class R shares
    for Class R shares of another fund offered by the Company provided such
    shares are offered for sale in the investor's state of residence.

    See "Exchange Privilege."

Q.  HOW DO I REDEEM MY SHARES?

A.  Shares of the Fund may be redeemed at net asset value without the imposition
    of a sales charge or redemption fee on any Business Day by letter or by
    telephone (provided you have completed the "Redemption by Telephone" portion
    of your account application). For more information contact Stephens Inc.
    ("Stephens") or your Shareholder Servicing Agent.

    See "How to Redeem Shares."

                                       3
<PAGE>
 
                            SUMMARY OF FUND EXPENSES

                         ANNUAL FUND OPERATING EXPENSES
                 (AS A PERCENTAGE OF AVERAGE DAILY NET ASSETS)
<TABLE>
<CAPTION>
 
<S>                                                   <C>
Rule 12b-1 Fees.....................................  0.25%
Management Fees (after waivers and reimbursements)..  0.35%
Co-Administration Fees..............................  0.40%
                                                      ----
TOTAL FUND OPERATING
  EXPENSES (after waivers and reimbursements).......  1.00%
 
</TABLE>

EXAMPLE OF EXPENSES

An investor would pay the following expenses on a $1,000 investment in Class R
shares of the Fund, assuming (1) a 5% annual return and (2) redemption at the
end of each time period:

 1 YEAR          3 YEARS        5 YEARS           10 YEARS
- --------         -------         -------          --------
 $____            $____           $____             $____

                             EXPLANATION OF TABLES

  The purpose of the foregoing tables is to assist an investor in understanding
the various fees and expenses that an investor in the Fund will pay directly or
indirectly. The foregoing tables reflect expenses for the Fund at both the Fund
and the Master Portfolio levels. The tables do not reflect any charges that may
be imposed by Shareholder Servicing Agents or Selling Agents, including BGFA,
directly on customer accounts in connection with an investment in the Fund. The
following provides a general explanation of the information provided in the
table for the Fund.

  ANNUAL FUND OPERATING EXPENSES reflect the contractual level of such fees
currently payable by the Fund. BGFA, BGI and Stephens each, in its sole
discretion, may waive or reimburse all or a portion of its respective fees
charged to, or expenses paid by, the Fund or Master Portfolio. Any waivers or
reimbursements would reduce the Fund's total expenses and have a favorable
impact on its performance. For more complete descriptions of the various costs
and expenses you can expect to incur as an investor in Class R shares of the
Fund, please see the Prospectus section captioned "Management of the Fund."

  EXAMPLE OF EXPENSES is a hypothetical illustration of the expenses associated
with a $1,000 investment in the Fund over stated periods, based on the expenses
in the table above and an assumed annual rate of return of 5%. This annual rate
of return should not be considered an indication of actual or expected Fund
performance. In addition, the Example of Expenses should not be considered a
representation of past or future expenses; actual expenses and returns may be
greater or less than those shown above.

  With regard to the combined fees and expenses of the Fund and the Master
Portfolio, the Company's Board of Directors has considered whether the various
costs and benefits of investing all of the Fund's assets in the Master Portfolio
rather than directly in a portfolio of securities would be more or less than if
the Fund invested in portfolio securities directly. The Company's Board of
Directors believes that the aggregate per share expenses of the Fund and its
Master Portfolio will be less than or approximately equal to the expenses such
Fund would incur if it directly acquired and managed the type of securities held
by its Master Portfolio. The Company's Board of Directors believes that if other
investors invest their assets in the Master Portfolio, certain economic
efficiencies may be realized with respect to the Master Portfolio.  For example,
fixed expenses that otherwise would have been borne solely by the Fund would be
spread across a larger asset base provided by more than one fund investing in a
Master Portfolio. There can be no assurance that these economic efficiencies
will be achieved. See "Management of the Fund" for more complete descriptions of
the various costs and expenses applicable to investors in of the Fund.

                                       4
<PAGE>
 
  Other mutual funds and accredited investors may invest in the Master
Portfolio. The expenses and, accordingly, the investment returns of such other
mutual funds may differ from those of the Fund. Information about other
investment options in the Master Portfolio may be obtained by calling Stephens
at 1-800-643-9691.

                                       5
<PAGE>
 
                                    THE FUND

INVESTMENT OBJECTIVE AND POLICIES

  The following is a summary of the investment objectives and policies of the
Fund.

ASSET ALLOCATION FUND

  The Asset Allocation Fund seeks to achieve over the long term a high level of
total return, including net realized and unrealized capital gains and net
investment income, consistent with reasonable risk. This investment objective is
fundamental and cannot be changed without shareholder approval. The Fund seeks
to achieve its investment objective by investing all of its assets in the Asset
Allocation Master Portfolio of MIP, which has substantially the same fundamental
investment objective as the Fund.

  The Master Portfolio seeks to achieve its objective by pursuing an asset
allocation strategy. This strategy is based upon the premise that certain asset
classes from time to time are under- or over-valued by the market relative to
each other and that under-valued asset classes represent relatively better long-
term, risk-adjusted investment opportunities, and that timely, low-cost shifts
among common stocks, U.S. Treasury bonds and money market instruments (as
determined by their perceived relative over- or under-valuation) can produce
investment returns superior to maintaining a static allocation. The Fund is
designed for investors with investment horizons of five years or greater; it is
not designed for investors seeking short-term gains.

  BGFA uses an investment model developed in 1973 (the "Asset Allocation Model")
to pursue the Master Portfolio's asset allocation strategy. The Asset Allocation
Model is presently used as a basis for managing several large employee benefit
trust funds and other institutional accounts and is proprietary to BGFA. The
Asset Allocation Model analyzes extensive financial data from numerous sources
and regularly determines a recommended portfolio allocation among common stocks,
U.S. Treasury bonds and money market instruments. The Asset Allocation Model has
broad latitude in selecting the class of investments and the particular
securities within a class in which the Master Portfolio may invest. At any given
time, substantially all of the Master Portfolio's assets may be invested in a
single asset class and the relative allocation among the asset classes may shift
significantly from time to time.

  The Master Portfolio's investments are compared from time to time to the Asset
Allocation Model's recommended allocation. Recommended reallocations are
implemented subject to BGFA's assessment of current economic conditions and
investment opportunities. BGFA may change from time to time the criteria and
methods it uses to implement the recommendations of the Asset Allocation Model.
Recommended reallocation is implemented in accordance with trading policies
designed to take advantage of market opportunities and reduce transaction costs.
The asset allocation mix selected by the Asset Allocation Model is the primary
determinant in the Master Portfolio's investment performance.

  The overall management of the Master Portfolio is based on the recommendation
of the Asset Allocation Model, and no person is primarily responsible for
recommending the mix of asset classes in the Asset Allocation Master Portfolio
or the mix of securities within the asset classes. Decisions relating to the
Asset Allocation Model are made by BGFA's investment committee.

  The Asset Allocation Master Portfolio's assets are invested as follows:

  Stock Investments. In making its stock investments, the Asset Allocation
Master Portfolio invests in substantially all of the common stocks which
comprise the S&P 500 Index/1/ using, to the extent feasible, the same weighting
used 

- ---------------------
/1/   S&P does not sponsor the Asset Allocation Fund or the Asset Allocation
Master Portfolio, nor is it affiliated in any way with BGFA, the Asset
Allocation Master Portfolio or the Asset Allocation Fund. "Standard &
Poor's(R)," "S&P(R)," "S&P 500(R)," and "Standard & Poor's 500(R)" are
trademarks of McGraw-Hill, Inc. and have been licensed for use by the Asset
Allocation Fund and the Asset Allocation Master Portfolio. The Asset Allocation
Fund and the Asset Allocation Master Portfolio are not sponsored, endorsed,
sold, or promoted 

                                       6
<PAGE>

by that index. The Master Portfolio does not individually select common stocks
on the basis of traditional investment analysis.
 
  U.S. Treasury Bonds. The Master Portfolio invests in U.S. Treasury bonds with
remaining maturities of at least 20 years. The Asset Allocation Master Portfolio
invests this portion of its assets in an effort to replicate the total return
performance of the Lehman Brothers 20 Year Treasury Index which is composed of
U.S. Treasury securities with remaining maturities of 20 years or more.

  Money Market Investments. The money market instruments held by the Master
Portfolio generally consist of high-quality money market instruments, including
U.S. Government obligations, obligations of domestic and foreign banks, short-
term corporate debt instruments, repurchase agreements and time deposits.

  A more complete description of the Master Portfolio's investments and
investment activities is contained in "Appendix -- Additional Investment
Policies."

RISK CONSIDERATIONS

General

  Since the investment characteristics and, therefore, investment risks directly
associated with such characteristics of the Fund correspond to those of the
Master Portfolio in which the Fund invests, the following is a discussion of the
risks associated with the investments of the Master Portfolio. Once again,
unless otherwise specified, references to the investment policies and risks of
the Fund also should be understood as references to the investment policies and
risks of the Master Portfolio.

  The NAV per share of each class of the Fund is neither insured nor guaranteed,
is not fixed and should be expected to fluctuate.

Equity Securities

  The stock investments of the Fund are subject to equity market risk.  Equity
market risk is the possibility that common stock prices will fluctuate or
decline over short or even extended periods.  The U.S. stock market tends to be
cyclical, with periods when stock prices generally rise and periods when prices
generally decline.  Throughout the first six months of 1998, the stock market,
as measured by the S&P 500 Index and other commonly used indices, was trading at
or close to record levels.  There can be no guarantee that these performance
levels will continue.

Debt Securities

  The debt instruments in which the Fund invests are subject to credit and
interest rate risk.  Credit risk is the risk that issuers of the debt
instruments in which the Fund invests may default on the payment of principal
and/or interest. Interest-rate risk is the risk that increases in market
interest rates may adversely affect the value of the debt instruments in which
the Fund invests.  The value of the debt instruments generally changes inversely
to market interest rates.  Debt securities with longer maturities, which tend to
produce higher yields, are subject to potentially greater capital appreciation
and depreciation than obligations with shorter maturities.  Changes in the
financial strength of an issuer or changes in the ratings of any particular
security may also affect the value of these investments.

  Although some of the Fund's securities are guaranteed by the U.S. Government,
its agencies or instrumentalities, such securities are subject to interest rate
risk and the market value of these securities, upon which the Fund's daily NAV
is based, will fluctuate.  No assurance can be given that the U.S. Government
would provide financial support to its agencies or instrumentalities where it is
not obligated to do so.

- -----------------------
by S&P and S&P makes no representation or warranty, express or implied,
regarding the advisability of investing in the Asset Allocation Fund or the
Asset Allocation Master Portfolio.

                                       7
<PAGE>
 
Foreign Securities

  Investing in the securities of issuers in any foreign country, including
through American Depository Receipts ("ADRs"), European Depository Receipts
("EDRs") and similar securities, involves special risks and considerations not
typically associated with investing in U.S. companies.  These include
differences in accounting, auditing and financial reporting standards; generally
higher commission rates on foreign portfolio transactions; the possibility of
nationalization, expropriation or confiscatory taxation; adverse changes in
investment or exchange control regulations (which may include suspension of the
ability to transfer currency from a country); and political, social and monetary
or diplomatic developments that could affect U.S. investments in foreign
countries.  Additionally, dispositions of foreign securities and dividends and
interest payable on those securities may be subject to foreign taxes, including
withholding taxes.  Foreign securities often trade with less frequency and
volume than domestic securities and, therefore, may exhibit greater price
volatility.  Additional costs associated with an investment in foreign
securities may include higher custodial fees than apply to domestic custodial
arrangements and transaction costs of foreign currency conversions.  Changes in
foreign exchange rates also will affect the value of securities denominated or
quoted in currencies other than the U.S. dollar.  The Fund's performance may be
affected either unfavorably or favorably by fluctuations in the relative rates
of exchange between the currencies of different nations, by exchange control
regulations and by indigenous economic and political developments.

Other Investment Considerations

  Because the Fund may shift investment allocations significantly from time to
time, its performance may differ from funds which invest in one asset class or
from funds with a stable mix of assets.  Further, shifts among asset classes may
result in relatively high turnover and transaction (i.e., brokerage commission)
costs.  Portfolio turnover also can generate short-term capital gains tax
consequences.  During those periods in which a higher percentage of certain of
the Fund's assets are invested in long-term bonds, the Master Portfolio's
exposure to interest-rate risk will be greater because the longer maturity of
such securities means they are generally more sensitive to changes in market
interest rates than short-term securities.

  The Asset Allocation Fund may enter into futures transactions, each of which
involves risk.  The futures contracts and options on futures contracts that the
Fund may purchase may be considered derivatives.  Certain of the floating-and-
variable-rate instrument that the Fund may purchase also may be considered
derivatives.  Derivatives are financial instruments whose values are derived, at
least in part, from the prices of other securities or specified assets, indices
or rates.  The Fund may use some derivatives as part of its short-term liquidity
holdings and/or substitutes for comparable market positions in the underlying
securities.  Some derivatives may be more sensitive than direct securities to
changes in interest rates or sudden market moves.  Some derivatives also may be
susceptible to fluctuations in yield or value due to their structure or contract
terms.  The Fund may not use derivatives to create leverage without establishing
adequate "cover" in compliance with SEC leverage rules.

  Asset allocation and modeling strategies are employed by BGFA for other
investment companies and accounts advised or sub-advised by BGFA. If these
strategies indicate particular securities should be purchased or sold, at the
same time, by the Fund and one or more of these investment companies or
accounts, available investments or opportunities for sales will be allocated
equitably to each by BGFA. In some cases, this procedure may adversely affect
the size of the position obtained for or disposed of by the Fund or the price
paid or received by such Fund.

YEAR 2000

  Many computer software systems in use today cannot distinguish the Year 2000
from the Year 1900.  Most of the services provided to the Fund depend on the
smooth functioning of computer systems.  Any failure to adapt these systems in
time could hamper the Fund's operations and services.  The Fund's principal
service providers have advised the Fund that they are working on necessary
changes to their systems and that they expect their systems to be adapted in
time.  There can, of course, be no assurance of success.  In addition, because
the Year 2000 issue affects virtually all organizations, the companies or
entities in which the Fund invests also could be adversely impacted by the Year
2000 issue.  The extent of such impact cannot be predicted.

                                       8
<PAGE>
 
PERFORMANCE

  For purposes of advertising, the performance of Class R shares of the Fund may
be calculated on the basis of average annual total return and/or cumulative
total return of shares.  Performance may vary among share classes due to
differing expense levels.  Average annual total return of shares is calculated
pursuant to a standardized formula which assumes that an investment in shares of
a Fund was purchased with an initial payment of $1,000 and that the investment
was redeemed at the end of a stated period of time, after giving effect to the
reinvestment of dividends and distributions during the period. The return of
shares is expressed as a percentage rate which, if applied on a compounded
annual basis, would result in the redeemable value of the investment in shares
at the end of the period. Advertisements of the performance of shares of the
Fund includes the Fund's average annual total return of shares for one, five and
ten year periods, or for shorter time periods depending upon the length of time
during which such Fund has operated.

  Cumulative total return of shares is computed on a per share basis and assumes
the reinvestment of dividends and distributions. Cumulative total return of
shares generally is expressed as a percentage rate which is calculated by
combining the income and principal charges for a specified period and dividing
by the NAV per share at the beginning of the period. Advertisements may include
the percentage rate of total return of shares or may include the value of a
hypothetical investment in shares at the end of the period which assumes the
application of the percentage rate of total return.


  Performance figures are based on historical results and are not intended to
indicate future performance. Investors should remember that performance is a
function of the type and quality of portfolio securities held by the Master
Portfolio in which the Fund invests and is affected by operating expenses.
Performance information, such as that described above, may not provide a basis
for comparison with other investments or other investment companies using a
different method of calculating performance.

  Additional information about the performance of the Fund is contained in the
Annual Report which may be obtained by calling the Company at 1-888-204-3956.

                             MANAGEMENT OF THE FUND

  GENERAL -- The Company has not retained the services of an investment adviser
because the Fund's assets are invested in a Master Portfolio of Master
Investment Portfolio ("MIP") that has retained investment advisory services (see
"Master Portfolio Investment Adviser" below). The Fund bears a pro rata portion
of the fees paid by the Master Portfolio.

  MIP is registered under the 1940 Act as an open-end management investment
company. MIP was organized on October 21, 1993 as a Delaware business trust.

  BOARD OF DIRECTORS -- The business and affairs of the Company are managed
under the direction of its Board of Directors and in conformity with Maryland
law. The Company's Directors also serve as Trustees of MIP. Additional
information regarding the Officers and Directors/Trustees of the Company, MIP is
included in the SAI under "Management."

  INVESTMENT ADVISER -- BGFA serves as investment adviser to the Master
Portfolio. BGFA provides investment guidance and policy direction in connection
with the management of the Master Portfolio's assets. BGFA is an indirect
subsidiary of Barclays Bank PLC ("Barclays") and is located at 45 Fremont
Street, San Francisco, California 94105. As of April 30, 1998, BGFA and its
affiliates provided investment advisory services for approximately $575 billion
of assets.

  For its advisory services to the Master Portfolio, BGFA is contractually
entitled to receive from the Master Portfolio monthly fees at the annual rate of
0.35% of the Master Portfolio's average daily net assets.

                                       9
<PAGE>
 
  BGFA, Barclays and their affiliates deal, trade and invest for their own
account in the types of securities in which the Master Portfolio may invest and
may have deposit, loan and commercial banking relationships with the issuers of
securities purchased by the Master Portfolio. BGFA has informed the Master
Portfolio that in making investment decisions the Adviser does not obtain or use
material inside information in its possession.

  Morrison and Foerster LLP, counsel to the Company, MIP and special counsel to
BGFA, has advised the Company, MIP, and BGFA that BGFA and its affiliates may
perform the services contemplated by the Investment Advisory Contract and this
Prospectus without violation of the Glass-Steagall Act. Such counsel has pointed
out, however, that there are no controlling judicial or administrative
interpretations or decisions and that future judicial or administrative
interpretations of, or decisions relating to, present federal or state statutes,
including the Glass-Steagall Act, and relating to the permissible activities of
banks and their subsidiaries or affiliates, as well as future changes in such
statutes, regulations and judicial or administrative decisions or
interpretations, could prevent such entities from continuing to perform, in
whole or in part, such services. If any such entity were prohibited from
performing any such services, it is expected that new agreements would be
proposed or entered into with another entity or entities qualified to perform
such services.

  CO-ADMINISTRATORS -- Stephens and BGI are the Fund's co-administrators.
Stephens and BGI provides the Fund with administrative services, including
general supervision of the Fund's non-investment operations, coordination of the
other services provided to the Fund, compilation of information for reports to
the SEC and the state securities commissions, preparation of proxy statements
and shareholder reports, and general supervision of data compilation in
connection with preparing periodic reports to the Company's directors and
officers. Stephens also furnishes office space and certain facilities to conduct
the Fund's business, and compensates the Company's directors, officers and
employees who are affiliated with Stephens. In addition, except as outlined
below under "Expenses," Stephens and BGI will be responsible for paying all
expenses incurred by the Fund other than the fees payable to BGFA. For these
services, Stephens and BGI are entitled to a monthly fee at the annual rate of
0.40% of the Fund's average daily net assets.

  BGI has delegated certain of its duties as administrator to Investors Bank &
Trust Company ("IBT"). IBT, as sub-administrator, is compensated by BGI for
performing certain administration services. Prior to October 21, 1996, Stephens
was the Fund's sole administrator and received fees for its services as
described in the SAI.

  DISTRIBUTOR -- Stephens is the distributor for the Fund's shares. Stephens is
a full service broker/dealer and investment advisory firm located at 111 Center
Street, Little Rock, Arkansas 72201. Stephens and its predecessor have been
providing securities and investment services for more than 60 years.
Additionally, it has been providing discretionary portfolio management services
since 1983. Stephens currently manages investment portfolios for pension and
profit sharing plans, individual investors, foundations, insurance companies and
university endowments. Stephens, as the Company's sponsor and the principal
underwriter of the Fund within the meaning of the 1940 Act, has entered into a
Distribution Agreement with the Company pursuant to which Stephens has the
responsibility for distributing Fund shares. The Distribution Agreement provides
that Stephens shall act as agent for the Fund for the sale of its shares, and
may enter into Selling Agreements with selling agents that wish to make
available Fund shares to their respective customers ("Selling Agents"). BGI
presently acts as a Selling Agent, but does not receive any fee from the Fund
for such activities.

  CUSTODIAN -- IBT currently acts as the Fund's custodian. The principal
business address of IBT is 200 Clarendon Street, Boston, Massachusetts 02111.
IBT is not entitled to receive compensation for its custodial services so long
as it is entitled to receive compensation for providing sub-administration
services to the Fund.

  TRANSFER AND DIVIDEND DISBURSING AGENT -- IBT also acts as the Company's
transfer and dividend disbursing agent.

  SHAREHOLDER SERVICING AGENTS -- The Fund has adopted a Shareholder Servicing
Plan pursuant to which they have entered into a Shareholder Servicing Agreement
with BGI, and may enter into similar agreements with other entities
("Shareholder Servicing Agents") for the provision of certain services to the
Fund. The services provided may include personal services relating to
shareholder accounts, such as answering shareholder inquiries, providing 

                                       10
<PAGE>
 
reports and other information, and providing services related to the maintenance
of shareholder accounts. For these services, each Shareholder Servicing Agent is
entitled to receive a monthly fee equal to 0.20% of the average daily net assets
of the Fund represented by shares owned during the period for which payment is
being made by investors with whom the Shareholder Servicing Agent maintains a
servicing relationship, or an amount which equals the maximum amount payable to
the Shareholder Servicing Agent under applicable laws, regulations or rules,
including the Conduct Rules of the National Association of Securities Dealers,
Inc., whichever is less. Stephens and BGI as co-administrators have agreed to
pay these shareholder servicing fees out of the fees each receives for co-
administration services.

  A Shareholder Servicing Agent may impose certain conditions on its customers,
subject to the terms of this Prospectus, in addition to or different from those
imposed by the Fund, such as requiring a higher minimum initial investment or
payment of a separate fee for additional services. Each Shareholder Servicing
Agent is required to agree to disclose any fees it may directly charge its
customers who are shareholders of the Fund and to notify them in writing at
least thirty days before it imposes any transaction fees.

  DISTRIBUTION PLAN -- We have adopted a distribution plan for Class R shares of
the Fund.  This plan authorizes payment for distribution-related expenses, and
compensation to selling agents.  The Fund may participate in joint distribution
activities with other MasterWorks Funds.  The cost of these activities is
generally allocated among the Funds.  Funds with higher asset levels pay a
higher proportion of these costs.  The 12b-1 fee for this plan is 0.25%.

  EXPENSES -- Except for extraordinary expenses, brokerage and other expenses
connected with the execution of portfolio transactions and certain other
expenses which are borne by the Fund, Stephens and BGI have agreed to bear all
costs of the Fund's and the Company's operations.

                               HOW TO BUY SHARES

WHO MAY INVEST

  Only the following types of investors are eligible to invest in shares of the
Fund:

 .  Participants in Benefit Plans ("Plan Participants"), including retirement
    plans, that have appointed one of the Company's Shareholder Servicing Agents
    as plan trustee, plan administrator or other agent, or whose plan trustee,
    plan administrator or other agent has a servicing arrangement with a
    Shareholder Servicing Agent that permits investments in Fund shares, and
    Plan Participants who invest pursuant to an agreement between such a Benefit
    Plan and a Shareholder Servicing Agent.

 .  Individuals using proceeds that are being rolled over directly from a
    qualified Benefit Plan to an IRA pursuant to arrangements between the
    sponsor or other agent of the qualified Benefit Plan and a Shareholder
    Servicing Agent.

 .  Investors that have a servicing arrangement with one of the Company's
    Shareholder Servicing Agents that permits investments in Fund shares
    ("Qualified Buyers").

  Eligible investors may purchase Fund shares in one of the several ways
described below. For more information or additional forms, call 1-888-204-3956.
The Company or Stephens may make the Prospectus available in an electronic
format. Upon receipt of a request by an investor or the investor's
representative, the Company or Stephens will transmit or cause to be transmitted
promptly, without charge, a paper copy of the electronic Prospectus.

                                       11
<PAGE>
 
MINIMUM INVESTMENT AMOUNT

  In most cases, investors in Fund shares are not required to establish or
maintain a minimum investment amount. All investments in Fund shares are subject
to a determination by the Company that the investment instructions are complete.
If shares are purchased by a check that does not clear, the Company reserves the
right to cancel the purchase and hold the investor responsible for any losses or
fees incurred. The Company reserves the right in its sole discretion to suspend
the availability of the Fund's shares and to reject any purchase requests.
Certificates for Fund shares are not issued. Shareholder Servicing Agents may
establish investment amount and account balance requirements different from
those of the Fund and may charge fees in addition to those charged by the Fund.

GENERAL

  Shares of the Fund may be purchased on any Business Day at the net asset value
per share next determined after an order in proper form is received by the
Transfer Agent. Purchase orders that are received by the Transfer Agent before
the close of regular trading on the NYSE (currently 1:00 p.m., Pacific time) are
executed on the same day. Orders received by the Transfer Agent after the close
of regular trading on the NYSE are executed on the next Business Day. The
investor's Shareholder Servicing Agent is responsible for the prompt
transmission of the investor's purchase order to the Transfer Agent on the
investor's behalf. Under certain circumstances, a Shareholder Servicing Agent
may establish an earlier deadline for receipt of orders or an investor's order
transmitted to a Shareholder Servicing Agent may not be received by the Transfer
Agent on the same day at the NAV determined as of the close of regular trading
on the NYSE on that Business Day.

  Federal regulations require that an investor provide a valid taxpayer
identification number ("TIN"), which is usually the investor's social security
number or employee identification number, upon opening or reopening an account.

BENEFIT PLANS

  Shares of the Fund are offered to Benefit Plans that have appointed one of the
Fund's Shareholder Servicing Agents as plan trustee, plan administrator or other
agent, or whose plan trustee, plan administrator or other agent has a servicing
arrangement with a Shareholder Servicing Agent that permits investments in Fund
shares. Benefit Plans include 401(k) plans and plans qualified under Section
401(a) of the Internal Revenue Code of 1986, as amended (the "Code"), health and
welfare plans and executive deferred compensation plans. For additional
information about Benefit Plans that may be eligible to invest in Fund shares,
prospective investors should contact a Shareholder Servicing Agent.

  Fund investments by participants in 401(k) plans are typically made by payroll
deductions arranged between participants and their employers. Participants in
the MasterWorks 401(k) program are included in this group. Participants also may
make direct contributions to their accounts in special circumstances such as the
transfer of a rollover amount from another 401(k) plan or from a rollover IRA.
Investors should contact their employer's benefits department for more
information about contribution methods.

  Plan Participants who have established an account with a Shareholder Servicing
Agent may purchase Fund shares in accordance with their account arrangements
with such Shareholder Servicing Agent. The Shareholder Servicing Agent is
responsible for the prompt transmission of purchase orders. Shareholder
Servicing Agents may charge additional fees for maintaining customer accounts
other than those charged by the Fund.

IRAS, KEOGHS AND OTHER INDIVIDUAL RETIREMENT PLANS

  An investor may be entitled to invest in shares of the Fund through a tax-
deferred retirement plan. In addition to offering investments in Fund shares
through IRA rollovers, a Shareholder Servicing Agent may offer other types of
tax-deferred or tax-advantaged plans, including a Keogh retirement plan for
self-employed professional persons, sole proprietors and partnerships. Contact a
Shareholder Servicing Agent for materials describing plans available through it,
and their benefits, provisions and fees.

                                       12
<PAGE>
 
  Application materials for opening an IRA rollover, Keogh retirement plan or
other individual retirement plan can be obtained from a Shareholder Servicing
Agent. Completed retirement plan applications should be returned to the
investor's Shareholder Servicing Agent for approval and processing. If an
investor's retirement plan application is incomplete or improperly filled out,
there may be a delay before the Fund account is opened. Investors should consult
their Shareholder Servicing Agent.

PURCHASES BY QUALIFIED BUYERS

  Qualified Buyers may open a Fund account through a Shareholder Servicing Agent
with whom they have an existing account arrangement. Shareholder Servicing
Agents may transmit purchase orders to the Transfer Agent on behalf of
investors, including purchase orders for which payment is to be made by wire or
by transfer from an Approved Bank designated in an investor's Account
Application ("Approved Bank Account").

TO PURCHASE FUND SHARES:

  By Check:  Initial and subsequent investments should be sent to MasterWorks
Funds, Inc., c/o Investors Bank and Trust Co., P.O. Box 9130, Mail Code MFD23,
Boston, MA  02117-9130.

  By Wire:  Investors establishing new accounts should telephone Investors Bank
& Trust Co., at 1-888-204-3956 prior to sending the bank wire.

 Investors should instruct their bank to wire funds as follows:

   Investors Bank & Trust Co.
   ABA #011-001-438
   Attn:  Transfer Agent
   Account #DDA 555555535
   For Further Credit to:  MasterWorks Funds, Inc.
   Shareholder Account Name:
   Shareholder Account Number:

IN-KIND PURCHASES

  Payment for shares of the Fund may, at the discretion of BGFA as investment
adviser, be made in the form of securities that are permissible investments for
the Fund. Shares purchased in exchange for securities can not be redeemed until
the exchange transaction has settled. For further information, see "Purchase and
Redemption of Shares" in the SAI.

                              HOW TO REDEEM SHARES

GENERAL

  Investors may redeem all or a portion of their Fund shares on any Business Day
without any charge by the Company. The redemption price of the shares is the
next determined NAV of the Fund calculated after the Company has received a
redemption request in proper form. Redemption proceeds may be more or less than
the amount invested depending on the Fund's NAV at the time of purchase and
redemption.

  The Company generally remits redemption proceeds from the Fund within seven
days after a redemption order is received in proper form, absent extraordinary
circumstances. Such extraordinary circumstances could include a period during
which an emergency exists as a result of which (a) disposal by the Master
Portfolio in which the Fund invests of securities owned by the Master Portfolio
is not reasonably practicable or (b) it is not reasonably practicable for the
Fund or the Master Portfolio to determine fairly the value of its net assets, or
a period during which the SEC by order permits deferral of redemptions for the
protection of Fund shareholders. In addition, the 

                                       13
<PAGE>
 
Company may defer payment of a shareholder's redemption until reasonably
satisfied that such shareholder's investments made by check have been collected
(which can take up to ten days from the purchase date). Payment of redemption
proceeds may be made in portfolio securities, subject to regulation by some
state securities commissions.

  Redemption orders that are received by the Transfer Agent before the close of
regular trading on the NYSE (currently 1:00 p.m., Pacific time), will be
executed at the NAV determined as of the close of regular trading on the NYSE on
that Business Day.  Redemption orders that are received by the Transfer Agent
after the close of regular trading on the NYSE, will be executed on the next
Business Day. The investor's Shareholder Servicing Agent is responsible for the
prompt transmission of redemption orders to the Fund on the investor's behalf.
Under certain circumstances, a Shareholder Servicing Agent may establish an
earlier deadline for receipt of orders or an investor's order transmitted to a
Shareholder Servicing Agent may not be received by the Transfer Agent on the
same day.

  Unless the investor has made other arrangements with an appropriate
Shareholder Servicing Agent, and the Transfer Agent has been informed of such
arrangements, proceeds of a redemption order made by the investor through the
investor's Shareholder Servicing Agent are credited to the investor's Approved
Bank Account. If no such account is designated, a check for the proceeds is
mailed to the investor's address of record or, if such address is no longer
valid, the proceeds are credited to the investor's account with the investor's
Shareholder Servicing Agent.

BENEFIT PLANS, IRAS, KEOGHS AND OTHER INDIVIDUAL RETIREMENT PLANS

  Investors in these types of plans are subject to restrictions on withdrawing
their money under the Code. Each type of plan has established procedures for
withdrawals, which are disclosed to investors at the time of purchase. Investors
may obtain more information by contacting their employer and/or their
Shareholder Servicing Agent. The redemption procedures outlined in the remainder
of this section do not apply to investors in Benefit Plans or retirement plans.
Investors in these types of plans should contact their Shareholder Servicing
Agent regarding redemption procedures applicable to them.

REDEMPTIONS BY QUALIFIED BUYERS

  Qualified Buyers should contact their Shareholder Servicing Agent regarding
redemption procedures applicable to them.

                               EXCHANGE PRIVILEGE

  The exchange privilege enables an investor to purchase, in exchange for shares
of the Fund, shares of another fund offered by the Company in the investor's
state of residence. Before undertaking an exchange into another fund, investors
should obtain and read a copy of the current prospectus of the fund into which
the exchange is being made. A prospectus may be obtained by calling the Company
at 1-888-204-3956.

  Shares are exchanged at the next determined NAV. No fees are currently charged
to shareholders directly in connection with exchanges, although the Company
reserves the right, upon not less than 60 days' written notice, to charge
shareholders a nominal exchange fee in accordance with rules promulgated by the
SEC. The Company reserves the right to limit the number of times shares may be
exchanged and to reject in whole or in part any exchange request into a fund
when management believes that such action would be in the best interests of such
fund's other shareholders, such as when management believes such action would be
appropriate to protect a fund against disruptions in portfolio management
resulting from frequent transactions by those seeking to time market
fluctuations. Any such rejection is made by management on a prospective basis
only, upon notice to the shareholder given not later than 10 days following such
shareholder's most recent exchange. The exchange privilege may be modified or
terminated at any time upon 60 days' written notice to shareholders.

                                       14
<PAGE>
 
                                  SHARE VALUE

  Shares of the Fund are sold on a continuous basis at the applicable offering
price next determined after an order in proper form is received by the Transfer
Agent. NAV per share is determined each Business Day as of the close of regular
trading on the NYSE (currently 1:00 p.m., Pacific time).

  The NAV of a share of the Fund is the value of total net assets attributable
to such Fund divided by the number of outstanding shares of that Fund. The value
of the net assets is determined daily by adjusting the net assets at the
beginning of the day by the value of shareholder activity, net investment income
and net realized and unrealized gains or losses for that day. Net investment
income is calculated each day as daily income less expenses. The NAV of the Fund
is expected to fluctuate daily and is expected to differ. The Fund's investment
in the Master Portfolio is valued at the NAV of such Master Portfolio's shares.
The Master Portfolio calculates the NAV of its shares on the same days and at
the same time as the Fund. Except for debt obligations with remaining maturities
of 60 days or less, which are valued at amortized cost, the Master Portfolio's
assets are valued at current market prices, or if such prices are not readily
available, at fair value as determined in good faith in accordance with
guidelines approved by the appropriate Board of Trustees. Prices used for such
valuations may be provided by independent pricing services. For further
information regarding the methods employed in valuing the Master Portfolio's
investments, see "Determination of Net Asset Value" in the SAI.

                          DIVIDENDS AND DISTRIBUTIONS

  The Asset Allocation Fund intends to pay monthly dividends consisting of
substantially all of its net investment income and annual distributions
consisting of substantially all of its net realized capital gains. All dividends
and distributions are automatically reinvested at net asset value in shares of
the Fund paying such dividend or distribution, unless payment in cash is
requested and your arrangement with a Shareholder Servicing Agent permits the
processing of cash payments.

  Dividends and capital gain distributions have the effect of reducing the NAV
per share by the amount distributed on the payment date. Although a dividend or
distribution paid to an investor on newly acquired shares shortly after purchase
would represent, in substance, a return of capital, the dividend or distribution
may consist of net investment income or net realized capital gain and,
accordingly, would be taxable to the investor.

                                     TAXES

GENERAL

  Distributions from the Fund's net investment income and net short-term capital
gains, if any, are designated as dividend distributions and taxable to the
Fund's shareholders as ordinary income.  Distributions from the Fund's net
capital gain (generally the excess of net long-term capital gains over net
short-term capital loss) are designated as capital gain distributions and
taxable to the Fund's shareholders as capital gain.  Noncorporate shareholders
may be taxed on such gain at preferential rates.  In general, your distributions
will be taxable when paid, whether you take such distributions in cash or have
them automatically reinvested in additional Fund shares.  However, distributions
declared in October, November, and December and distributed by the following
January will be taxable as if they were paid by December 31.  A portion of Fund
distributions to corporate shareholders may qualify for the dividends-received
deduction in the hands of such shareholders.

  Your redemptions (including redemptions in-kind) and exchanges of Fund shares
will ordinarily result in a taxable capital gain or loss, depending on the
amount you receive for your shares (or are deemed to receive in the case of
exchanges) and the cost of your shares.  See "Federal Income Taxes --
Disposition of Fund Shares" in the SAI.

  If you buy shares of the Fund shortly before it distributes its annual gains,
your distribution from the Fund will, in effect, be a taxable return of part of
your investment.  Similarly, if you buy shares of the Fund that holds
appreciated securities in its portfolio, you will receive a taxable return of
part of your investment if and when the 

                                       15
<PAGE>
 
fund sells the appreciated securities and realizes the gain the Fund has built
up, or has the potential to build up, high levels of unrealized appreciation.

  Foreign shareholders may be subject to different tax treatment, including
withholding taxes. See "Federal Income Taxes -- Foreign Shareholders" in the
SAI.  In certain circumstances, U.S. residents may also be subject to
withholding taxes.  See "Federal Income Taxes -- Backup Withholding" in the SAI.

BENEFIT PLAN INVESTORS

  As a general matter, benefit plans, their sponsors and their participants are
not subject to federal income taxes at the time of receipt of net investment
income and capital gain distributions.

  However, such tax-exempt investors may be subject to tax on certain unrelated
taxable income which could arise, for example, when such investors acquire
shares in the Fund through the use of leverage. Tax-exempt investors should
consult their tax advisors regarding the Unrelated Business Taxable Income
Rules.

  The foregoing discussion regarding taxes is based on tax laws which were in
effect as of the date of this Prospectus and summarizes only some of the
important federal tax considerations generally affecting the Fund and its
shareholders. It is not intended as a substitute for careful tax planning; you
should consult your tax advisor with respect to your specific tax situation as
well as with respect to foreign, state and local taxes.  Further federal tax
considerations are discussed in the SAI.

                              GENERAL INFORMATION

DESCRIPTION OF THE COMPANY

  The Fund is a series of the Company. The Company was organized as a Maryland
corporation on October 15, 1992 and currently offers twelve series of shares.
The Company's principal office is located at 111 Center Street, Little Rock,
Arkansas 72201.

  The Board of Directors of the Company supervises the Fund's activities and
monitors its contractual arrangements with various service providers. Additional
information about the Directors and officers of the Company is included in the
Fund's SAI under "Management." Although the Company is not required to hold
regular annual shareholder meetings, occasional annual or special meetings may
be required for purposes such as electing or removing Directors, approving
advisory contracts and distribution plans and changing the Fund's investment
objectives or fundamental investment policies.

VOTING

  All shares of the Company have equal voting rights and will be voted in the
aggregate, rather than by series or class, unless otherwise required by law
(such as when a matter affects only one fund). Shareholders of the Fund are
entitled to one vote for each share owned and fractional votes for fractional
shares owned. Depending on the terms of a particular Benefit Plan and the matter
being submitted to a vote, a sponsor may request direction from individual
participants regarding a shareholder vote. In addition, whenever the Fund is
requested to vote on matters pertaining to a Master Portfolio, the Company will
hold a meeting of the Fund's shareholders and will cast its vote as instructed
by Fund shareholders. The directors of the Company will vote shares for which
they receive no voting instructions in the same proportion as the shares for
which they do receive voting instructions. A more detailed description of the
voting rights and attributes of the shares is contained in the "Capital Stock"
section of the SAI.

  Whenever the Fund, as a Master Portfolio interestholder, is requested to vote
on any matter submitted to interestholders of such Master Portfolio, the Fund
will hold a meeting of its shareholders to consider such matters. The Fund will
cast its votes in proportion to the votes received from its shareholders. Shares
for which the Fund receives no voting instructions are voted in the same
proportion as the votes received from the other Fund shareholders. If the Master
Portfolio's investment objective or policies are changed, the Fund may elect to
change 

                                       16
<PAGE>
 
its objective or policies to correspond to those of the Master Portfolio.
The Fund may also elect to redeem its interests in the Master Portfolio and
either seek a new investment company with a matching objective in which to
invest or retain its own investment adviser to manage the Fund's portfolio in
accordance with its objective. In the latter case, the Fund's inability to find
a substitute investment company in which to invest or equivalent management
services could adversely affect shareholders' investments in the Fund.

INDEPENDENT AUDITORS

  KPMG Peat Marwick LLP, Three Embarcadero Center, San Francisco, California
94111, serves as independent auditors for the Company.

LEGAL COUNSEL

  Morrison & Foerster LLP, 2000 Pennsylvania Avenue, N.W., Washington, D.C.
20006, serves as counsel to the Company.

INFORMATION ON THE FUND

  The Company provides annual and semi-annual reports to all shareholders. The
annual reports contain audited financial statements and other information about
the Fund including additional information on performance. Shareholders may
obtain a copy of the Company's most recent annual report without charge by
phoning 1-888-204-3956.

  NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS AND IN THE
COMPANY'S OFFICIAL SALES LITERATURE IN CONNECTION WITH THE OFFER OF THE FUND'S
SHARES AND, IF GIVEN OR MADE, SUCH OTHER INFORMATION OR REPRESENTATIONS MUST NOT
BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY. THIS PROSPECTUS DOES
NOT CONSTITUTE AN OFFER IN ANY STATE IN WHICH, OR TO ANY PERSON TO WHOM, SUCH
OFFERING MAY NOT LAWFULLY BE MADE.

                                       17
<PAGE>
 
                   APPENDIX -- ADDITIONAL INVESTMENT POLICIES

FUND INVESTMENTS

  Set forth below is a description of certain investments and additional
investment policies for the Asset Allocation Fund, except as otherwise
indicated.  REFERENCES TO THE INVESTMENTS AND INVESTMENT POLICIES AND
RESTRICTIONS OF THE FUND, UNLESS OTHERWISE INDICATED, SHOULD BE UNDERSTOOD AS
REFERENCES TO THE INVESTMENTS AND INVESTMENT POLICIES AND RESTRICTIONS OF THE
MASTER PORTFOLIO.

  U.S. GOVERNMENT OBLIGATIONS -- The Fund may invest in various types of U.S.
Government obligations. U.S. Government obligations include securities issued or
guaranteed as to principal and interest by the U.S. Government, its agencies or
instrumentalities. Payment of principal and interest on U.S. Government
obligations (i) may be backed by the full faith and credit of the United States
(as with U.S. Treasury obligations and GNMA certificates) or (ii) may be backed
solely by the issuing or guaranteeing agency or instrumentality itself (as with
FNMA notes). In the latter case, the investor must look principally to the
agency or instrumentality issuing or guaranteeing the obligation for ultimate
repayment, which agency or instrumentality may be privately owned. There can be
no assurance that the U.S. Government would provide financial support to its
agencies or instrumentalities where it is not obligated to do so. As a general
matter, the value of debt instruments, including U.S. Government obligations,
declines when market interest rates increase and rises when market interest
rates decrease. Certain types of U.S. Government obligations are subject to
fluctuations in yield or value due to their structure or contract terms.

  SECURITIES OF NON-U.S. ISSUERS -- The Fund may invest in certain securities of
non-U.S. issuers as discussed below.

  Obligations of Foreign Governments, Supranational Entities and Banks -- The
  --------------------------------------------------------------------       
Fund may invest in U.S. dollar-denominated short-term obligations issued or
guaranteed by one or more foreign governments or any of their political
subdivisions, agencies or instrumentalities that are determined by BGFA to be of
comparable quality to the other obligations in which such Fund may invest. The
Fund may also invest in debt obligations of supranational entities.
Supranational entities include international organizations designated or
supported by governmental entities to promote economic reconstruction or
development and international banking institutions and related government
agencies. Examples include the International Bank for Reconstruction and
Development (the World Bank), the European Coal and Steel Community, the Asian
Development Bank and the InterAmerican Development Bank. The percentage of the
Fund's assets invested in obligations of foreign governments and supranational
entities will vary depending on the relative yields of such securities, the
economic and financial markets of the countries in which the investments are
made and the interest rate climate of such countries.

  The Fund may invest a portion of its total assets in high-quality, short-term
(one year or less) debt obligations of foreign branches of U.S. banks or U.S.
branches of foreign banks that are denominated in and pay interest in U.S.
dollars.

  FLOATING- AND VARIABLE-RATE OBLIGATIONS -- The Fund may purchase debt
instruments with interest rates that are periodically adjusted at specified
intervals or whenever a benchmark rate or index changes. These adjustments
generally limit the increase or decrease in the amount of interest received on
the debt instruments. Floating- and variable-rate instruments are subject to
interest-rate risk and credit risk.

  BONDS -- Certain of the debt instruments purchased by the Asset Allocation
Fund may be bonds. A bond is an interest-bearing security issued by a company or
governmental unit. The issuer of a bond has a contractual obligation to pay
interest at a stated rate on specific dates and to repay principal (the bond's
face value) periodically or on a specified maturity date. An issuer may have the
right to redeem or "call" a bond before maturity, in which case the investor may
have to reinvest the proceeds at lower market rates. Most bonds bear interest
income at a "coupon" rate that is fixed for the life of the bond. The value of a
fixed rate bond usually rises when market interest rates fall, and falls when
market interest rates rise. Accordingly, a fixed rate bond's yield (income as a
percent of the bond's current value) may differ from its coupon rate as its
value rises or falls.

                                      A-1
<PAGE>
 
  Other types of bonds bear income at an interest rate that is adjusted
periodically. Because of their adjustable interest rates, the value of
"floating-rate" or "variable-rate" bonds fluctuates much less in response to
market interest rate movements than the value of fixed rate bonds. Also, the
Fund may treat some of these bonds as having a shorter maturity for purposes of
calculating the weighted average maturity of their investment portfolios. Bonds
may be senior or subordinated obligations. Senior obligations generally have the
first claim on a corporation's earnings and assets and, in the event of
liquidation, are paid before subordinated debt. Bonds may be unsecured (backed
only by the issuer's general creditworthiness) or secured (also backed by
specified collateral).

  FUTURES CONTRACTS AND OPTIONS TRANSACTIONS -- The Fund may use futures as a
substitute for a comparable market position in the underlying securities.

  A futures contract is an agreement between two parties, a buyer and a seller,
to exchange a particular commodity or financial statement at a specific price on
a specific date in the future. An option transaction generally involves a right,
which may or may not be exercised, to buy or sell a commodity or financial
instrument at a particular price on a specified future date. Futures contracts
and options are standardized and traded on exchanges, where the exchange serves
as the ultimate counterparty for all contracts. Consequently, the primary credit
risk on futures contracts is the creditworthiness of the exchange. Futures
contracts are subject to market risk (i.e., exposure to adverse price changes).

  Although the Fund intends to purchase or sell futures contracts only if there
is an active market for such contracts, no assurance can be given that a liquid
market will exist for any particular contract at any particular time. Many
futures exchanges and boards of trade limit the amount of fluctuation permitted
in futures contract prices during a single trading day. Once the daily limit has
been reached in a particular contract, no trades may be made that day at a price
beyond that limit or trading may be suspended for specified periods during the
trading day. Futures contract prices could move to the limit for several
consecutive trading days with little or no trading, thereby preventing prompt
liquidation of futures positions and potentially subjecting the Fund to
substantial losses. If it is not possible, or if the Fund determines not to
close a futures position in anticipation of adverse price movements, the Fund
will be required to make daily cash payments on variation margin.

  Stock Index Futures and Options on Stock Index Futures -- The Fund may invest
  ------------------------------------------------------                       
in stock index futures and options on stock index futures as a substitute for a
comparable market position in the underlying securities. A stock index future
obligates the seller to deliver (and the purchaser to take), effectively, an
amount of cash equal to a specific dollar amount times the difference between
the value of a specific stock index at the close of the last trading day of the
contract and the price at which the agreement is made. No physical delivery of
the underlying stocks in the index is made. With respect to stock indices that
are permitted investments, the Fund intends to purchase and sell futures
contracts on the stock index for which it can obtain the best price with
consideration also given to liquidity. There can be no assurance that a liquid
market will exist at the time when the Fund seeks to close out a futures
contract or a futures option position. Lack of a liquid market may prevent
liquidation of an unfavorable position.

  Interest-Rate Futures Contracts and Options on Interest-Rate Futures Contracts
  ------------------------------------------------------------------------------
- -- The Fund may invest in interest-rate futures contracts and options on
interest-rate futures contracts as a substitute for a comparable market position
in the underlying securities. The Fund may also sell options on interest-rate
futures contracts as part of closing purchase transactions to terminate its
options positions. No assurance can be given that such closing transactions can
be effected or the degree of correlation between price movements in the options
on interest rate futures and price movements in the Fund's portfolio securities
which are the subject of the transaction.

  Interest-Rate and Index Swaps -- The Fund may enter into interest-rate and
  -----------------------------                                             
index swaps in pursuit of its investment objectives. Interest-rate swaps involve
the exchange by the Fund with another party of their respective commitments to
pay or receive interest (for example, an exchange of floating-rate payments on
fixed-rate payments). Index swaps involve the exchange by the Fund with another
party of cash flows based upon the performance of an index of securities or a
portion of an index of securities that usually include dividends or income. In
each case, the exchange commitments can involve payments to be made in the same
currency or in different currencies. The Fund will usually enter into swaps on a
net basis. In so doing, the two payment streams are netted 

                                      A-2
<PAGE>
 
out, with the Fund receiving or paying, as the case may be, only the net amount
of the two payments. If the Fund enters into a swap, it will maintain a
segregated account on a gross basis, unless the contract provides for a
segregated account on a net basis. If there is a default by the other party to
such a transaction, the Fund will have contractual remedies pursuant to the
agreements related to the transaction.

  The use of interest-rate and index swaps is a highly specialized activity
which involves investment techniques and risks different from those associated
with ordinary portfolio security transactions. There is no limit, except as
provided below, on the amount of swap transactions that may be entered into by
the Fund. These transactions generally do not involve the delivery of securities
or other underlying assets or principal. Accordingly, the risk of loss with
respect to swaps generally is limited to the net amount of payments that the
Fund is contractually obligated to make. There is also a risk of a default by
the other party to a swap, in which case the Fund may not receive net amount of
payments that the Fund contractually is entitled to receive.

  INVESTMENT COMPANY SECURITIES -- The Master Portfolio may invest in securities
issued by other investment companies which principally invest in securities of
the type in which the Master Portfolio invests. Under the 1940 Act, a Master
Portfolio's investment in such securities currently is limited to, subject to
certain exceptions, (i) 3% of the total voting stock of any one investment
company, (ii) 5% of the Master Portfolio's net assets with respect to any one
investment company and (iii) 10% of the Master Portfolio's net assets in the
aggregate. Investments in the securities of other investment companies generally
will involve duplication of advisory fees and certain other expenses. The Master
Portfolio may also purchase shares of exchange listed closed-end funds.

  ILLIQUID SECURITIES -- The Fund may invest up to 15% of the value of its net
assets in securities as to which a liquid trading market does not exist,
provided such investments are consistent with its investment objective. Such
securities may include securities that are not readily marketable, such as
certain securities that are subject to legal or contractual restrictions on
resale, participation interests that are not subject to the demand feature
described above, floating- and variable-rate demand obligations as to which the
Master Portfolio cannot exercise the related demand feature described above on
not more than seven days' notice and as to which there is no secondary market
and repurchase agreements providing for settlement more than seven days after
notice.

 SHORT-TERM INSTRUMENTS AND TEMPORARY INVESTMENTS

  The Fund may invest in high-quality money market instruments on an ongoing
basis to provide liquidity, for temporary purposes when there is an unexpected
level of shareholder purchases or redemptions or when "defensive" strategies are
appropriate. The instruments in which the Fund may invest include: (i) short-
term obligations issued or guaranteed by the U.S. Government, its agencies or
instrumentalities (including government-sponsored enterprises); (ii) negotiable
certificates of deposit ("CDs"), bankers' acceptances, fixed time deposits and
other obligations of domestic banks (including foreign branches) that have more
than $1 billion in total assets at the time of investment and that are members
of the Federal Reserve System or are examined by the Comptroller of the Currency
or whose deposits are insured by the FDIC; (iii) commercial paper rated at the
date of purchase "Prime-1" by Moody's or "A-1+" or "A-1" by S&P, or, if unrated,
of comparable quality as determined by BGFA ; (iv) non-convertible corporate
debt securities (e.g., bonds and debentures) with remaining maturities at the
date of purchase of not more than one year that are rated at least "Aa" by
Moody's or "AA" by S&P; (v) repurchase agreements; and (vi) short-term, U.S.
dollar-denominated obligations of foreign banks (including U.S. branches) that,
at the time of investment have more than $10 billion, or the equivalent in other
currencies, in total assets and in the opinion of BGFA are of comparable quality
to obligations of U.S. banks which may be purchased by the Master Portfolio.

  Bank Obligations -- The Fund may invest in bank obligations, including
certificates of deposit, time deposits, bankers' acceptances and other short-
term obligations of domestic banks, foreign subsidiaries of domestic banks,
foreign branches of domestic banks, and domestic and foreign branches of foreign
banks, domestic savings and loan associations and other banking institutions.

  Certificates of deposit are negotiable certificates evidencing the obligation
of a bank to repay funds deposited with it for a specified period of time.

                                      A-3
<PAGE>
 
  Time deposits are non-negotiable deposits maintained in a banking institution
for a specified period of time at a stated interest rate. Time deposits which
may be held by the Fund will not benefit from insurance from the Bank Insurance
Fund or the Savings Association Insurance Fund administered by the Federal
Deposit Insurance Corporation.

  Bankers' acceptances are credit instruments evidencing the obligation of a
bank to pay a draft drawn on it by a customer. These instruments reflect the
obligation both of the bank and of the drawer to pay the face amount of the
instrument upon maturity. The other short-term obligations may include
uninsured, direct obligations, bearing fixed, floating- or variable-interest
rates.

  Commercial Paper and Short-Term Corporate Debt InstrumentS -- The Fund may
invest in commercial paper (including variable amount master demand notes),
which consists of short-term, unsecured promissory notes issued by corporations
to finance short-term credit needs. Commercial paper is usually sold on a
discount basis and has a maturity at the time of issuance not exceeding nine
months. Variable amount master demand notes are demand obligations that permit
the investment of fluctuating amounts at varying market rates of interest
pursuant to arrangements between the issuer and a commercial bank acting as
agent for the payee of such notes whereby both parties have the right to vary
the amount of the outstanding indebtedness on the notes. The investment adviser
and/or sub-adviser to the Fund monitors on an ongoing basis the ability of an
issuer of a demand instrument to pay principal and interest on demand.

  The Fund also may invest in non-convertible corporate debt securities (e.g.,
bonds and debentures) with not more than one year remaining to maturity at the
date of settlement. The Fund will invest only in such corporate bonds and
debentures that are rated at the time of purchase at least "Aa" by Moody's or
"AA" by S&P. Subsequent to its purchase by the Fund, an issue of securities may
cease to be rated or its rating may be reduced below the minimum rating required
for purchase by the Fund. The investment adviser and/or sub-adviser to the Fund
will consider such an event in determining whether the Fund should continue to
hold the obligation. To the extent the Fund continues to hold such obligations,
it may be subject to additional risk of default.

  Repurchase Agreements -- The Fund may enter into repurchase agreements wherein
the seller of a security to the Fund agrees to repurchase that security from the
Fund at a mutually-agreed upon time and price. The period of maturity is usually
quite short, often overnight or a few days, although it may extend over a number
of months. The Fund may enter into repurchase agreements only with respect to
securities that could otherwise be purchased by the Fund, and all repurchase
transactions must be collateralized. The Fund may incur a loss on a repurchase
transaction if the seller defaults and the value of the underlying collateral
declines or is otherwise limited or if receipt of the security or collateral is
delayed. The Fund may participate in pooled repurchase agreement transactions
with other funds advised by BGFA. See "Additional Permitted Investment
Activities" in the SAI for additional information.

  FORWARD COMMITMENTS, WHEN-ISSUED PURCHASES AND DELAYED-DELIVERY TRANSACTIONS -
- - The Fund may purchase or sell securities on a when-issued or delayed-delivery
basis and make contracts to purchase or sell securities for a fixed price at a
future date beyond customary settlement time. Securities purchased or sold on a
when-issued, delayed-delivery or forward commitment basis involve a risk of loss
if the value of the security to be purchased declines, or the value of the
security to be sold increases, before the settlement date. Although the Fund
will generally purchase securities with the intention of acquiring them, the
Fund may dispose of securities purchased on a when-issued, delayed-delivery or a
forward commitment basis before settlement when deemed appropriate by the
adviser.

  BORROWING MONEY -- As a fundamental policy, the Fund is permitted to borrow to
the extent permitted under the 1940 Act. However, the Fund currently intends to
borrow money only for temporary or emergency (not leveraging) purposes, and may
borrow up to one-third of the value of its total assets (including the amount
borrowed) valued at the lesser of cost or market, less liabilities (not
including the amount borrowed) at the time the borrowing is made. While
borrowings exceed 5% of the Fund's total assets, the Fund will not make any
investments.

                                      A-4
<PAGE>
 
  LOANS OF PORTFOLIO SECURITIES -- The Fund may lend securities from its
portfolios to brokers, dealers and financial institutions (but not individuals)
in order to increase the return on such Fund's portfolio. The value of the
loaned securities may not exceed one-third of the Fund's total assets and loans
of portfolio securities are fully collateralized based on values that are
marked-to-market daily. The Fund will not enter into any portfolio security
lending arrangement having a duration of longer than one year. The principal
risk of portfolio lending is potential default or insolvency of the borrower. In
either of these cases, the Fund could experience delays in recovering securities
or collateral or could lose all or part of the value of the loaned securities.
The Fund may pay reasonable administrative and custodial fees in connection with
loans of portfolio securities and may pay a portion of the interest or fee
earned thereon the borrower or a placing broker. See "Additional Permitted
Investment Activities" in the SAI for additional information.

INVESTMENT POLICIES

  The investment objective of the Fund as set forth in the first sentence of the
section describing the Fund under the heading entitled "The Fund -- Investment
Objective and Policies", is fundamental; that is, it may not be changed without
approval by the vote of the holders of a majority of the outstanding voting
securities of such Fund as described under "Capital Stock" in the SAI. In
addition, any fundamental investment policy may not be changed without
shareholder approval. If the Board of Directors of the Company determines,
however, that the investment objective of the Fund can best be achieved by a
substantive change in a non-fundamental investment policy or strategy, the Board
may make such change without shareholder approval and will disclose any such
material changes in the then current prospectus.

  As matters of fundamental policy, the Fund may: (i) not purchase securities of
any issuer (except U.S. Government obligations) if as a result, with respect to
75% of its total assets, more than 5% of the value of the Fund's total assets
would be invested in the securities of such issuer or, with respect to 100% of
its total assets, the Fund would own more than 10% of the outstanding voting
securities of such issuer provided that this restriction shall not prevent the
Fund from investing all of its assets in its Master Portfolio; (ii) borrow from
banks up to 20% of the current value of its net assets for temporary purposes
only in order to meet redemptions, and these borrowings may be secured by the
pledge of up to 20% of the current value of its net assets (but investments may
not be purchased while any such outstanding borrowing in excess of 5% of its net
assets exists); (iii) make loans of portfolio securities in accordance with its
investment policies; and (iv) not invest 25% or more of its total assets (i.e.,
concentrate) in any particular industry, except that the Fund will concentrate
its assets in any one industry for the same period as does the S&P 500 Index and
except that the Fund may invest 25% or more of its assets in U.S. Government
obligations, provided that this restriction shall not prevent the Fund from
investing all of its assets in its Master Portfolio.

  The Fund reserves the right to invest up to 15% of the current value of its
net assets in repurchase agreements having maturities of more than seven days
and other illiquid securities.  Disposing of illiquid or restricted securities
may involve additional costs and require additional time.

                               INVESTMENT RATINGS

  The following describes how three of the major rating agencies classify their
investment ratings. Ratings of debt securities represent the rating agency's
opinion regarding their quality, and are not a guarantee of quality. Credit
ratings attempt to evaluate the safety of principal and interest payments, and
do not evaluate the risks of fluctuations in market value. Furthermore, rating
agencies may fail to make timely changes in credit ratings in response to
subsequent events, so that an issuer's current financial condition may be better
or worse than the rating indicates. Subsequent to purchase by the Master
Portfolio, the rating of a debt security may be reduced below the minimum rating
required for initial purchase by the Master Portfolio or the security may cease
to be rated. BGFA will consider either such event in determining whether the
Master Portfolio should continue to hold the security. In no event will the
Master Portfolio hold more than 5% of its net assets in debt securities rated
below "BBB" by S&P or below "Baa" by Moody's or in unrated low quality (below
investment grade) debt securities. BGFA does not make any representation that
the investment ratings provided by such rating agencies are accurate or
complete.

                                      A-5
<PAGE>
 
STANDARD & POOR'S RATINGS

  Bond Ratings. Bonds rated "AAA" have the highest rating assigned by S&P to a
debt obligation. Capacity to pay interest and repay principal is extremely
strong. Bonds rated "AA" have a very strong capacity to pay interest and repay
principal and differ from the highest rated issues only in a small degree. Bonds
rated "A" have a strong capacity to pay interest and repay principal although it
is somewhat more susceptible to the adverse effects of changes in circumstances
and economic conditions than debt in higher rated categories. Bonds rated "BBB"
by S&P are regarded as having an adequate capacity to pay interest and repay
principal. Whereas such bonds normally exhibit adequate protection parameters,
adverse economic conditions or changing circumstances are more likely to lead to
a weakened capacity to pay interest and repay principal for debt in this
category than in higher rated categories.

  Commercial Paper Ratings. Commercial paper with the greatest capacity for
timely payment is rated "A" by S&P. Issues within this category are further
redefined with designations "1", "2" and "3" to indicate the relative degree of
safety; "A-1," the highest of the three, indicates the degree of safety is very
high.

MOODY'S INVESTORS SERVICE RATINGS

  Bond Ratings. Bonds rated "Aaa" by Moody's are judged to be of the best
quality. Interest payments are protected by a large or by an exceptionally
stable margin and principal is secure. Bonds rated "Aa" are judged to be of high
quality by all standards. They are rated lower than the best bonds because
margins of protection may not be as large or fluctuation of protective elements
may be of greater amplitude or there may be other elements present which make
the long-term risks appear somewhat larger than is the case with "Aaa"
securities. Bonds that are rated "A" possess many favorable investment
attributes and are to be considered upper medium grade obligations. Factors
giving security to principal and interest are considered adequate, but elements
may be present which suggest a susceptibility to impairment sometime in the
future. Bonds which are rated "Baa" by Moody's are considered medium grade
obligations, i.e., they are neither highly protected nor poorly secured.
Interest payments and principal security appear adequate for the present, but
certain protective elements may be lacking or may be characteristically
unreliable over longer periods of time. Such bonds lack outstanding investment
characteristics and, in fact, have speculative characteristics as well.

  Commercial Paper Ratings. Moody's employs the designations of "Prime-1,"
"Prime-2" and "Prime-3" to indicate the relative capacity of the rated issuers
to repay punctually. "Prime-1" is the highest commercial paper rating assigned
by Moody's. Issuers of "Prime-1" obligations must have a superior capacity for
repayment of short-term promissory obligations, and will normally be evidenced
by leading market positions in well established industries, high rates of return
on funds employed, conservative capitalization structures with moderate reliance
on debt and ample asset protection, broad margins in earnings coverage of fixed
financial charges and high internal cash generation, and well established access
to a range of financial markets and assured sources of alternate liquidity.

FITCH INVESTORS SERVICE RATINGS

  Bond Ratings. Bonds rated "BBB" by Fitch are considered to be investment grade
and of satisfactory quality. The obligor's ability to pay interest and repay
principal is considered to be adequate. Adverse changes in economic conditions
and circumstances, however, are more likely to weaken this ability than with
bonds having higher ratings.

                                      A-6
<PAGE>
 
                     SPONSOR, DISTRIBUTOR AND ADMINISTRATOR

                                 Stephens Inc.
                             Little Rock, Arkansas

                               INVESTMENT ADVISER

                         Barclays Global Fund Advisors
                           San Francisco, California

                                   CUSTODIAN

                         Investors Bank & Trust Company
                             Boston, Massachusetts

                  TRANSFER AGENT AND DIVIDEND DISBURSING AGENT

                         Investors Bank & Trust Company
                             Boston, Massachusetts

                                 LEGAL COUNSEL

                            Morrison & Foerster LLP
                                Washington, D.C.

                              INDEPENDENT AUDITORS

                             KPMG Peat Marwick LLP
                           San Francisco, California

  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION, ANY STATE SECURITIES COMMISSION OR ANY OTHER REGULATORY
AUTHORITY, NOR HAVE ANY OF THE FOREGOING AUTHORITIES PASSED UPON THE ACCURACY OR
ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL
OFFENSE.

MWBIG.pros. 6/98
<PAGE>
 
MASTERWORKS Funds Inc.
Investors Bank & Trust Co.
200 Clarendon Street
Boston, Massachusetts  02111

MWBIG.pros 6/98
<PAGE>
 
MASTERWORKS Funds Inc.
c/o Investors Bank & Trust Co.,
Transfer Agent
200 Clarendon Street
Boston, MA 02111
 
MWBIG.pros 6/98
<PAGE>
 
                         MASTERWORKS LIFEPATH(R) FUNDS
                             MASTERWORKS FUNDS INC.

                      STATEMENT OF ADDITIONAL INFORMATION
                                        
                               LIFEPATH 2000 FUND
                               LIFEPATH 2010 FUND
                               LIFEPATH 2020 FUND
                               LIFEPATH 2030 FUND
                               LIFEPATH 2040 FUND
                                
                                CLASS R SHARES      
                                
                               January 18, 1999      
                                                
  MasterWorks Funds Inc. (the "Company") is an open-end, management investment
company. This Statement of Additional Information ("SAI") contains additional
information about the Class R shares of the Company's LifePath 2000, LifePath
2010, LifePath 2020, LifePath 2030, and LifePath 2040 Funds (the "LifePath
Funds" or the "Funds").     
    
  Each LifePath Fund invests all of its assets in a separate portfolio (each a
"Master Portfolio") of Master Investment Portfolio ("MIP") having the same
investment objective as the Fund. Therefore, the investment experience of each
Fund will correspond directly with the relevant Master Portfolio's investment
experience.  MIP is an open-end, series investment company.  Barclays Global
Fund Advisors ("BGFA") serves as investment adviser to the corresponding Master
Portfolio of each LifePath Fund.  References to the investments, investment
policies and risks of the Funds unless otherwise indicated, should be understood
as references to the investments, investment policies and risks of the
corresponding Master Portfolios.     
        
  This SAI is not a prospectus and should be read in conjunction with the Funds'
current Prospectus, also dated January 18, 1999. All terms used in this SAI that
are defined in the Prospectus have the meanings assigned in the Prospectus. A
copy of the Prospectus may be obtained without charge by writing MasterWorks
Funds Inc., c/o Investors Bank & Trust Co., -- Transfer Agent, P.O. Box 9130,
Mail Code MFD23, Boston, MA 02117-9130, or by calling 1-888-204-3956.     
<PAGE>
 
                               TABLE OF CONTENTS
                                        
<TABLE>    
<CAPTION>
                                                                                                         Page
                                                                                                       ---------
<S>                                                                                                    <C>
General Information..................................................................................          1
Investment Objectives and Management Policies........................................................          1
Management...........................................................................................          8
Purchase and Redemption of Shares....................................................................         14
Determination of Net Asset Value.....................................................................         15
Dividends, Distributions and Taxes...................................................................         16
Performance Information..............................................................................         20
Portfolio Transactions...............................................................................         21
Capital Stock........................................................................................         24
Other................................................................................................         27
Counsel..............................................................................................         27
Independent Auditors.................................................................................         27
Financial Information................................................................................         27
Appendix.............................................................................................        A-1
Financial Statements.................................................................................        F-1
</TABLE>     

                                       i
<PAGE>
 
                              GENERAL INFORMATION
                                        
  The Company is a registered investment company which currently offers twelve
series, including the Funds. MIP is a registered investment company consisting
of nine series including the LifePath Master Portfolios. Each Fund invests all
of its assets in the corresponding Master Portfolio of MIP (as shown below),
which has the same investment objective as the related Fund.
         
<TABLE>    
<CAPTION>
              LIFEPATH FUND                            CORRESPONDING MASTER PORTFOLIO
           -------------------                         ------------------------------
<S>                                                   <C>
           LifePath 2000 Fund                          LifePath 2000 Master Portfolio
           LifePath 2010 Fund                          LifePath 2010 Master Portfolio
           LifePath 2020 Fund                          LifePath 2020 Master Portfolio
           LifePath 2030 Fund                          LifePath 2030 Master Portfolio
           LifePath 2040 Fund                          LifePath 2040 Master Portfolio
</TABLE>     
    
  On or about December 30, 1993, the Company's Board of Directors approved,
primarily for marketing purposes, the change of its corporate name from
"WellsFunds Inc." to "Stagecoach Inc." On or about March 15, 1996, the Company
changed its corporate name from "Stagecoach Inc." to "MasterWorks Funds 
Inc."     
    
  On or about December 1, 1995, the LifePath Funds were added to the
registration statement of the Company with the filing of post-effective
amendment No. 11 on Form N-1A. The MasterWorks Funds Inc. LifePath Funds were
established to supersede the LifePath Institutional Class Shares of Stagecoach
Trust (another investment company in the Stagecoach Family of Funds). See
"Performance Information" in this SAI. Class R shares were added to the Funds on
January 18, 1998.     


                 INVESTMENT OBJECTIVES AND MANAGEMENT POLICIES
                                        
  Investment Objectives. The LifePath Master Portfolios consist of five asset
  ---------------------                                                      
allocation funds, each of which is a diversified fund offered by MIP.
Organizations and other entities such as the Funds that hold shares of
beneficial interest of a Master Portfolio may be referred to herein as "feeder
funds."

  The Master Portfolios seek to provide long-term investors in a feeder fund
with an asset allocation strategy designed to maximize assets consistent with
the quantitatively measured risk such investors, on average, may be willing to
accept given their investment time horizons. The Master Portfolios invest in a
wide range of U.S. and foreign equity and debt securities and money market
instruments. Each Master Portfolio is managed for investors in a feeder fund
planning to retire (or begin to withdraw substantial portions of their
investment) approximately in the year stated in the title of the Fund in which
they invest (e.g., investors in the LifePath 2000 Fund plan to retire in the
year 2000).
    
  As with all mutual funds, there can be no assurance that the investment
objective of each Master Portfolio will be achieved. Each Master Portfolio's
investment objective cannot be changed without approval by the holders of a
majority (as defined in the Investment Company Act of 1940, as amended (the
"1940 Act")) of such Master Portfolio's outstanding voting shares.     

  Investment Restrictions. Each Fund and Master Portfolio has adopted investment
  -----------------------                                                       
restrictions numbered 1 through 10 as fundamental policies. These restrictions
cannot be changed without approval by the holders of a majority as defined in
the 1940 Act of the outstanding voting securities of such Fund or Master
Portfolio, as the case may be. Whenever a Fund is requested to vote on a
fundamental policy of the corresponding Master Portfolio in which it invests,
such Fund holds a meeting of its shareholders and casts its votes as instructed
by its shareholders. Investment restrictions numbered 11 through 20 are not
fundamental policies and may be changed by vote of a majority of the Trustees of
MIP, or a majority of the Directors of the Company, as the case may be, at any
time. The Funds and Master Portfolios may not:

                                       1
<PAGE>
 
  1. Invest more than 5% of its assets in the obligations of any single issuer,
except that up to 25% of the value of its total assets may be invested, and
securities issued or guaranteed by the U.S. Government, or its agencies or
instrumentalities may be purchased, without regard to any such limitation.

  2. Hold more than 10% of the outstanding voting securities of any single
issuer. This investment restriction applies only with respect to 75% of its
total assets.

  3. Invest in commodities, except that each Fund or Master Portfolio may
purchase and sell (i.e., write) options, forward contracts, futures contracts,
including those relating to indices, and options on futures contracts or
indices.

  4. Purchase, hold or deal in real estate, or oil, gas or other mineral leases
or exploration or development programs, but each Fund or Master Portfolio may
purchase and sell securities that are secured by real estate or issued by
companies that invest or deal in real estate.
    
  5. Borrow money, except to the extent permitted under the 1940 Act. For
purposes of this investment restriction, a Fund's or Master Portfolio's entry
into options, forward contracts, futures contracts, including those relating to
indices, and options on futures contracts or indices shall not constitute
borrowing to the extent certain segregated accounts are established and
maintained by the Master Portfolio as described in prospectus.     

  6. Make loans to others, except through the purchase of debt obligations and
the entry into repurchase agreements. However, each Fund or Master Portfolio may
lend its portfolio securities in an amount not to exceed one- third of the value
of its total assets. Any loans of portfolio securities will be made according to
guidelines established by the Securities and Exchange Commission and the Board
of Trustees of MIP or the Board of Directors of the Company, as the case may be.

  7. Act as an underwriter of securities of other issuers, except to the extent
the Fund or Master Portfolio may be deemed an underwriter under the Securities
Act of 1933, as amended, by virtue of disposing of portfolio securities.

  8. Invest 25% or more of its total assets in the securities of issuers in any
particular industry or group of closely related industries, except that, in the
case of each Fund or Master Portfolio, there shall be no limitation on the
purchase of obligations issued or guaranteed by the U.S. Government, its
agencies or instrumentalities.

  9. Issue any senior security (as such term is defined in Section 18(f) of the
1940 Act), except to the extent the activities permitted in investment
restriction nos. 3, 5, 12 and 13 may be deemed to give rise to a senior security
or as otherwise permitted under the rules and regulations or an exemptive order
of the Securities and Exchange Commission.

  10. Purchase securities on margin, but each Fund or Master Portfolio may make
margin deposits in connection with transactions in options, forward contracts,
futures contracts, including those relating to indices, and options on futures
contracts or indices.

  11. Invest in the securities of a company for the purpose of exercising
management or control, but each Fund or Master Portfolio will vote the
securities it owns in its portfolio as a shareholder in accordance with its
views.

  12. Pledge, mortgage or hypothecate its assets, except to the extent necessary
to secure permitted borrowings and to the extent related to the purchase of
securities on a when-issued or forward commitment basis and the deposit of
assets in escrow in connection with writing covered put and call options and
collateral and initial or variation margin arrangements with respect to options,
forward contracts, futures contracts, including those relating to indices, and
options on futures contracts or indices.
    
  13. Purchase, sell or write puts, calls or combinations thereof, except as may
be described in the Fund's or Master Portfolio's offering documents.     

                                       2
<PAGE>
 
  14. Purchase securities of any company having less than three years'
continuous operations (including operations of any predecessors) if such
purchase would cause the value of its investments in all such companies to
exceed 5% of the value of its total assets.     
    
  15. Enter into repurchase agreements providing for settlement in more than
seven days after notice or purchase securities which are illiquid, if, in the
aggregate, more than 15% of the value of its net assets would be so invested.
Although each Fund and Master Portfolio reserves the right to invest up to 15%
of the value of its net assets in repurchase agreements providing for settlement
in more than seven days after notice and in other illiquid securities, as long
as such Fund's shares are registered for sale in a state that imposes a lower
limit on the percentage of a fund's assets that may be so invested, such Fund
and Master Portfolio will comply with the lower limit. Each Fund and Master
Portfolio currently is limited to investing up to 10% of the value of its net
assets in such securities due to limits applicable in several states.     

  16. Purchase securities of other investment companies, except to the extent
permitted under the 1940 Act.

  17. Purchase, hold or deal in real estate limited partnerships.
    
  18. Purchase warrants that exceed 2% of the value of the Fund's or the Master
Portfolio's net assets, if those warrants are not listed on the New York or
American Stock Exchanges.     

  19. Purchase or retain securities of any issuer if the officers or directors
of the Company or the officers or trustees of MIP, its advisers or managers
owning beneficially more than one-half of one percent of the securities of an
issuer together own beneficially more than five percent of the securities of
that issuer.

  20. Engage in any short sales other than short sales against the box.

  As a fundamental policy, each Fund may invest, notwithstanding any other
investment restriction (whether or not fundamental), all of its assets in the
securities of a single open-end management investment company with substantially
the same fundamental investment objectives, policies and restrictions as such
Fund.

  As a matter of general operating policy, each Fund and Master Portfolio may
invest up to 20% of the value of its total assets in foreign securities that are
not publicly traded in the United States.

  If a percentage restriction is adhered to at the time of investment, a later
change in percentage resulting from a change in values or assets, except with
respect to compliance with investment restriction no. 5, will not constitute a
violation of such restriction.
    
  The Company and MIP may make commitments more restrictive than the
restrictions listed above, so as to permit the sale of shares of a Fund in
certain states. Should the Company or MIP determine that a commitment is no
longer in the best interest of the Fund or Master Portfolio and its
shareholders, the Company or MIP reserves the right to revoke the commitment by
terminating the sale of such Fund's shares in the state involved.     

PORTFOLIO SECURITIES.
    
  Bank Obligations. Each LifePath Master Portfolio may invest in bank
  ----------------                                                   
obligations, including certificates of deposit, time deposits and other short-
term obligations of domestic banks, obligations of foreign branches of domestic
banks and obligations of domestic and foreign branches of foreign banks.
Domestic commercial banks organized under federal law are supervised and
examined by the Comptroller of the Currency and are required to be members of
the Federal Reserve System and to have their deposits insured by the Federal
Deposit Insurance Corporation (the "FDIC"). Domestic banks organized under state
law are supervised and examined by state banking authorities but are members of
the Federal Reserve System only if they elect to join. In addition, state banks
whose certificates of deposit ("CDs") may be purchased by each Master Portfolio
are insured by the FDIC (although such insurance may not be of material benefit
to the Master Portfolio, depending on the principal amount of the CDs of each
bank held by the Master Portfolio) and are subject to federal examination and to
a substantial body of federal      
                                       3
<PAGE>
 
law and regulation. As a result of federal or state laws and regulations,
domestic branches of domestic banks whose CDs may be purchased by each Master
Portfolio generally are required, among other things, to maintain specified
levels of reserves, are limited in the amounts which they can loan to a single
borrower and are subject to other regulations designed to promote financial
soundness. However, not all of such laws and regulations apply to the foreign
branches of domestic banks.

  Obligations of foreign branches of domestic banks, foreign subsidiaries of
domestic banks and domestic and foreign branches of foreign banks, such as CDs
and time deposits ("TDs"), may be general obligations of the parent banks in
addition to the issuing branch, or may be limited by the terms of a specific
obligation and/or governmental regulation. Such obligations are subject to
different risks than are those of domestic banks. These risks include foreign
economic and political developments, foreign governmental restrictions that may
adversely affect payment of principal and interest on the obligations, foreign
exchange controls and foreign withholding and other taxes on interest income.
These foreign branches and subsidiaries are not necessarily subject to the same
or similar regulatory requirements that apply to domestic banks, such as
mandatory reserve requirements, loan limitations, and accounting, auditing and
financial record keeping requirements. In addition, less information may be
publicly available about a foreign branch of a domestic bank or about a foreign
bank than about a domestic bank.

  Obligations of U.S. branches of foreign banks may be general obligations of
the parent bank in addition to the issuing branch, or may be limited by the
terms of a specific obligation or by federal or state regulation as well as
governmental action in the country in which the foreign bank has its head
office. A domestic branch of a foreign bank with assets in excess of $1 billion
may be subject to reserve requirements imposed by the Federal Reserve System or
by the state in which the branch is located if the branch is licensed in that
state.

  In addition, federal branches licensed by the Comptroller of the Currency and
branches licensed by certain states ("State Branches") may be required to: (1)
pledge to the appropriate regulatory authority, by depositing assets with a
designated bank within the relevant state, a certain percentage of their assets
as fixed from time to time by such regulatory authority; and (2) maintain assets
within the relevant state in an amount equal to a specified percentage of the
aggregate amount of liabilities of the foreign bank payable at or through all of
its agencies or branches within the state. The deposits of federal and State
Branches generally must be insured by the FDIC if such branches take deposits of
less than $100,000.

  In view of the foregoing factors associated with the purchase of CDs and TDs
issued by foreign branches of domestic banks, by foreign subsidiaries of
domestic banks, by foreign branches of foreign banks or by domestic branches of
foreign banks, BGFA carefully evaluates such investments on a case-by-case
basis.

  Each Master Portfolio may purchase CDs issued by banks, savings and loan
associations and similar thrift institutions with less than $1 billion in
assets, provided that such institutions are members of the FDIC, and further
provided such Master Portfolio purchases any such CD in a principal amount of
not more than $100,000, which amount would be fully insured by the Bank
Insurance Fund or the Savings Association Insurance Fund administered by the
FDIC. Interest payments on such a CD are not insured by the FDIC. No Master
Portfolio will own more than one such CD per such issuer.

  Futures Contracts. Master Portfolios may use futures contracts as a hedge
  -----------------                                                        
against the effects of interest rate changes or changes in the market value of
the stocks comprising the index in which such Master Portfolio invests. In
managing their cash flows, these Master Portfolios also may use futures
contracts as a substitute for holding the designated securities underlying the
futures contract. A futures contract is an agreement between two parties, a
buyer and a seller, to exchange a particular commodity at a specific price on a
specific date in the future. At the time it enters into a futures transaction, a
Master Portfolio is required to make a performance deposit (initial margin) of
cash or liquid securities in a segregated account in the name of the futures
broker. Subsequent payments of "variation margin" are then made on a daily
basis, depending on the value of the futures position which is continually
"marked to market."

  A Master Portfolio may engage only in futures contract transactions involving
(i) the sale of a futures contract (i.e., short positions) to hedge the value of
securities held by such Master Portfolio; (ii) the purchase of a futures

                                       4
<PAGE>
 
contract when such Master Portfolio hold a short position having the same
delivery month (i.e., a long position offsetting a short position); or (iii) the
purchase of a futures contract to permit the Master Portfolio to, in effect,
participate in the market for the designated securities underlying the futures
contract without actually owning such designated securities. When a Master
Portfolio purchases a futures contract, it will create a segregated account
consisting of cash or other liquid assets in an amount equal to the total market
value of such futures contract, less the amount of initial margin for the
contract.

  If a Master Portfolio enters into a short position in a futures contract as a
hedge against anticipated adverse market movements and the market then rises,
the increase in the value of the hedged securities will be offset, in whole or
in part, by a loss on the futures contract. If instead a Master Portfolio
purchases a futures contract as a substitute for investing in the designated
underlying securities, a Master Portfolio experiences gains or losses that
correspond generally to gains or losses in the underlying securities. The latter
type of futures contract transactions permits a Master Portfolio to experience
the results of being fully invested in a particular asset class, while
maintaining the liquidity needed to manage cash flows into or out of the Master
Portfolio (e.g., from purchases and redemptions of Master Portfolio shares).
Under normal market conditions, futures contract positions may be closed out on
a daily basis. The LifePath Master Portfolio identified above expect to apply a
portion of their cash or cash equivalents maintained for liquidity needs to such
activities.

  Transactions by a Master Portfolio in futures contracts involve certain risks.
One risk in employing futures contracts as a hedge against cash market price
volatility is the possibility that futures prices will correlate imperfectly
with the behavior of the prices of the securities in the Master Portfolio's
investment portfolio. Similarly, in employing futures contracts as a substitute
for purchasing the designated underlying securities, there is a risk that the
performance of the futures contract may correlate imperfectly with the
performance of the direct investments for which the futures contract is a
substitute. In addition, commodity exchanges generally limit the amount of
fluctuation permitted in futures contract prices during a single trading day,
and the existence of such limits may prevent the prompt liquidation of futures
positions in certain cases. Limits on price fluctuations are designed to
stabilize prices for the benefit of market participants; however, there could be
cases where the Master Portfolio could incur a larger loss due to the delay in
trading than it would have if no limit rules had been in effect.

  In order to comply with undertakings made by the Master Portfolio pursuant to
Commodity Futures Trading Commission ("CFTC") Regulation 4.5, the Master
Portfolios will use futures and option contracts solely for bona fide hedging
purposes within the meaning and intent of CFTC Reg. 1.3(z); provided, however,
that in addition, with respect to positions in commodity futures or commodity
option contracts which do not come within the meaning and intent of CFTC Reg.
1.3(z), the aggregate initial margin and premiums required to establish such
positions will not exceed five percent of the liquidation value of the Master
Portfolio's portfolio, after taking into account unrealized profits and
unrealized losses on any such contract it has entered into; and provided
further, that in the case of an option that is in-the-money at the time of
purchase, the in-the-money amount as defined in CFTC Reg. 190.01(x) may be
excluded in computing such five percent.
    
  Foreign Currency Transactions. Currency exchange rates may fluctuate
  -----------------------------                                       
significantly over short periods of time.  They generally are determined by the
forces of supply and demand in the foreign exchange markets and the relative
merits of investments in different countries, actual or perceived changes in
interest rates and other complex factors, as seen from an international
perspective.  Currency exchange rates also can be affected unpredictably by the
intervention of U.S. or foreign governments or central banks, or by the failure
to intervene, or by currency controls or political developments in the United
States or abroad.  The LifePath Funds intend to engage in foreign currency
transactions to maintain the same foreign currency exposure as the relevant
foreign securities index through which the Funds seek foreign equity market
exposure, but not as part of a defensive strategy to protect against
fluctuations in exchange rates.  If a LifePath Master Portfolio enters into a
foreign currency transaction or forward contract, such Master Portfolio
deposits, if required by applicable regulations, with MIP's custodian cash or
high-grade debt securities in a segregated account of the LifePath Master
Portfolio in an amount at least equal to the value of the LifePath Master
Portfolio's total assets committed to the consummation of the forward contract.
If the value of the securities placed in the segregated account declines,
additional cash or securities is placed in the account so that the value of the
account equals the amount of the LifePath Master Portfolio's commitment with
respect to the contract.     

                                       5
<PAGE>
 
  At or before the maturity of a forward contract, a LifePath Master Portfolio
either may sell a portfolio security and make delivery of the currency, or may
retain the security and offset its contractual obligation to deliver the
currency by purchasing a second contract pursuant to which such Master Portfolio
obtains, on the same maturity date, the same amount of the currency which it is
obligated to deliver. If the LifePath Master Portfolio retains the portfolio
security and engages in an offsetting transaction, such Master Portfolio, at the
time of execution of the offsetting transaction, incurs a gain or a loss to the
extent that movement has occurred in forward contract prices. Should forward
prices decline during the period between the LifePath Master Portfolio's
entering into a forward contract for the sale of a currency and the date it
enters into an offsetting contract for the purchase of the currency, the Master
Portfolio realizes a gain to the extent the price of the currency it has agreed
to sell exceeds the price of the currency it has agreed to purchase. Should
forward prices increase, the Master Portfolio suffers a loss to the extent the
price of the currency it has agreed to purchase exceeds the price of the
currency it has agreed to sell.     

  The cost to a LifePath Master Portfolio of engaging in currency transactions
varies with factors such as the currency involved, the length of the contract
period and the market conditions then prevailing. Because transactions in
currency exchange usually are conducted on a principal basis, no fees or
commissions are involved. BGFA considers on an ongoing basis the
creditworthiness of the institutions with which a LifePath Master Portfolio
enters into foreign currency transactions. The use of forward currency exchange
contracts does not eliminate fluctuations in the underlying prices of the
securities, but it does establish a rate of exchange that can be achieved in the
future. If a devaluation generally is anticipated, the LifePath Master Portfolio
may not be able to contract to sell the currency at a price above the
devaluation level it anticipates.

  The purchase of options on currency futures allows a LifePath Master
Portfolio, for the price of the premium it must pay for the option, to decide
whether or not to buy (in the case of a call option) or to sell (in the case of
a put option) a futures contract at a specified price at any time during the
period before the option expires.
    
  Future Developments. Each LifePath Master Portfolio may take advantage of
  -------------------                                                      
opportunities in the areas of options and futures contracts and options on
futures contracts and any other derivative investments which are not presently
contemplated for use by such Master Portfolio or which are not currently
available but which may be developed, to the extent such opportunities are both
consistent with a LifePath Master Portfolio's investment objective and legally
permissible for the Master Portfolio. Before entering into such transactions or
making any such investment, a LifePath Master Portfolio would provide
appropriate disclosure in its prospectus or this SAI.     

  Lending Portfolio Securities. To a limited extent, each Master Portfolio may
  ----------------------------                                                
lend its portfolio securities to brokers, dealers and other financial
institutions, provided it receives cash collateral which is maintained at all
times in an amount equal to at least 100% of the current market value of the
securities loaned. By lending its portfolio securities, a Master Portfolio can
increase its income through the investment of the cash collateral or by receipt
of a loan premium from the borrower. For purposes of this policy, each Master
Portfolio considers collateral consisting of U.S. Government obligations or
irrevocable letters of credit issued by banks whose securities meet the
standards for investment by such Master Portfolio to be the equivalent of cash.
From time to time, a Master Portfolio may return to the borrower, or to a third
party unaffiliated with MIP which is acting as a "placing broker," a part of the
interest earned from the investment of collateral received in exchange for
securities loaned.
    
  The SEC currently requires that the following conditions must be met whenever
portfolio securities are loaned: (1) the Master Portfolio must receive at least
100% cash collateral from the borrower; (2) the borrower must increase such
collateral whenever the market value of the securities loaned rises above the
level of such collateral; (3) the Master Portfolio must be able to terminate the
loan at any time; (4) the Master Portfolio must receive reasonable interest on
the loan, as well as any dividends, interest or other distributions payable on
the loaned securities, and any increase in market value; (5) the Master
Portfolio may pay only reasonable custodian fees in connection with the loan;
and (6) while voting rights on the loaned securities may pass to the borrower,
MIP's Board of Trustees must terminate the loan and regain the right to vote the
securities if a material event adversely affecting the investment occurs. These
conditions may be subject to future modification.     
    
  Warrants -- Each LifePath Master Portfolio may invest generally up to 5% of
  --------                                                                   
its net assets at the time of purchase in warrants, except that this limitation
does not apply to warrants acquired in units or attached to securities.      

                                       6
<PAGE>
 
A warrant is an instrument issued by a corporation which gives the holder the
right to subscribe to a specified amount of the corporation's capital stock at a
set price for a specified period of time. The prices of warrants do not
necessarily correlate with the prices of the underlying securities.
    
  Fixed-Income Obligations -- Investors should be aware that even though
  ------------------------                                              
interest-bearing obligations are investments which promise a stable stream of
income, the prices of such securities are inversely affected by changes in
interest rates and, therefore, are subject to the risk of market price
fluctuations. Long-term obligations are affected to a greater extent by interest
rates than shorter-term obligations. The values of fixed-income obligations also
may be affected by changes in the credit rating or financial condition of the
issuing entities. Once the rating of a portfolio security has been changed to a
rating below investment grade, the particular LifePath Master Portfolio
considers all circumstances deemed relevant in determining whether to continue
to hold the security. Certain obligations that may be purchased by the LifePath
Master Portfolio, such as those rated "Baa" by Moody's and "BBB" by S&P, Fitch
and Duff, may be subject to such risk with respect to the issuing entity and to
greater market fluctuations than certain lower yielding, higher rated fixed-
income securities. Securities which are rated "Baa" by Moody's are considered
medium-grade obligations; they are neither highly protected nor poorly secured,
and are considered by Moody's to have speculative characteristics. Obligations
rated "BBB" by S&P are regarded as having adequate capacity to pay interest and
repay principal, and, while such debt securities ordinarily exhibit adequate
protection parameters, adverse economic conditions or changing circumstances are
more likely to lead to a weakened capacity to pay interest and repay principal
for securities in this category than in higher rated categories. Obligations
rated "BBB" by Fitch are considered investment grade and of satisfactory credit
quality; however, adverse changes in economic conditions and circumstances are
more likely to have an adverse impact on these obligations and, therefore,
impair timely payment. Obligations rated "BBB" by Duff have below average
protection factors but nonetheless are considered sufficient for prudent
investment. If a security held by a LifePath Master Portfolio is downgraded to a
rating below investment grade, such Master Portfolio may continue to hold the
obligation until such time as BGFA determines it to be advantageous for the
LifePath Master Portfolio to sell the obligation. If such a policy would cause a
LifePath Master Portfolio to have 5% or more of its net assets invested in
obligations that have been downgraded below investment grade, the Master
Portfolio promptly would seek to dispose of such obligations in an orderly
manner.     
    
  Repurchase Agreements.  Each Master Portfolio may engage in a repurchase
  ----------------------                                                  
agreement with respect to any security in which it is authorized to invest,
although the underlying security may mature in more than thirteen months. The
Master Portfolio may enter into repurchase agreements wherein the seller of a
security to the Master Portfolio agrees to repurchase that security from the
Master Portfolio at a mutually agreed-upon time and price that involves the
acquisition by the Master Portfolio of an underlying debt instrument, subject to
the seller's obligation to repurchase, and the Master Portfolio's obligation to
resell, the instrument at a fixed price usually not more than one week after its
purchase.  The Master Portfolio's custodian has custody of, and holds in a
segregated account, securities acquired as collateral by the Master Portfolio
under a repurchase agreement.  Repurchase agreements are considered by the staff
of the SEC to be loans by the Master Portfolio.  The Master Portfolio may enter
into repurchase agreements only with respect to securities of the type in which
it may invest, including government securities and mortgage-related securities,
regardless of their remaining maturities, and requires that additional
securities be deposited with the custodian if the value of the securities
purchased should decrease below resale price.  BGFA monitors on an ongoing basis
the value of the collateral to assure that it always equals or exceeds the
repurchase price.  Certain costs may be incurred by the Master Portfolio in
connection with the sale of the underlying securities if the seller does not
repurchase them in accordance with the repurchase agreement.  In addition, if
bankruptcy proceedings are commenced with respect to the seller of the
securities, disposition of the securities by the Master Portfolio may be delayed
or limited.  While it does not presently appear possible to eliminate all risks
from these transactions (particularly the possibility of a decline in the market
value of the underlying securities, as well as delay and costs to the Master
Portfolio in connection with insolvency proceedings), it is the policy of the
Master Portfolio to limit repurchase agreements to selected creditworthy
securities dealers or domestic banks or other recognized financial institutions.
The Master Portfolio considers on an ongoing basis the creditworthiness of the
institutions with which it enters into repurchase agreements. Repurchase
agreements are considered to be loans by a Master Portfolio under the 1940 
Act.     
    
  Floating- and Variable-Rate Obligations--Each Master Portfolio may purchase
  ---------------------------------------                                    
floating- and variable-rate demand notes and bonds, which are obligations
ordinarily having stated maturities in excess of 13 months, but      

                                       7
<PAGE>
 
which permit the holder to demand payment of principal at any time or at
specified intervals not exceeding 13 months. Variable-rate demand notes include
master demand notes which are obligations that permit a Master Portfolio to
invest fluctuating amounts, which may change daily without penalty, pursuant to
direct arrangements between the Master Portfolio, as lender, and the borrower.
The interest rates on these notes fluctuate from time to time. The issuer of
such obligations ordinarily has a corresponding right, after a given period, to
prepare in its discretion the outstanding principal amount of the obligations
plus accrued interest upon a specified number of days' notice to the holders of
such obligations. The interest rate on a floating-rate demand obligation is
based on a known lending rate, such as a bank's prime rate, and is adjusted
automatically at specified intervals. Frequently, such obligations are secured
by letters of credit or other credit support arrangements provided by banks.
Because these obligations are direct lending arrangements between the lender and
borrower, it is not contemplated that such instruments generally will be traded.
There generally is no established secondary market for these obligations,
although they are redeemable at face value. Accordingly, where these obligations
are not secured by letters of credit or other credit support arrangements, the
Master Portfolio's right to redeem is dependent on the ability of the borrower
to pay principal and interest on demand. Such obligations frequently are not
rated by credit rating agencies and each Master Portfolio may invest in
obligations which are not so rated only if the Adviser determines that at the
time of investment the obligations are of comparable quality to the other
obligations in which such Master Portfolio may invest. The Adviser, on behalf of
each Master Portfolio, considers on an ongoing basis the creditworthiness of the
issuers of the floating- and variable-rate demand obligations in such Master
Portfolio's portfolio. No Master Portfolio invests more than 15% of the value of
its net assets in illiquid securities including floating- or variable-rate
demand obligations whose demand feature is not exercisable within seven days.
Such obligations may be treated as liquid, provided that an active secondary
market exists.     


                                   MANAGEMENT
                                        
  The following information supplements and should be read in conjunction with
the Prospectus section entitled "Management of the Funds". Directors and
officers of the Company, together with information as to their principal
business occupations during the last five years, are shown below. The address of
each, unless otherwise indicated, is 111 Center Street, Little Rock, Arkansas
72201. Directors who are deemed to be an "interested person" of the Company, as
defined in the 1940 Act, are indicated by an asterisk.

<TABLE>    
<CAPTION>
                                                                         Principal Occupations
Name, Address and Age                 Position                            During Past 5 Years
- ------------------------------  ---------------------  ----------------------------------------------------------
<S>                             <C>                    <C> 
Jack S. Euphrat, 75             Director               Private Investor.
415 Walsh Road
Atherton, CA 94027

*R. Greg Feltus, 46             Director, Chairman     Executive Vice President of Stephens Inc.; 
                                 and President         President of Stephens Insurance Services Inc.; 
                                                       Senior Vice President of Stephens Sports 
                                                       Management Inc.; and President of Investors 
                                                       Brokerage Insurance Inc.
 
Thomas S. Goho, 55              Director               Associate Professor of Finance, Calloway School of
P.O. Box 7285                                          Business and Accounting at Wake Forest University since
Reynolda Station                                       1982.
Winston-Salem, NC 27104                                
</TABLE>      

                                      8 
<PAGE>
 
<TABLE>     
<CAPTION> 

                                                       Principal Occupations
      Name, Address and Age     Position               During Past 5 Years
- ------------------------------  ---------------------  ----------------------------------------------------------
<S>                             <C>                   <C> 
*W. Rodney Hughes, 71           Director               Private Investor.
31 Dellwood Court
San Rafael, CA 94901

*J. Tucker Morse, 53            Director               Chairman of Home Account Network, Inc.; Real Estate
4 Beaufain Street                                      Developer; Chairman of Renaissance Properties Ltd.;
Charleston, SC 29401                                   President of Morse Investment Corporation; and
                                                       Co-Managing Partner of Main Street Ventures.
 
Richard H. Blank, Jr.,  41      Chief Operating        Vice President of Stephens Inc.; Director of
                                Officer, Secretary     Stephens Sports Management Inc.; and Director
                                and Treasurer          of Capo Inc.
</TABLE>     



                                        
                               COMPENSATION TABLE
                  For the Fiscal Year Ended February 28, 1998

<TABLE>    
<CAPTION>
                                                                                             
                                                                                                 Total Compensation         
                                                                  Aggregate Compensation          FROM REGISTRANT         
Name and Position                                                     from Registrant             and Fund Complex        
- -----------------                                                 -----------------------    --------------------------- 
<S>                                                               <C>                      <C>
Jack S. Euphrat                                                                   $11,250                      $11,250
  Director

*R. Greg Feltus                                                                         0                            0
  Director                                                                             

Thomas S. Goho                                                                    $11,250                      $11,250
  Director                                                                        

*Zoe Ann Hines/1/                                                                       0                            0
  Director                                                                              

*W. Rodney Hughes                                                                 $11,000                      $11,000
  Director                                                                        

Robert M. Joses/2/                                                                $ 1,000                      $ 1,000
  Director                                                                        

*J. Tucker Morse                                                                  $11,000                      $11,000
  Director                                                                        
</TABLE>     
- ---------------
    
/1/  Zoe Ann Hines retired as of January 28, 1998.
/2/  Robert M. Joses retired as of December 31, 1997.     

                                       9
<PAGE>
 
  Directors of the Company are compensated annually by the Company and by all
the registrants in the fund complex for their services as indicated above and
also are reimbursed for all out-of-pocket expenses relating to attendance at
board meetings.  The Company, Master Investment Portfolio and Managed Series
Investment Trust are considered to be members of the same fund complex, as such
term is defined in Form N-1A under the 1940 Act (the "BGFA Fund Complex" ).
Stagecoach Funds, Inc., Stagecoach Trust and Life & Annuity Trust together form
a separate fund complex (the "Wells Fargo Fund Complex").  Prior to December 15,
1997, the Wells Fargo Fund Complex also included Overland Express Funds, Inc.
and Master Investment Trust.  On that date, Overland Express Funds, Inc. was
consolidated with and into Stagecoach Funds, Inc. and Master Investment Trust
was dissolved.  Each of the Directors and Officers of the Company serves in the
identical capacity as Directors/Trustees and Officers of each registered open-
end management investment company in both the Wells Fargo and BGFA Fund
Complexes.  The Directors are compensated by other companies and trusts within a
fund complex for their services as Directors/Trustees to such companies and
trusts. Currently the Directors do not receive any retirement benefits or
deferred compensation from the Company or any other member of each fund complex.
As of the date of this SAI, Directors and officers of the Company as a group
beneficially owned less than 1% of the outstanding shares of the Company.     
    
  MASTER/FEEDER STRUCTURE. Each LifePath Fund seeks to achieve its investment
objective by investing all of its assets into the corresponding LifePath Master
Portfolio of MIP. The Funds and other entities investing in a Master Portfolio
are each liable for all obligations of such Master Portfolio. However, the risk
of a Fund incurring financial loss on account of such liability is limited to
circumstances in which both inadequate insurance existed and MIP itself is
unable to meet its obligations. Accordingly, the Company's Board of Directors
believes that neither a Fund nor its shareholders will be adversely affected by
investing Fund assets in a Master Portfolio. However, if a mutual fund or other
investor withdraws its investment from such Master Portfolio, the economic
efficiencies (e.g., spreading fixed expenses among a larger asset base) that the
Company's Board believes may be available through investment in the Master
Portfolio may not be fully achieved. In addition, given the relative novelty of
the master/feeder structure, accounting or operational difficulties, although
unlikely, could arise. See "Management of the Funds" in the Prospectus for
additional description of the Fund's and Master Portfolios' expenses and
management.     
    
  A Fund may withdraw its investment in a Master Portfolio only if the Company's
Board of Directors determines that such action is in the best interests of such
Fund and its shareholders. Upon any such withdrawal, the Company's Board would
consider alternative investments, including investing all of the Fund's assets
in another investment company with the same investment objective as the Fund or
hiring an investment adviser to manage the Fund's assets in accordance with the
investment policies described below with respect to the Master Portfolio.     
    
  The investment objective and other fundamental policies of a Master Portfolio
cannot be changed without approval by the holders of a majority (as defined in
the 1940 Act) of the Master Portfolio's outstanding interests. See "Investment
Objectives and Policies" in the Prospectus. Whenever a Fund, as an
interestholder of the corresponding Master Portfolio, is requested to vote on
any matter submitted to interestholders of the Master Portfolio, the Fund will
hold a meeting of its shareholders to consider such matters. The Fund will cast
its votes in proportion to the votes received from its shareholders. Shares for
which the Fund receives no voting instructions will be voted in the same
proportion as the votes received from the other Fund shareholders.     
    
  Certain policies of the Master Portfolio which are non-fundamental may be
changed by vote of a majority of MIP's Trustees without interestholder approval.
If the Master Portfolio's investment objective or fundamental or non-fundamental
policies are changed, the Fund may elect to change its objective or policies to
correspond to those of the Master Portfolio. A Fund also may elect to redeem its
interests in the corresponding Master Portfolio and either seek a new investment
company with a matching objective in which to invest or retain its own
investment adviser to manage the Fund's portfolio in accordance with its
objective. In the latter case, a Fund's inability to find a substitute
investment company in which to invest or equivalent management services could
adversely affect shareholders' investments in the Fund. The Funds will provide
shareholders with 30 days' written notice prior to the implementation of any
change in the investment objective of the Fund or the Master Portfolio, to the
extent possible. See "Investment Objectives and Policies" in the Prospectus for
additional information regarding the Fund's and the Master Portfolio's
investment objectives and policies.     

                                      10
<PAGE>
 
  Investment Adviser. BGFA provides investment advisory services to each Master
  ------------------                                                           
Portfolio pursuant to separate Investment Advisory Contracts (each, a "BGFA
Advisory Contract") with MIP. Pursuant to the Advisory Contracts, BGFA furnishes
to the Trust's Board of Trustees periodic reports on the investment strategy and
performance of each Master Portfolio. BGFA has agreed to provide to the Master
Portfolios, among other things, money market security and fixed- income
research, analysis and statistical and economic data and information concerning
interest rate and security market trends, portfolio composition, credit
conditions and average maturities of each Master Portfolio's investment
portfolio.     
    
  BGFA is entitled to receive monthly fees at the annual rate of 0.55% of each
Master Portfolio's average daily net assets as compensation for its advisory
services to such Master Portfolio.     
    
  As to each Master Portfolio, the applicable BGFA Advisory Contract is subject
to annual approval by (i) MIP's Board of Trustees or (ii) vote of a majority (as
defined in the 1940 Act) of the outstanding voting securities of such Master
Portfolio, provided that in either event the continuance also is approved by a
majority of MIP's Board of Trustees who are not "interested persons" (as defined
in the 1940 Act) of MIP or BGFA, by vote cast in person at a meeting called for
the purpose of voting on such approval. As to each Master Portfolio, the
applicable BGFA Advisory Contract is terminable without penalty, on 60 days'
written notice by MIP's Board of Trustees or by vote of the holders of a
majority of such Master Portfolio's shares, or, on not less than 60 days'
written notice, by BGFA. The applicable BGFA Advisory Contract terminates
automatically, as to the relevant Master Portfolio, in the event of its
assignment (as defined in the 1940 Act).     

  Prior to January 1, 1996, Wells Fargo Bank, N.A. ("Wells Fargo") provided
investment advisory services to each Master Portfolio pursuant to an Investment
Advisory Agreement with MIP.
    
  For the period beginning March 1, 1995 and ended December 31, 1995, the
advisory fees paid to Wells Fargo by the corresponding Master Portfolio of each
LifePath Fund is shown below, without waivers.     

<TABLE>    
<CAPTION> 
                                            3/1/95 - 12/31/95
       MASTER PORTFOLIO                         FEES PAID
- ------------------------------            ----------------------
<S>                                       <C> 
LifePath 2000 Master Portfolio                   $363,599
LifePath 2010 Master Portfolio                   $312,512
LifePath 2020 Master Portfolio                   $520,362
LifePath 2030 Master Portfolio                   $343,916
LifePath 2040 Master Portfolio                   $503,384 
</TABLE>     
    
  For the period beginning January 1, 1996 and ended February 29, 1996, and for
the fiscal years ended February 28, 1997 and February 28, 1998, the advisory
fees paid to BGFA by the corresponding Master Portfolio of each LifePath Fund is
shown below, without waivers.     

<TABLE>    
<CAPTION> 
                                                 1/1/96 - 2/29/96       FYE 2/28/97           FYE 2/28/97
       MASTER PORTFOLIO                             FEES PAID            FEES PAID             FEES PAID
- ------------------------------            -----------------------  ---------------------  -------------------
<S>                                       <C>                      <C>                    <C> 
LifePath 2000 Master Portfolio                  $          99,511             $  689,347           $  656,142
LifePath 2010 Master Portfolio                  $          86,919             $  757,505           $1,018,984
LifePath 2020 Master Portfolio                  $         141,075             $1,149,160           $1,572,634
LifePath 2030 Master Portfolio                  $          93,240             $  714,647           $1,048,151
LifePath 2040 Master Portfolio                  $         148,324             $1,154,330           $1,767,632
</TABLE>     
    
  Investment Sub-Adviser. Prior to January 1, 1996, WFNIA provided 
  ----------------------                                              
investment sub-advisory services to each Master Portfolio pursuant to an 
Investment Sub-Advisory Agreement with Wells Fargo.     

                                      11
<PAGE>
 
  For the period beginning March 1, 1995 and ended December 31, 1995, Wells
Fargo paid to WFNIA the following sub-advisory fees shown below, without
waivers:     

<TABLE>    
<CAPTION> 
                                              3/1/95 - 12/31/95
       MASTER PORTFOLIO                           FEES PAID
- ------------------------------             --------------------
<S>                                        <C> 
LifePath 2000 Master Portfolio                   $261,344
LifePath 2010 Master Portfolio                   $224,903
LifePath 2020 Master Portfolio                   $374,802
LifePath 2030 Master Portfolio                   $247,703
LifePath 2040 Master Portfolio                   $361,673 
</TABLE>     
    
  Co-Administrators. The Company has engaged Stephens Inc. ("Stephens") and
  -----------------                                                      
Barclays Global Investors, N.A. ("BGI") to provide certain administration
services to the Funds. Pursuant to a Co-Administration Agreement with the
Company, Stephens and BGI provide as administrative services, among other
things: (i) general supervision of the operation of the Funds, including
coordination of the services performed by the investment adviser, transfer and
dividend disbursing agent, custodians, independent auditors and legal counsel;
(ii) general supervision of regulatory compliance matters, including the
compilation of information for documents such as reports to, and filings with,
the SEC and state securities commissions, and preparation of proxy statements
and shareholder reports for the Company; and (iii) general supervision relative
to the compilation of data required for the preparation of periodic reports
distributed to the Company's officers and Board of Directors. Stephens also
furnishes office space and certain facilities required for conducting the
business of the Funds together with all other administrative services reasonably
necessary for the operation of the Funds, other than those services provided by
the Company's transfer and dividend disbursing agent. Stephens also pays the
compensation of the Company's Directors, officers and employees who are
affiliated with Stephens.    
    
  In addition, except for advisory fees, extraordinary expenses, brokerage and
other expenses connected to the execution of portfolio transactions and certain
expenses which are borne by the LifePath Funds, Stephens and BGI have agreed to
bear all costs of the Funds' and the Company's operations including, but not
limited to, transfer and dividend disbursing agency fees, shareholder servicing
fees, and expenses of printing and preparing prospectuses, SAIs and other Fund
materials.  For providing such services, Stephens and BGI are entitled to a fee
of 0.40% of each Fund's average daily net assets.  Effective October 21, 1996,
BGI contracted with Investors Bank & Trust Company ("IBT") to provide certain
sub-administration services.  Prior to October 21, 1996, Stephens served as sole
administrator to the Funds.     
    
  For the fiscal period beginning March 26, 1996 (commencement of operations)
and ended February 28, 1997, the LifePath Funds paid the following
administration and co-administration fees to Stephens:     
         
<TABLE>    
<CAPTION> 

FUND                       3/26/96-2/28/97
- --------------            ----------------
<S>                       <C> 
LifePath 2000 Fund             $ 48,666
LifePath 2010 Fund             $ 90,007
LifePath 2020 Fund             $109,730
LifePath 2030 Fund             $ 58,134
LifePath 2040 Fund             $ 62,981
</TABLE>     

                                      12
<PAGE>
 
  For the period beginning October 21, 1996 and ended February 28, 1997, the
LifePath Funds paid the following co-administration fees to BGI:
         
<TABLE>    
<CAPTION>                                               
FUND                               10/21/96 - 2/28/97
- ----                              -------------------
<S>                              <C> 
LifePath 2000 Fund                    $28,780
LifePath 2010 Fund                    $55,628
LifePath 2020 Fund                    $64,702
LifePath 2030 Fund                    $36,321
LifePath 2040 Fund                    $48,300
</TABLE>     
    
  For the fiscal year ended February 28, 1998, the Funds paid co-administration
fees jointly to Stephens and BGI as follows:     

<TABLE>    
<CAPTION>

FUND                                              FYE 2/28/98
- ----                                              -----------             
<S>                                       <C>
LifePath 2000 Fund                                $183,550
LifePath 2010 Fund                                $388,764            
LifePath 2020 Fund                                $502,717            
LifePath 2030 Fund                                $293,010            
LifePath 2040 Fund                                $372,862             
</TABLE>     
        
  Distributor. Stephens acts as the exclusive distributor of each Fund's shares
  -----------                                                                  
pursuant to an Amended and Restated Distribution Agreement (the "Distribution
Agreement") with the Company on behalf of the Funds. Shares are sold on a
continuous basis by Stephens as agent, although Stephens is not obligated to
sell any particular amount of shares. The term and termination provisions of the
Distribution Agreement are substantially similar to those of the Agreement with
the Adviser discussed above.     
    
  Class R Distribution Plan -- The Company has adopted on behalf of the Class R
shares of the Funds, a Distribution Plan that authorizes, under Section 12(b) of
the 1940 Act and Rule 12b-1 thereunder (the "Rule"), payment for distribution-
related expenses and compensation for distribution-related services, including
ongoing compensation to selling agents, in connection with Class R shares (a
"Plan"). Each Fund may participate in joint distribution activities with other
MasterWorks Funds. The cost of these activities is generally allocated among the
Funds. Funds with higher asset levels pay a higher proportion of these costs.

  The Plan was adopted by the Company's Board of Directors, including a majority
of the Directors who were not "interested persons" (as defined in the 1940 Act) 
of the Funds and who had no direct or indirect financial interest in the 
operation of the Plan or in any agreement related to the Plan (the "Non-Interest
Directors").

  Under the Plan and pursuant to the related Distribution Agreement with
Stephens, the Funds may pay the Distributor, as compensation for distribution-
related services, monthly fees at the annual rate of up to 0.25% of the average
daily net assets of the Class R shares of the Funds offering such shares.

  The actual fee payable to the Distributor is determined, within such limit, 
from time to time by mutual agreement between the Company and the Distributor 
and will not exceed the maximum sales charges payable by mutual funds sold by 
members of the National Association of Securities Dealers, Inc. ("NASD") under 
the NASD Conduct Rules. The Distributor may enter into selling agreements with 
one or more selling agents (which may include BGI and its affiliates) under 
which such agents may receive compensation for distribution-related services 
from the Distributor, including, but not limited to, commissions or other 
payments to such agents based on the average daily net assets of Fund shares 
attributable to their customers. The Distributor may retain any portion of the 
total distribution fee payable thereunder to compensate it for distribution-
related services provided by it or to reimburse it for other distribution-
related expenses.

  General. The Plan will continue in effect from year to year if such 
  -------
continuance is approved by a majority vote of both the Directors of the Company 
and the Non-Interested Directors. Any Distribution Agreement related to the Plan
also must be approved by such vote of the Directors and the Non-Interested 
Directors. The Distribution Agreement will terminate automatically if assigned 
and may be terminated at any time, without payment of any penalty, by a vote of 
a majority of the outstanding voting securities of the Company or by vote of a 
majority of the Non-Interested Directors on not more than 60 days' written 
notice. The Plan may not be amended to increase materially the amounts payable 
thereunder without the approval of a majority of the outstanding voting 
securities of the Funds involved, and no material amendments to the Plan may be 
made except by a majority of both the Directors of the Company and the 
Non-Interested Directors.

  The Plan requires that the Treasurer of the Company shall provide to the 
Directors, and the Directors shall review, at least quarterly, a written report 
of the amounts expended (and purposes therefor) under the Plan. The Rule also 
requires that the selection and nomination of Directors who are not "interested 
persons" of the Company be made by such disinterested Directors.

  BGI, an interested person (as that term is defined in Section 2(a)(19) of the 
1940 Act) of the Company, acts as a selling agent for the Funds' shares pursuant
to selling agreements with Stephens authorized under the Plan. As a selling 
agent, BGI has an indirect financial interest in the operation of the Plan. The
Board of Directors has concluded that the Plan is reasonably likely to benefit 
the Funds and their shareholders because the Plan authorizes the relationships 
with selling agents, including BGI, that have previously developed distribution 
channels and relationships with the customers that the Funds are designed to 
serve. These relationships and distribution channels are believed by the Board 
to provide potential for increased Fund assets and ultimately corresponding 
economic efficiencies (i.e., lower per-share transaction costs and fixed 
expenses) that are generated by increased assets under management.
         
    
  MIP Distribution Plan. MIP's Board of Trustees has adopted, on behalf of each
  ---------------------                                                        
Master Portfolio, a "defensive" distribution plan under Section 12(b) of the
1940 Act and Rule 12b-1 thereunder (also, a "Plan"). The Plan was adopted by a
majority of MIP's Board of Trustees (including a majority of those Trustees who
are not "interested persons" of MIP as defined in the 1940 Act ) on October 10,
1995. The Plan was intended as a precaution designed to address the possibility
that certain ongoing payments by BGFA to Wells Fargo in connection with the sale
of WFNIA may be characterized as indirect payments by each Master Portfolio to
finance activities primarily intended to result in the sale of interests in such
Master Portfolio. The Plan provides that if any portion of a Master Portfolio's
advisory fees (up to 0.25% of the average daily net assets of each Master
Portfolio on an annual basis) were deemed to constitute an indirect payment for
activities that are primarily intended to result in the sale of interests in a
Master Portfolio such payment would be authorized pursuant to the Plan. The
Master Portfolio's do not currently pay any amounts pursuant to the Plan.     
    
  Shareholder Services Plan. The Company has adopted a Shareholder Services Plan
  -------------------------                                                     
on behalf of the Funds. Pursuant to this Plan, financial institutions (which may
include BGI and its affiliates) may act as the shareholder servicing agent (an
"Agent") for each Fund pursuant to Shareholder Servicing Agreements. Such Agent
will agree to perform certain shareholder liaison services such as answering
shareholder inquiries regarding account status and history, and the manner in
which purchases, exchanges and redemptions of Fund shares may be made. For its
services as the Agent for the Funds, BGI is entitled to receive fees at the
annual rate of up to 0.20% of the average daily net assets of each Fund. Such
fees are payable pursuant to the Co-Administration Agreement. Prior to
________________, Wells Fargo Bank served as Agent to the Funds.     

                                      13
<PAGE>
 
         
    
  Custodian. IBT, concurrent with its appointment as sub-administrator for the
  ---------                                                                   
Funds on October 21, 1996, also has been retained as custodian of each Fund's
investments, and performs such services at 200 Clarendon Street, Boston,
Massachusetts  02116. The custodian, among other things, maintains a custody
account or accounts in the name of the Funds, receives and delivers all assets
for the Funds upon purchase and upon sale or maturity; collects and receives all
income and other payments and distributions on account of the assets of the
Funds and pays all expenses of the Funds. IBT shall not be entitled to
compensation for providing custody services to the Funds pursuant to the Custody
Agreement so long as it receives fees from BGI for providing sub-administration
services to the Funds. Prior to October 21, 1996, BGI served as the Fund's
custodian and was not entitled to receive a fee.     
    
  Transfer and Dividend Disbursing Agent.  IBT has been retained as the transfer
  --------------------------------------                                        
and dividend disbursing agent for the Funds.  For its services as transfer and
dividend disbursing agent to the Funds,  IBT is entitled to receive an annual
maintenance fee computed on the basis of the number of shareholder accounts that
it maintains for the Funds and to be reimbursed for out-of-pocket expenses or
advances incurred by it in performing its obligations under the agreement.  The
annual maintenance fee is paid as follows:     

<TABLE>    
<CAPTION>
                                                   ANNUAL FEE
                                           --------------------------
<S>                                        <C> 
Up to 200 accounts*                         $6,000 per feeder/class
From 201 to 250 accounts                    $8,500 per feeder/class
Over 250 accounts                           $10,000 per feeder/class
</TABLE>     
_______________
    
*    Defined as each account that is set up for an individual or plan sponsor on
     a Fund by Fund basis.      
 
    
  In addition, the agreement contemplates that IBT will be reimbursed for other
expenses incurred by it at the request or with the written consent of the Funds,
including, without limitation, any equipment or supplies which the Company
specifically orders or requires IBT to order.     
    
  Prior to March 2, 1998, Wells Fargo Bank served as transfer and dividend
disbursing agent to the Funds, and was entitled to receive a monthly fee at an
annual rate of 0.10% of the average daily net assets of each Fund for such
services.     

                           
                       PURCHASE AND REDEMPTION OF SHARES     
                                            
  Terms of Purchase. The Funds are generally open Monday through Friday and are
  -----------------                                                            
closed on weekends and NYSE holidays.  The holidays on which the NYSE is closed
currently are: New Year's Day, Martin Luther King, Jr.'s, Birthday, Presidents'
Day, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day
and Christmas Day. The Company reserves the right to reject any purchase order
and to change the amount of the minimum investment and subsequent purchases in
the Funds.     

                                      14
<PAGE>
 
  Payment for shares of a LifePath Fund may, at the discretion of the adviser,
be made in the form of securities that are permissible investments for the Fund
and must meet the investment objective, policies and limitations of the Fund as
described in the Prospectus.  In connection with an in-kind securities payment,
a Fund may require, among other things, that the securities (i) be valued on the
day of purchase in accordance with the pricing methods used by the Fund; (ii)
are accompanied by satisfactory assurance that the Fund will have good and
marketable title to such securities received by it; (iii) are not subject to any
restrictions upon resale by the Fund; (iv) be in proper form for transfer to the
Fund; (v) are accompanied by adequate information concerning the basis and other
tax matters relating to the securities.  All dividends, interest, subscription
or other rights pertaining to such securities shall become the property of the
Fund engaged in the in-kind purchase transaction and must be delivered to such
Fund by the investor upon receipt from the issuer.  Securities acquired through
an in-kind purchase will be acquired for investment and not for immediate
resale.  Shares purchased in exchange for securities generally cannot be
redeemed until the transfer has settled.  Each Fund immediately will transfer to
its corresponding Master Portfolio any and all securities received by it in
connection with an in-kind purchase transaction, in exchange for interests in
such Master Portfolio.

  Suspension of Redemptions.  Under the 1940 Act, a Fund may suspend the right
  -------------------------                                                   
of redemption or postpone the date of payment upon redemption for any period
during which the NYSE is closed (other than customary weekend and holiday
closings, or during which trading is restricted, or during which as determined
by the SEC by rule or regulation) an emergency exists as a result of which
disposal or valuation of portfolio securities is not reasonably practicable, or
for such periods as the SEC may permit.
    
  The Company may suspend redemption rights or postpone redemption payments for
such periods as are permitted under the 1940 Act. The Company  also may redeem
shares involuntarily or make payment for redemption in securities or other
property if it appears appropriate to do so in light of the Company's
responsibilities under the 1940 Act.     

  In addition, the Company may redeem shares involuntarily to reimburse a Fund
for any losses sustained by reason of the failure of a shareholder to make full
payment for shares purchased or to collect any charge relating to a transaction
effected for the benefit of a shareholder which is applicable to shares of a
Fund as provided from time to time in the Prospectus.

                        DETERMINATION OF NET ASSET VALUE
                                            
  LifePath Master Portfolios. The securities of the LifePath Master Portfolios,
  --------------------------                                                   
including covered call options written by a LifePath Master Portfolio, are
valued at the last sale price on the securities exchange or national securities
market on which such securities primarily are traded. Securities not listed on
an exchange or national securities market, or securities in which there were no
transactions, are valued at the most recent bid prices. Portfolio securities
which are traded primarily on foreign securities exchanges generally are valued
at the preceding closing values of such securities on their respective
exchanges, except that when an occurrence subsequent to the time a value was so
established is likely to have changed such value, then the fair value of those
securities is determined by consideration of other factors by or under the
direction of MIP's Board of Trustees or its delegates. Short-term investments
are carried at amortized cost, which approximates market value. Any securities
or other assets for which recent market quotations are not readily available are
valued at fair value as determined in good faith by MIP's Board of 
Trustees.     
    
  Restricted securities, as well as securities or other assets for which market
quotations are not readily available, or are not valued by a pricing service
approved by MIP's Board of Trustees, are valued at fair value as determined in
good faith by or under the direction of MIP's Board of Trustees or its
delegates. MIP's Board of Trustees reviews the method of valuation on a current
basis. In making a good-faith valuation of restricted securities, the following
are generally considered: restricted securities that are, or are convertible
into, securities of the same class of securities for which a public market
exists usually are valued at market value less the same percentage discount at
which such securities were purchased. This discount may be revised periodically
if the Adviser believes that the discount no longer reflects the value of the
restricted securities. Restricted securities not of the same class as      

                                      15
<PAGE>
 
securities for which a public market exists usually are valued initially at
cost. Any subsequent adjustment from cost is based upon considerations deemed
relevant by or under the direction of MIP's Board of Trustees or its 
delegates.     
    
  Any assets or liabilities initially expressed in terms of foreign currency are
translated into dollars using information provided by pricing entities, such as
Morgan Stanley Capital International or Gelderman Data Service, or at a quoted
market exchange rate as may be determined to be appropriate by the Adviser.
Forward currency contracts are valued at the current cost of offsetting the
contract. Because of the need to obtain prices as of the close of trading on
various exchanges throughout the world, the calculation of net asset value does
not take place contemporaneously with the determination of prices of the foreign
securities held by the LifePath Master Portfolios. In addition, foreign
securities held by a LifePath Master Portfolio may be traded actively in
securities markets which are open for trading on days when the Master Portfolio
does not determine its net asset value. Accordingly, there may be occasions when
a LifePath Master Portfolio does not calculate its net asset value but when the
value of such Master Portfolio's portfolio securities is affected by such
trading activity.     
    
  Fixed-income securities are valued each business day using available market
quotations or at fair value as determined by one or more independent pricing
services (collectively, the "Service") approved by MIP's Board of Trustees. The
Service may use available market quotations and employ electronic data
processing techniques and/or a matrix system to determine valuations. The
Service's procedures are reviewed by MIP's officers under the general
supervision of MIP's Board of Trustees.     
        
  Expenses and fees, including advisory fees, are accrued daily and are taken
into account for the purpose of determining the net asset value of each LifePath
Master Portfolio's interests.     

                       DIVIDENDS, DISTRIBUTIONS AND TAXES
                                            
  The following information supplements and should be read in conjunction with
the Prospectus section entitled "Taxes."  The Prospectus describes generally the
tax treatment of distributions by the Funds.  This section of the SAI includes
additional information concerning income taxes.     
    
  General.  The Company intends to qualify each Fund as a regulated investment
  -------                                                                     
company under Subchapter M of the Internal Revenue Code of 1986, as amended (the
"Code"), as long as such qualification is in the best interest of the Fund's
shareholders.  Each Fund will be treated as a separate entity for tax purposes
and thus the provisions of the Code applicable to regulated investment companies
will generally be applied individually to each Fund, rather than to the Company
as a whole.  Accordingly, net capital gain, net investment income, and operating
expenses will be determined separately for each Fund.  As a regulated investment
company, each Fund will not be taxed on its net investment income and capital
gains distributed to its shareholders.     
    
  Qualification as a regulated investment company under the Code requires, among
other things, that (a) each Fund derive at least 90% of its annual gross income
from dividends, interest, certain payments with respect to securities loans,
gains from the sale or other disposition of stock or securities or foreign
currencies (to the extent such currency gains are directly related to the
regulated investment company's principal business of investing in stock or
securities) and other income (including but not limited to gains from options,
futures or forward contracts) derived with respect to its business of investing
in such stock, securities or currencies; and (b) each Fund diversify its
holdings so that, at the end of each quarter of the taxable year, (i) at least
50% of the market value of the Fund's assets is represented by cash, government
securities and other securities limited in respect of any one issuer to an
amount not greater than 5% of the Fund's assets and 10% of the outstanding
voting securities of such issuer, and (ii) not more than 25% of the value of its
assets is invested in the securities of any one issuer (other than U.S.
Government obligations and the securities of other regulated investment
companies), or in two or more issuers which the Fund controls and which are
determined to be engaged in the same or similar trades or businesses.     
    
  The Funds must also distribute or be deemed to distribute to their
shareholders at least 90% of their net investment income(which, for this purpose
includes net short-term capital gains) earned in each taxable year.  In general,
these distributions must actually or be deemed to be made in the taxable year.
However, in certain      
                                      16
<PAGE>
 
circumstances, such distributions may be made in the 12 months following the
taxable year. The Funds intend to pay out substantially all of their net
investment income and net realized capital gains (if any) for each year.     
    
  In addition, a regulated investment company must, in general, derive less than
30% of its gross income for a taxable year from the sale or other disposition of
securities or options thereon held for less than three months.  However, this
restriction has been repealed with respect to a regulated investment company's
taxable years beginning after August 5, 1997.     
    
  Each Fund seeks to qualify as a regulated investment company by investing
substantially all of its assets in a Master Portfolio.  Under the Code, each
Master Portfolio will be treated as a non-publicly traded partnership rather
than as a regulated investment company or a corporation.  As a non-publicly
traded partnership, any interest, dividends, gains and losses of the Master
Portfolio shall be deemed to have been "passed through" to the corresponding
Fund (and the Master Portfolio's other investors) in proportion to each Fund's
ownership interest in the Master Portfolio.  Therefore, to the extent that a
Master Portfolio were to accrue but not distribute any interest, dividends or
gains, the corresponding Fund would be deemed to have realized and recognized
its proportionate share of interest, dividends or gains without receipt of any
corresponding distribution.  However, each Master Portfolio will seek to
minimize recognition by its investors (such as a Fund) of interest, dividends,
gains or losses without a corresponding distribution.     
    
  Excise Tax.  A 4% nondeductible excise tax will be imposed on each Fund (other
  ----------                                                                    
than to the extent of its tax-exempt interest income) to the extent it does not
meet certain minimum distribution requirements by the end of each calendar year.
Each Fund intends to actually or be deemed to distribute substantially all of
its net investment income and net capital gains by the end of each calendar year
and, thus, expects not to be subject to the excise tax.     
    
  Taxation of Master Portfolio Investments.  Except as otherwise provided
  ----------------------------------------                               
herein, gains and losses realized by a Master Portfolio on the sale of portfolio
securities generally will be capital gains and losses.  Such gains and losses
ordinarily will be long-term capital gains and losses if the securities have
been held by the Master Portfolio for more than one year at the time of
disposition of the securities.     
    
  Gains recognized on the disposition of a debt obligation (including tax-exempt
obligations purchased after April 30, 1993) purchased by a Master Portfolio at a
market discount (generally at a price less than its principal amount) will be
treated as ordinary income to the extent of the portion of market discount which
accrued, but was not previously recognized pursuant to an available election,
during the term the Master Portfolio held the debt obligation.     
    
  If an option granted by a Master Portfolio lapses or is terminated through a
closing transaction, such as a repurchase by the Master Portfolio of the option
from its holder, the Master Portfolio will realize a short-term capital gain or
loss, depending on whether the premium income is greater or less than the amount
paid by the Master Portfolio in the closing transaction.  Some realized capital
losses may be deferred if they result from a position which is part of a
"straddle," discussed below.  If securities are sold by a Master Portfolio
pursuant to the exercise of a call option granted by it, the Master Portfolio
will add the premium received to the sale price of the securities delivered in
determining the amount of gain or loss on the sale.     
    
  Under Section 1256 of the Code, a Master Portfolio will be required to "mark
to market" its positions in "Section 1256 contracts," which generally include
regulated futures contracts and listed non-equity options.  In this regard,
Section 1256 contracts will be deemed to have been sold at market value. Under
Section 1256 of the Code, sixty percent (60%) of any net gain or loss realized
on all dispositions of Section 1256 contracts, including deemed dispositions
under the mark-to-market regime, will generally be treated as long-term capital
gain or loss, and the remaining forty percent (40%) will be treated as short-
term capital gain or loss.  Transactions that qualify as designated hedges are
excepted from the mark-to-market and 60%/40% rules.     
    
  Under Section 988 of the Code, a Master Portfolio will generally recognize
ordinary income or loss to the extent gain or loss realized on the disposition
of portfolio securities is attributable to changes in foreign currency exchange
rates.  In addition, gain or loss realized on the disposition of a foreign
currency forward contract, futures contract,      

                                      17
<PAGE>
 
option or similar financial instrument, or of foreign currency itself, will
generally be treated as ordinary income or loss. The Master Portfolios will
attempt to monitor Section 988 transactions, where applicable, to avoid adverse
federal income tax impact to the Funds and their shareholders.     
    
  Offsetting positions held by a regulated investment company involving certain
financial forward, futures or options contracts may be considered, for tax
purposes, to constitute "straddles."  "Straddles" are defined to include
"offsetting positions" in actively traded personal property.  The tax treatment
of "straddles" is governed by Section 1092 of the Code which, in certain
circumstances, overrides or modifies the provisions of Section 1256 of the Code,
described above.  If a regulated investment company were treated as entering
into "straddles" by engaging in certain financial forward, futures or option
contracts, such straddles could be characterized as "mixed straddles" if the
futures, forwards, or options comprising a part of such straddles were governed
by Section 1256 of the Code.  The regulated investment company may make one or
more elections with respect to "mixed straddles."  Depending upon which election
is made, if any, the results with respect to the regulated investment company
may differ.  Generally, to the extent the straddle rules apply to positions
established by a regulated investment company, losses realized by the regulated
investment company may be deferred to the extent of unrealized gain in any
offsetting positions.  Moreover, as a result of the straddle and the conversion
transaction rules, short-term capital loss on straddle positions may be
recharacterized as long-term capital loss, and long-term capital gain may be
characterized as short-term capital gain or ordinary income.     
    
  If a Master Portfolio enters into a "constructive sale" of any appreciated
position in stock, a partnership interest, or certain debt instruments, the
Master Portfolio must recognize gain (but not loss) with respect to that
position.  For this purpose, a constructive sale occurs when the Master
Portfolio enters into one of the following transactions with respect to the same
or substantially identical property: (i) a short sale; (ii) an offsetting
notional principal contract; (iii) a futures or forward contract, or (iv) other
transactions identified in future Treasury Regulations.     
    
  If a Master Portfolio purchases shares in a "passive foreign investment
company" ("PFIC"), the Master Portfolio may be subject to federal income tax and
an interest charge imposed by the Internal Revenue Service ("IRS") upon certain
distributions from the PFIC or the Master Portfolio's disposition of its PFIC
shares.  If the Master Portfolio invests in a PFIC, the Master Portfolio intends
to make an available election to mark-to-market its interest in PFIC shares.
Under the election, the Master Portfolio will be treated as recognizing at the
end of each taxable year the difference, if any, between the fair market value
of its interest in the PFIC shares and its basis in such shares.  In some
circumstances, the recognition of loss may be suspended.  The Master Portfolio
will adjust its basis in the PFIC shares by the amount of income (or loss)
recognized.  Although such income (or loss) will be taxable to the Master
Portfolio as ordinary income (or loss) notwithstanding any distributions by the
PFIC, the Master Portfolio will not be subject to federal income tax or the
interest charge with respect to its interest in the PFIC, if it makes the
available election.     
    
  Foreign Taxes.   Income and dividends received by a Fund (through a Master
  -------------                                                             
Portfolio) from foreign securities and gains realized by the Fund on the
disposition of foreign securities may be subject to withholding and other taxes
imposed by foreign countries.  Tax conventions between certain countries and the
United States may reduce or eliminate such taxes.  Although in some
circumstances a regulated investment company can elect to "pass through" foreign
tax credits to its shareholders, the Funds do not expect to be eligible to make
such an election.     
    
  Capital Gain Distributions.  Distributions which are designated by a Fund as
  --------------------------                                                  
capital gain distributions will be taxed to shareholders as long-term capital
gain (to the extent such dividends do not exceed the Fund's actual net capital
gain for the taxable year), regardless of how long a shareholder has held Fund
shares.  Such distributions will be designated as capital gain distributions in
a written notice mailed by the Fund to its shareholders not later than 60 days
after the close of the Fund's taxable year.     
    
  The Taxpayer Relief Act of 1997 (the "1997 Act") created several new
categories of capital gains applicable to noncorporate taxpayers.  Under prior
law, noncorporate taxpayers  generally were taxed at a maximum rate of 28% on
net capital gain (generally, the excess of net long-term capital gain over net
short-term capital loss).  Noncorporate taxpayers generally are now taxed at a
maximum rate of 20% on net capital gain      

                                      18
<PAGE>
 
attributable to gains realized on the sale of property held for greater than 18
months, and a maximum rate of 28% on net capital gain attributable to gain
realized on the sale of property held for greater than one year and not more
than 18 months, and a maximum rate of 25% for certain gains attributable to the
sale of real property. The 1997 Act retains the treatment of short term capital
gain or loss (generally, gain or loss attributable to capital assets held for 1
year or less) and did not affect the taxation of capital gains in the hands of
corporate taxpayers.     
    
  Under the 1997 Act, the Treasury is authorized to issue regulations for
application of the reduced capital gains tax rates to pass-through entities,
including regulated investment companies, such as the Funds.  The IRS has
published a notice applicable to pass-through entities until regulations are
promulgated.  Pursuant to the notice, each Fund is permitted (but not required)
to designate the portion of its capital gain distributions, if any, to which the
28%, 25% and 20% rates described in the preceding paragraph apply, based on the
net amount of each class of capital gain realized by the Fund determined as if
the Fund is a noncorporate taxpayer.  Noncorporate shareholders of the Funds may
therefore qualify for the reduced rate of tax on capital gain distributions paid
by the Funds.     
    
  Disposition of Fund Shares.  A disposition of Fund shares pursuant to
  --------------------------                                           
redemption (including a redemption in-kind) or exchanges ordinarily will result
in a taxable capital gain or loss, depending on the amount received for the
shares (or are deemed to receive in the case of an exchange) and the cost of the
shares.     
    
  If a shareholder exchanges or otherwise disposes of Fund shares within 90 days
of having acquired such shares and if, as a result of having acquired those
shares, the shareholder subsequently pays a reduced sales charge on a new
purchase of shares of the Fund or a different regulated investment company, the
sales charge previously incurred acquiring the Fund's shares shall not be taken
into account (to the extent such previous sales charges do not exceed the
reduction in sales charges on the new purchase) for the purpose of determining
the amount of gain or loss on the disposition, but will be treated as having
been incurred in the acquisition of such other shares.  Also, any loss realized
on a redemption or exchange of shares of the Fund will be disallowed to the
extent that substantially identical shares are acquired within the 61-day period
beginning 30 days before and ending 30 days after the shares are disposed 
of.     
    
  If a shareholder receives a designated capital gain distribution (to be
treated by the shareholder as long-term capital gain) with respect to any Fund
share and such Fund share is held for six months or less, then (unless otherwise
disallowed) any loss on the sale or exchange of that Fund share will be treated
as long-term capital loss to the extent of the designated capital gain
distribution. This loss disallowance rule does not apply to losses realized
under a periodic redemption plan.     
    
  Federal Income Tax Rates.  As of the printing of this SAI, the maximum
  ------------------------                                              
individual tax rate applicable to ordinary income is 39.6% (marginal tax rates
may be higher for some individuals to reduce or eliminate the benefit of
exemptions and deductions); the maximum individual marginal tax rate applicable
to net capital gain is 28% (however, see "Capital Gain Distributions" above);
and the maximum corporate tax rate applicable to ordinary income and net capital
gain is 35% (marginal tax rates may be higher for some corporations to reduce or
eliminate the benefit of lower marginal income tax rates).  Obviously, the
amount of tax payable by any taxpayer will be affected by a combination of tax
laws covering, for example, deductions, credits, deferrals, exemptions, sources
of income and other matters.     
    
  Backup Withholding.  The Company may be required to withhold, subject to
  ------------------                                                      
certain exemptions, at a rate of 31% ("backup withholding") on dividends,
capital gain distributions, and redemption proceeds (including proceeds from
exchanges and redemptions in-kind) paid or credited to an individual Fund
shareholder, unless the shareholder certifies that his or her taxpayer
identification number ("TIN"), which usually is his or her social security
number, provided to the Company is correct and that the shareholder is not
subject to backup withholding, or the IRS notifies the Company that the
shareholder's TIN is incorrect or that the shareholder is subject to backup
withholding.  Such tax withheld does not constitute any additional tax imposed
on the shareholder, and may be claimed as a credit against the shareholder's
federal income tax liability, if any, or otherwise will be refundable. An
investor must provide a valid TIN to the Company upon opening or reopening an
account.  Failure to furnish a valid TIN to the Company could also subject the
investor to penalties imposed by the IRS.  Foreign shareholders of the Funds
(described below) generally are not subject to backup withholding.     

                                      19
<PAGE>
 
  Corporate Shareholders.  Corporate shareholders of the Funds may be eligible
  ----------------------                                                      
for the dividends-received deduction on dividends distributed out of a Fund's
net investment income attributable to dividends received from domestic
corporations, which, if received directly by the corporate shareholder, would
qualify for such deduction.  A distribution by a Fund attributable to dividends
of a domestic corporation will only qualify for the dividends-received deduction
if (i) the corporate shareholder generally holds the Fund shares upon which the
distribution is made for at least 46 days during the 90 day period beginning 45
days prior to the date upon which the shareholder becomes entitled to the
distribution; and (ii) the Fund generally holds the shares of the domestic
corporation producing the dividend income for at least 46 days during the 90 day
period beginning 45 days prior to the date upon which the Fund becomes entitled
to such dividend income.     
    
  Foreign Shareholders.  Under the Code, distributions of net investment income
  --------------------                                                         
by a Fund to a nonresident alien individual, foreign trust (i.e., trust which a
U.S. court is able to exercise primary supervision over administration of that
trust and one or more U.S. persons have authority to control substantial
decisions of that trust), foreign estate (i.e., the income of which is not
subject to U.S. tax regardless of source), foreign corporation, or foreign
partnership (a "foreign shareholder") will be subject to federal income tax
withholding (at a rate of 30% or a lower treaty rate, if applicable).
Withholding will not apply if a dividend distribution paid by a Fund to a
foreign shareholder is "effectively connected" with a U.S. trade or business
(or, if an income tax treaty applies, is attributable to a U.S. permanent
establishment of the foreign shareholder), in which case the reporting and
withholding requirements applicable to U.S. residents will apply.  Distributions
of net capital gain generally are not subject to federal income tax 
withholding.     
    
  New Regulations.  On October 6, 1997, the Treasury Department issued new
  ---------------                                                         
regulations (the "New Regulations") which make certain modifications to the
backup withholding, U.S. income tax withholding and information reporting rules
applicable to foreign shareholders.  The New Regulations generally will be
effective for payments made after December 31, 1999, subject to certain
transition rules.  Among other things, the New Regulations will permit the Funds
to estimate the portion of their distributions paid to foreign shareholders
which is subject to federal income tax withholding.  Prospective investors are
urged to consult their own tax advisors regarding the application to them of the
New Regulations.     
    
  Other Matters.  Investors should be aware that the investments to be made by a
  -------------                                                                 
Fund may involve sophisticated tax rules that may result in income or gain
recognition by the Fund without corresponding current cash receipts.  Although
the Funds will seek to avoid significant noncash income, such noncash income
could be recognized by a Fund, in which case the Fund may distribute cash
derived from other sources in order to meet the minimum distribution
requirements described above.     
    
  The foregoing discussion and the discussions in the Prospectus applicable to
each shareholder address only some of the federal income tax considerations
generally affecting investments in a Fund.  Each investor is urged to consult
his or her tax advisor regarding specific questions as to federal, state, local
and foreign taxes.     

                            PERFORMANCE INFORMATION

  LifePath Funds. Average annual total return is calculated by determining the
  --------------                                                              
ending redeemable value of an investment purchased with a hypothetical $1,000
payment made at the beginning of the period (assuming the reinvestment of
dividends and distributions), dividing by the amount of the initial investment,
taking the "n"th root of the quotient (where "n" is the number of years in the
period) and subtracting 1 from the result.

  Total return is calculated by subtracting the amount of the net asset value
per share at the beginning of a stated period from the net asset value per share
at the end of the period (after giving effect to the reinvestment of dividends
and distributions during the period), and dividing the result by the net asset
value per share at the beginning of the period.
        
  The LifePath Funds' Class I shares are successors to the assets of the
Institutional Class shares of the Stagecoach Trust LifePath Funds (the
"Predecessor Funds"), which commenced operations on March 1, 1994. The Class R
shares of the Funds commenced operations on January 18, 1999. The performance
information     

                                      20
<PAGE>
     
shown below for periods prior to March 26, 1996, the Company's LifePath Funds'
commencement of operations, reflects the performance of the Predecessor 
Funds. For periods after March 26, 1996, the performance information shown below
reflects the performance of the Funds' Class I shares, adjusted to reflect the 
expenses of the Funds' Class R shares in effect as of January 18, 1999.     
        
  For the fiscal year ended February 28, 1998 and the fiscal period from March
1, 1994 (commencement of operations) to February 28, 1998, the average annual
total returns on the Funds' Class R shares were as follows:      

<TABLE>    
<CAPTION> 
Class R              3/1/94-2/28/98          FYE 2/28/98
- -------              --------------          -----------  
<S>                  <C>                     <C>  
LifePath 2000            8.63%                  12.32%
LifePath 2010           13.30%                  18.73%
LifePath 2020           16.45%                  24.25%
LifePath 2030           18.84%                  28.22%
LifePath 2040           21.15%                  30.95%
</TABLE>          
    
  For the fiscal period from March 1, 1994 to February 28, 1998, the cumulative
total returns on the Funds' Class R shares were as follows:      

<TABLE>    
<CAPTION> 
Class R                                         3/1/94-2/28/98
- --------                                        --------------    
<S>                                             <C> 
LifePath 2000                                        39.26%
LifePath 2010                                        64.76%
LifePath 2020                                        83.83%
LifePath 2030                                        99.38%
LifePath 2040                                       115.34%
</TABLE>     
    
  From time to time, the Company may use, in advertisements and other types of
literature, information and statements: (1) describing the Adviser, and its
affiliates and predecessors, as one of the first investment managers to advise
investment accounts using asset allocation and index strategies; (2) describing
the Funds as one of the first mutual funds to offer a flexible investment
strategy designed to change over specific time horizons; (3) describing the
performance for the MasterWorks LifePath Funds; (4) describing the level of
assets under management by the Adviser; and (5) describing the Advisers as
managing approximately [$575] billion in assets as of _______________, 1998 for
Fortune 500 companies, governments and other institutions around the world.     

  From time to time and only to the extent the comparison is appropriate for a
Fund, the Company may quote the performance of a Fund in advertising and other
types of literature and may compare the performance of a Fund to the performance
of various indices and investments for which reliable performance data is
available.  The performance of a Fund may be compared in advertising and other
literature to averages, performance rankings and other information prepared by
recognized mutual fund statistical services.


                             PORTFOLIO TRANSACTIONS
                                            
  Since each Fund invests all of its assets in a corresponding Master Portfolio
of MIP, set forth below is a description of the Master Portfolios' policies
governing portfolio securities transactions.     
    
  Purchases and sales of equity securities on a securities exchange usually are
effected through brokers who charge a negotiated commission for their services.
Commission rates are established pursuant to negotiations with the broker based
on the quality and quantity of execution services provided by the broker in
light of generally prevailing rates. Orders may be directed to any broker
including, to the extent and in the manner permitted by applicable law, Stephens
or Barclays Global Investors Services. In the over-the-counter market,
securities are generally traded on a "net" basis with dealers acting as
principal for their own accounts without a stated commission, although the price
of the security usually includes a profit to the dealer. In underwritten
offerings, securities are purchased at a fixed price that includes an amount of
compensation to the underwriter, generally referred to as the underwriter's
concession or discount.     
    
  Purchases of debt securities generally are principal transactions. Debt
securities normally are purchased or sold from or to dealers serving as market
makers for the securities at a net price. Debt securities may also be purchased
in underwritten offerings or directly from an issuer. Generally debt obligations
are traded on a net basis and do not involve brokerage commissions. The cost of
executing transactions in debt securities consists primarily of dealer spreads
and      

                                      21
<PAGE>
 
underwriting commissions. Under the 1940 Act, persons affiliated with MIP are
prohibited from dealing with MIP as a principal in the purchase and sale of
portfolio securities unless an exemptive order allowing such transactions is
obtained from the Commission or an exemption is otherwise available. The Master
Portfolios may purchase securities from underwriting syndicates of which
Stephens or BGFA is a member under certain conditions in accordance with the
provisions of a rule adopted under the 1940 Act and in compliance with
procedures adopted by MIP's Board of Trustees.     
    
  MIP has no obligation to deal with any dealer or group of dealers in the
execution of transactions in portfolio securities. Subject to policies
established by MIP's Board of Trustees, BGFA, as adviser, is responsible for the
Master Portfolio's investment decisions and the placing of portfolio
transactions. In placing orders, it is MIP's policy to obtain the best overall
terms taking into account the dealer's general execution and operational
facilities, the type of transaction involved and other factors such as the
dealer's risk in positioning the securities involved. BGFA generally seeks
reasonably competitive spreads or commissions.     
    
  In assessing the best overall terms available for any transaction, BGFA
considers factors deemed relevant, including the breadth of the market in the
security, the price of the security, the financial condition and execution
capability of the broker or dealer, and the reasonableness of the commission, if
any, both for the specific transaction and on a continuing basis. As a result, a
Master Portfolio may pay a broker/dealer which furnishes brokerage services a
higher commission than that which might be charged by another broker/dealer for
effecting the same transaction, provided that such commission is determined to
be reasonable in relation to the value of the brokerage services provided by
such broker/dealer. Certain of the broker/dealers with whom the Master
Portfolios may transact business may offer commission rebates to the Master
Portfolios. BGFA considers such rebates in assessing the best overall terms
available for any transaction. MIP's Board of Trustees will periodically review
the commissions paid by the Master Portfolios to consider whether the
commissions paid over representative periods of time appear to be reasonable in
relation to the benefits inuring to the Master Portfolios.     
    
  Under Section 28(e) of the Securities Exchange Act of 1934, an adviser shall
not be "deemed to have acted unlawfully or to have breached its fiduciary duty"
solely because under certain circumstances it has caused the account to pay a
higher commission than the lowest available. To obtain the benefit of Section
28(e), an adviser must make a good faith determination that the commissions paid
are "reasonable in relation to the value of the brokerage and research services
provided . . . viewed in terms of either that particular transaction or its
overall responsibilities with respect to the accounts as to which it exercises
investment discretion and that the services provided by a broker provide an
adviser with lawful and appropriate assistance in the performance of its
investment decision-making responsibilities." Accordingly, the price to a Master
Portfolio in any transaction may be less favorable than that available from
another broker/dealer if the difference is reasonably justified by other aspects
of the portfolio execution services offered.     
    
  Brokerage Commissions. For the fiscal years ended February 29, 1996, February
  ---------------------                                                        
28, 1997 and February 28, 1998, the corresponding Master Portfolio of each Fund
paid the dollar amounts of brokerage commissions indicated below. None of these
brokerage commissions were paid to affiliated brokers.     

<TABLE>    
<CAPTION>

MASTER PORTFOLIO                                                
- -----------------------------------------                          Commissions Paid

                                                  FYE 2/29/96         FYE 2/28/97         FYE 2/28/98
                                              ------------------  ------------------  ------------------
<S>                                           <C>                 <C>                 <C>
LifePath 2000 Master Portfolio                        $ 8,311             $ 3,639             $ 9,361
LifePath 2010 Master Portfolio                        $12,053             $ 8,837             $15,306
LifePath 2020 Master Portfolio                        $29,666             $12,383             $29,153
LifePath 2030 Master Portfolio                        $33,786             $ 6,927             $28,908
LifePath 2040 Master Portfolio                        $71,608             $28,047             $94,717
</TABLE>     
                                      22
<PAGE>
 
  Securities of Regular Broker Dealers. As of February 28, 1998, the
  ------------------------------------                              
corresponding Master Portfolio of each Fund owned securities of its "regular
brokers or dealers" or their parents, as defined in the 1940 Act, as 
follows:     

<TABLE>    
<CAPTION>

                     LIFEPATH 2000 MASTER
                     --------------------
                     <S>                                           <C>
                     GOLDMAN SACHS                                           $ 5,000,000
                     J.P. MORGAN                                                  41,347
                     LEHMAN BROS HOLDINGS                                         31,531
                     MERRILL LYNCH                                                37,928
                     MORGAN STANLEY                                               68,590
                                                             
                                                             
                     LIFEPATH 2010 MASTER                    
                     --------------------                    
                     GOLDMAN SACHS                                           $ 9,000,000
                     J.P. MORGAN                                                 189,288
                     LEHMAN BROS HOLDINGS                                         50,450
                     MERRILL LYNCH                                               198,514
                     MORGAN STANLEY                                              328,681
                                                             
                                                             
                     LIFEPATH 2020 MASTER                    
                     --------------------                    
                     GOLDMAN SACHS                                           $14,000,000
                     J.P. MORGAN                                                 426,854
                     LEHMAN BROS HOLDINGS                                        126,125
                     MERRILL LYNCH                                               475,032
                     MORGAN STANLEY                                              752,033
                                                             
                                                             
                     LIFEPATH 2030 MASTER                    
                     --------------------                    
                     GOLDMAN SACHS                                           $ 9,000,000
                     J.P. MORGAN                                                 362,085
                     LEHMAN BROS HOLDINGS                                        132,431
                     MERRILL LYNCH                                               407,477
                     MORGAN STANLEY                                              650,094
                                                             
                                                             
                     LIFEPATH 2040 MASTER                    
                     --------------------                    
                     GOLDMAN SACHS                                           $15,000,000
                     J.P. MORGAN                                                 609,091
                     LEHMAN BROS HOLDINGS                                        182,881
                     MERRILL LYNCH                                               687,859
                     MORGAN STANLEY                                            1,606,436
</TABLE>     

         
                                      23
<PAGE>
 
                                 CAPITAL STOCK
                                                
  The Company, an open-end, management investment company, was incorporated in
Maryland on October 15, 1992. The authorized capital stock of the Company
consists of 13,900,000,000 shares having a par value of $.001 per share. As of
the date of this SAI, the Company's Board of Directors has authorized the
issuance of twelve series of shares six of which have two classes of shares. The
Board of Directors may, in the future, authorize the issuance of other series of
capital stock representing shares of additional investment portfolios or 
funds.     
    
  All shares of the Company have equal voting rights and will be voted in the
aggregate, and not by series or class, except where voting by a series or class
is required by law or where the matter involved only affects one series or
class. For example, a change in a Fund's fundamental investment policy would be
voted upon only by shareholders of the Fund. Additionally, approval of an
advisory contract is a matter to be determined separately by fund. Approval by
the shareholders of a fund is effective as to that fund whether or not
sufficient votes are received from the shareholders of the other investment
portfolios to approve the proposal as to those investment portfolios. As used in
the Prospectus of each Fund and in this SAI, the term "majority," when referring
to approvals to be obtained from shareholders of the Fund, means the vote of the
lesser of (i) 67% of the shares of the Fund represented at a meeting if the
holders of more than 50% of the outstanding shares of the Fund are present in
person or by proxy, or (ii) more than 50% of the outstanding shares of the Fund.
The term "majority," when referring to the approvals to be obtained from
shareholders of the Company as a whole, means the vote of the lesser of (i) 67%
of the Company's shares represented at a meeting if the holders of more than 50%
of the Company's outstanding shares are present in person or by proxy, or (ii)
more than 50% of the Company's outstanding shares. Shareholders are entitled to
one vote for each full share held and fractional votes for fractional shares
held.     

  The Company may dispense with an annual meeting of shareholders in any year in
which it is not required to elect Directors under the 1940 Act. However, the
Company has undertaken to hold a special meeting of its shareholders for the
purpose of voting on the question of removal of a Director or Directors if
requested in writing by the holders of at least 10% of the Company's outstanding
voting securities, and to assist in communicating with other shareholders as
required by Section 16(c) of the 1940 Act.
    
  Each class of share in a Fund represents an equal proportional interest in the
Fund with other shares of the same class, and is entitled to such dividends and
distributions out of the income earned on the assets belonging to the Fund as
are declared in the discretion of the Directors. Shareholders of each class bear
their pro rata portion of a Fund's operating expenses except for certain class-
specific expenses (e.g., any state securities registration fees, shareholder
servicing fees or distribution fees that may be paid under Rule 12b-1) that are
allocated to a particular class. With respect to matters affecting one class,
but not another, shareholders of each Fund vote as a class. For example,
approval of a distribution plan is voted on only by members of the class
affected by the plan. Subject to the foregoing, all shares of a Fund have equal
voting rights. In the event of the liquidation or dissolution of the Company,
shareholders of a Fund are entitled to receive the assets attributable to the
Fund that are available for distribution, and a distribution of any general
assets not attributable to a particular investment portfolio that are available
for distribution in such manner and on such basis as the Directors in their sole
discretion may determine.     

  Shareholders are not entitled to any preemptive rights. All shares, when
issued, will be fully paid and non-assessable by the Company.
    
  MIP is an open-end, series management investment companies organized as
Delaware business trust on October 21, 1993. In accordance with Delaware law and
in connection with the tax treatment sought by MIP, MIP's Declaration of Trust
provides that its investors would be personally responsible for Trust
liabilities and obligations, but only to the extent MIP's property is
insufficient to satisfy such liabilities and obligations. The Declaration of
Trust also provides that MIP shall maintain appropriate insurance (for example,
fidelity bonding and errors and omissions insurance) for the protection of MIP,
its investors, Trustees, officers, employees and agents covering possible tort
and other liabilities, and that investors will be indemnified to the extent they
are held liable for a disproportionate share of MIP obligations. Thus, the risk
of an investor incurring financial loss on account of investor liability is
limited to circumstances in which both inadequate insurance existed and MIP
itself was unable to meet its obligations.     
    
  The Declaration of Trust further provides that obligations of MIP are not
binding upon its Trustees individually but only upon the property of the Trust
and that the Trustees will not be liable for any action or failure to act, but
nothing in the Declarations of Trust protects a Trustee against any liability to
which the Trustee would otherwise be      
                                      24
<PAGE>
 
subject by reason of willful misfeasance, bad faith, gross negligence, or
reckless disregard of the duties involved in the conduct of the Trustee's
office.
    
  The interests in each Master Portfolio of MIP have substantially identical
voting and other rights as those rights enumerated above for shares of the
Funds. MIP also intends to dispense with annual meetings, but are required by
Section 16(c) of the Act to hold a special meeting and assist investor
communications under the circumstances described above with respect to a
Company. Whenever a Fund is requested to vote on a matter with respect to its
MIP, the Fund will hold a meeting of Fund shareholders and will cast its votes
as instructed by such shareholders.     

  In a situation where a Fund does not receive instruction from certain of its
shareholders on how to vote the corresponding shares of MIP, such Fund will vote
such shares in the same proportion as the shares for which the Fund does receive
voting instructions.
        
  As of November 1, 1998, the shareholders identified below were known by the
Company to own 5% or more of each LifePath Fund's Class I shares outstanding
shares in the indicated capacity. As of said date, there were no shareholders of
the Class R shares of the Funds.    

                                [TO BE UPDATED]
<TABLE>    
<CAPTION>
                                        NAME AND ADDRESS                  PERCENTAGE        NATURE OF
NAME OF FUND                             OF SHAREHOLDER                    OF FUND          OWNERSHIP
- ------------------         ------------------------------------------  ----------------  ---------------
<S>                        <C>                                         <C>               <C>
LifePath 2000 Fund                Merrill Lynch Trust Co. FSB                    79.28%      Record
Class I                           FBO Various 401 K Plans
                                  P.O. Box 62000
                                  San Francisco, CA 94162

                                  Siemens Corp. Savings Plan                     12.66%      Record
                                  Bankers Trust Company TR
                                  P.O. Box 1992 MS D5
                                  Boston, MA 02105

LifePath 2010 Fund                Merrill Lynch Trust Co. FSB                    68.46%      Record
Class I                           FBO Various 401 K Plans
                                  P.O. Box 62000
                                  San Francisco, CA 94162

                                  Wachovia Bank NA                                7.40%      Record
                                  P.O. Box 3073
                                  301 N. Main Street
                                  Winston Salem, NC 27150

                                  Siemens Corp. Savings Plan                      8.38%      Record
                                  Bankers Trust Company TR
                                  P.O. Box 1992 MS D5
                                  Boston, MA 02105

LifePath 2020 Fund                Merrill Lynch Trust Co. FSB                    72.61%      Record
Class I                           FBO Various 401 K Plans
                                  P.O. Box 62000
                                  San Francisco, CA 94162
</TABLE>      
                                      25
<PAGE>
 
<TABLE>    
<CAPTION>
                           NAME AND ADDRESS                  PERCENTAGE       NATURE OF
NAME OF FUND               OF SHAREHOLDER                    OF FUND          OWNERSHIP
- ------------               ----------------                  -----------      ---------
<S>                        <C>                               <C>              <C>
LifePath 2020 Fund         Siemens Corp. Savings Plan              8.83%      Record
Class I                    Bankers Trust Company TR
                           P.O. Box 1992 MS D5
                           Boston, MA 02105

                           Charles Schawab & Co Inc                6.29%      Record
                           Special Custodian
                           A/C for the Exclusive Benefit 
                           of Our Customers                        
                           Attn: Mutual Funds
                           101 Montogmery Street
                           San Francisco, CA 94104

LifePath 2030 Fund         Merrill Lynch Trust Co. FSB            70.73%      Record
Class I                    FBO Various 401 K Plans
                           P.O. Box 62000
                           San Francisco, CA 94162

                           Siemens Corp. Savings Plan             12.30%      Record
                           Bankers Trust Company TR
                           P.O. Box 1992 MS D5
                           Boston, MA 02105
 
                           Wachovia Bank NA                        5.22%      Record
                           P.O. Box 3073
                           301 W Main Street MC NC 31057
                           Winston Salem, NC 27150

LifePath 2040 Fund         Merrill Lynch Trust Co. FSB            65.20%      Record
Class I                    FBO Various 401 K Plans
                           P.O. Box 62000
                           San Francisco, CA 94162

                           Siemens Corp. Savings Plan             14.60%      Record
                           Bankers Trust Company TR
                           P.O. Box 1992 MS D5
                           Boston, MA 02105

                           Bankers Trust Co. of CA NA TEEE         6.63%      Record
                           FBO Pacificorp K Plus Employee
                           Savings & Stock Ownership Plan
                           300 S. Grand Avenue, 40th Floor
                           Los Angeles, CA 90071

                           Wells Fargo Bank FBO                    5.88%      Record
                           Business Retirement Programs
                           Omnibus Act
                           MF MAC 9139-027
                           P.O. Box 9800
                           Calabasas, CA 91372
</TABLE>     
        
  For purposes of the 1940 Act, any person who owns directly or through one or
more controlled companies more than 25% of the voting securities of a company is
presumed to "control" such company. Accordingly, to the extent that a
shareholder identified in the foregoing table is identified as the beneficial
holder of more than 25% of a Fund, or is identified as the holder of record of
more than 25% of a Fund and has voting and/or investment powers, it may be
presumed to control such Fund.

                                      26
<PAGE>
 
                                     OTHER
                                            
  Each Fund share, irrespective of class, has one vote and, when issued and paid
for in accordance with the terms of the offering, is fully paid and non-
assessable. Shares have no preemptive, subscription or conversion rights and are
freely transferable. Each share of a class has identical voting rights with
respect to each other share of that class in the Fund that issues it. However,
there are certain matters which affect one class but not another. Currently, the
only such matter is the existence of a Distribution Plan pursuant to Rule 12b-11
under the 1940 Act with respect to the Class R shares but not the Class I
shares. On this matter the shareholders of the affected class vote as a class.
Rule 18f-2 under the 1940 Act provides that any matter required to be submitted
under the provisions of the 1940 Act or applicable state law or otherwise to the
holders of the outstanding voting securities of an investment company, such as
the Company, will not be deemed to have been effectively acted upon unless
approved by the holders of a majority of the outstanding shares of each Fund
affected by such matter. Rule 18f-2 further provides that a Fund shall be deemed
to be affected by a matter unless it is clear that the interests of such Fund in
the matter are identical or that the matter does not affect any interest of such
Fund. However, the Rule exempts the selection of independent auditors and the
election of Directors from the separate voting requirements of the Rule.     

  The Registration Statement, including the Prospectus for the LifePath Funds,
the SAI and the exhibits filed therewith, may be examined at the office of the
SEC in Washington, D.C. Statements contained in the Prospectus or the SAI as to
the contents of any contract or other document referred to herein or in the
Prospectus 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, each such statement being qualified in all respects by
such reference.

  The Funds send annual and semi-annual financial statements to all its
shareholders of record.



                                    COUNSEL
                                            
  Morrison & Foerster LLP, 2000 Pennsylvania Avenue, NW, Suite 5500, Washington,
D.C. 20006-1812, as counsel for the Company, has rendered its opinion as to
certain legal matters regarding the due authorization and valid issuance of the
shares being sold pursuant to the Funds' Prospectus.     


                             INDEPENDENT AUDITORS
                                        
  KPMG Peat Marwick LLP, Three Embarcadero Center, San Francisco, California
94111, has been selected to serve as independent auditors for the Company. KPMG
Peat Marwick LLP provides audit services, tax return preparation and assistance
and consultation in connection with review of certain SEC filings.


                             FINANCIAL INFORMATION
                                            
  The audited financial statements, including the portfolio of investments, and
independent auditors' report for the fiscal period ended February 28, 1998 for
each LifePath Fund and corresponding LifePath Master Portfolio are hereby
incorporated by reference to the MasterWorks Funds, Inc. Annual Report, as filed
with the SEC on May 1, 1998. The audited financial statements are attached to
all SAIs delivered to shareholders or prospective shareholders.     

                                      27
<PAGE>
 
                                    APPENDIX
                                            
  Description of certain ratings assigned by Standard & Poor's Corporation
("S&P"), Moody's Investors Service, Inc. ("Moody's"), Fitch Investors Service,
Inc. ("Fitch"), Duff & Phelps, Inc. ("Duff") and IBCA Inc. and IBCA Limited
("IBCA"):     

S&P

BOND RATINGS

AAA

  Bonds rated "AAA" have the highest rating assigned by S&P. Capacity to pay
interest and repay principal is extremely strong.

AA

  Bonds rated "AA" have a very strong capacity to pay interest and repay
principal and differ from the highest rated issues only in small degree.

A

  Bonds rated "A" have a strong capacity to pay interest and repay principal
although they are somewhat more susceptible to the adverse effects of changes in
circumstances and economic conditions than obligations in higher rated
categories.

BBB

  Bonds rated "BBB" are regarded as having an adequate capacity to pay interest
and repay principal. Whereas they normally exhibit adequate protection
parameters, adverse economic conditions or changing circumstances are more
likely to lead to a weakened capacity to pay interest and repay principal for
bonds in this category than for bonds in higher rated categories.
    
  S&P's letter ratings may be modified by the addition of a plus (+) or minus 
(-) sign designation, which is used to show relative standing within the major
rating categories, except in the "AAA" (Prime Grade) category.     

COMMERCIAL PAPER RATING

  The designation "A-1" by S&P indicates that the degree of safety regarding
timely payment is either overwhelming or very strong. Those issues determined to
possess overwhelming safety characteristics are denoted with a plus sign (+)
designation. Capacity for timely payment on issues with an "A-2" designation is
strong. However, the relative degree of safety is not as high as for issues
designated "A-1".
    
MOODY'S      

BOND RATINGS

Aaa

  Bonds which are rated "Aaa" are judged to be of the best quality. They carry
the smallest degree of investment risk and are generally referred to as "gilt
edge." Interest payments are protected by a large or by an exceptionally stable
margin and principal is secure. While the various protective elements are likely
to change, such changes as can be visualized are most unlikely to impair the
fundamentally strong position of such issues.

                                      A-1
<PAGE>
 
Aa

  Bonds which are rated "Aa" are judged to be of high quality by all standards.
Together with the Aaa group they comprise what generally 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 securities or fluctuation of protective elements
may be of greater amplitude or there may be other elements present which make
the long-term risks appear somewhat larger than in Aaa securities.

A

  Bonds which are rated "A" possess many favorable investment attributes and are
to be considered as upper medium grade obligations. Factors giving security to
principal and interest are considered adequate, but elements may be present
which suggest a susceptibility to impairment sometime in the future.

Baa

  Bonds which are rated "Baa" are considered as medium grade obligations, i.e.,
they are neither highly protected nor poorly secured. Interest payments and
principal security appear adequate for the present but certain protective
elements may be lacking or may be characteristically unreliable over any great
length of time. Such bonds lack outstanding investment characteristics and in
fact have speculative characteristics as well.
    
  Moody's applies the numerical modifiers "1", "2" and "3" to show relative
standing within the major rating categories, except in the "Aaa" category. The
modifier "1" indicates a ranking for the security in the higher end of a rating
category; the modifier "2" indicates a mid-range ranking; and the modifier "3"
indicates a ranking in the lower end of a rating category.     

COMMERCIAL PAPER RATING
    
  The rating Prime-1 ("P-1") is the highest commercial paper rating assigned by
Moody's. Issuers of "P-1" paper must have a superior capacity for repayment of
short-term promissory obligations, and this ordinarily is evidenced by leading
market positions in well established industries, high rates of return on funds
employed, conservative capitalization structures with moderate reliance on debt
and ample asset protection, broad margins in earnings coverage of fixed
financial charges and high internal cash generation, and well established access
to a range of financial markets and assured sources of alternate liquidity.     

  Issuers (or relating supporting institutions) rated Prime-2 ("P-2") have a
strong capacity for repayment of short-term promissory obligations. This
ordinarily is evidenced by many of the characteristics cited above but to a
lesser degree. Earnings trends and coverage ratios, while sound, are more
subject to variation. Capitalization characteristics, while still appropriate,
may be more affected by external conditions. Ample alternate liquidity is
maintained.

FITCH

BOND RATINGS
    
  The ratings represent Fitch's assessment of the issuer's ability to meet the
obligations of a specific debt issue or class of debt. The ratings take into
consideration special features of the issue, its relationship to other
obligations of the issuer, the current financial condition and operative
performance of the issuer and of any guarantor, as well as the political and
economic environment that might affect the issuer's future financial strength
and credit quality.     

                                      A-2
<PAGE>
 
AAA

  Bonds rated "AAA" are considered to be investment grade and of the highest
credit quality. The obligor has an exceptionally strong ability to pay interest
and repay principal, which is unlikely to be affected by reasonably foreseeable
events.

AA
    
  Bonds rated "AA" are considered to be investment grade and of very high credit
quality. The obligor's ability to pay interest and repay principal is very
strong, although not quite as strong as bonds rated "AAA". Because bonds rated
in the "AAA" and "AA" categories are not significantly vulnerable to foreseeable
future developments, short- term debt of these issuers is generally rated 
"F-1+".     

A
    
  Bonds rated "A" are considered to be investment grade and of high credit
quality. The obligor's ability to pay interest and repay principal is considered
to be strong, but may be more vulnerable to adverse changes in economic
conditions and circumstances than bonds with higher ratings.     

BBB
    
  Bonds rated "BBB" are considered to be investment grade and of satisfactory
credit quality. The obligor's ability to pay interest and repay principal is
considered to be adequate. Adverse changes in economic conditions and
circumstances, however, are more likely to have an adverse impact on these bonds
and, therefore, impair timely payment. The likelihood that the ratings of these
bonds will fall below investment grade is higher than for bonds with higher
ratings.     

  Plus (+) and minus (-) signs are used with a rating symbol to indicate the
relative position of a credit within the rating category.

SHORT-TERM RATINGS
    
  Fitch's short-term ratings apply to debt obligations that are payable on
demand or have original maturities of up to three years, including commercial
paper, certificates of deposit, medium-term notes, and municipal and investment
notes.     
    
  Although the credit analysis is similar to Fitch's bond rating analysis, the
short-term rating places greater emphasis than bond ratings on the existence of
liquidity necessary to meet the issuer's obligations in a timely manner.     

F-1+

  Exceptionally Strong Credit Quality. Issues assigned this rating are regarded
as having the strongest degree of assurance for timely payment.

F-1

  Very Strong Credit Quality. Issues assigned this rating reflect an assurance
of timely payment only slightly less in degree than issues rated "F-1+".

F-2

  Good Credit Quality. Issues carrying this rating have a satisfactory degree of
assurance for timely payments, but the margin of safety is not as great as the
"F-1+" and "F-1" categories.


                                      A-3
<PAGE>
 
DUFF

BOND RATINGS

AAA

  Bonds rated "AAA" are considered highest credit quality. The risk factors are
negligible, being only slightly more than for risk-free U.S. Treasury debt.

AA

  Bonds rated "AA" are considered high credit quality. Protection factors are
strong. Risk is modest but may vary slightly from time to time because of
economic conditions.

A

  Bonds rated "A" have protection factors which are average but adequate.
However, risk factors are more variable and greater in periods of economic
stress.

BBB

  Bonds rated "BBB" are considered to have below average protection factors but
still considered sufficient for prudent investment. Considerable variability in
risk during economic cycles.

  Plus (+) and minus (-) signs are used with a rating symbol (except "AAA") to
indicate the relative position of a credit within the rating category.

COMMERCIAL PAPER RATING

  The rating "D-1" is the highest commercial paper rating assigned by Duff.
Paper rated "D-1" is regarded as having very high certainty of timely payment
with excellent liquidity factors which are supported by ample asset protection.
Risk factors are minor. Paper rated "D-2" is regarded as having good certainty
of timely payment, good access to capital markets and sound liquidity factors
and company fundamentals. Risk factors are small.

IBCA

BOND AND LONG-TERM RATINGS

  Obligations rated "AAA" by IBCA have the lowest expectation of investment
risk. Capacity for timely repayment of principal and interest is substantial,
such that adverse changes in business, economic or financial conditions are
unlikely to increase investment risk significantly. Obligations for which there
is a very low expectation of investment risk are rated "AA" by IBCA. Capacity
for timely repayment of principal and interest is substantial. Adverse changes
in business, economic or financial conditions may increase investment risk
albeit not very significantly.

COMMERCIAL PAPER AND SHORT-TERM RATINGS

  The designation "A1" by IBCA indicates that the obligation is supported by a
very strong capacity for timely repayment. Those obligations rated "A1+" are
supported by the highest capacity for timely repayment. Obligations rated "A2"
are supported by a strong capacity for timely repayment, although such capacity
may be susceptible to adverse changes in business, economic or financial
conditions.

                                      A-4
<PAGE>
 
INTERNATIONAL AND U.S. BANK RATINGS
    
  An IBCA bank rating represents IBCA's current assessment of the strength of
the bank and whether such bank would receive support should it experience
difficulties. In its assessment of a bank, IBCA uses a dual rating system
comprised of Legal Ratings and Individual Ratings. In addition, IBCA assigns
banks Long-and Short-Term Ratings as used in the corporate ratings discussed
above. Legal Ratings, which range in gradation from 1 through 5, address the
question of whether the bank would receive support provided by central banks or
interestholders if it experienced difficulties, and such ratings are considered
by IBCA to be a prime factor in its assessment of credit risk. Individual
Ratings, which range in gradations from A through E, represent IBCA's assessment
of a bank's economic merits and address the question of how the bank would be
viewed if it were entirely independent and could not rely on support from state
authorities or its owners.     

                                      A-5
<PAGE>
 
                            MASTERWORKS FUNDS INC.

                      STATEMENT OF ADDITIONAL INFORMATION

                             ASSET ALLOCATION FUND

                                CLASS R SHARES

                               JANUARY 18, 1999

  MasterWorks Funds Inc. ("Company") is an open-end, management investment
company. This Statement of Additional Information ("SAI") contains information
about Class R shares of the Company's ASSET ALLOCATION FUND (the "Fund"). The
Fund seeks to achieve its investment objective by investing substantially all of
its assets in the Asset Allocation Master Portfolio (the "Master Portfolio") of
Master Investment Portfolio ("MIP"). The Master Portfolio has the same
investment objective as the Fund as described in its prospectus. See "The 
Fund -- Investment Objective and Policies."

  Barclays Global Fund Advisors ("BGFA") serves as investment advisor to the
Master Portfolio.  References to the investments, investment policies and risks
of the Fund unless otherwise indicated, should be understood as references to
the investments, investment policies and risks of the Master Portfolio.

  This SAI is not a prospectus and should be read in conjunction with the Fund's
current Prospectus, dated January 18, 1999. All terms used in this SAI that are
defined in the Prospectus will have the meanings assigned in the Prospectus.  A
copy of the Prospectus may be obtained without charge by writing MasterWorks
Funds Inc., c/o Investors Bank & Trust Co., -- Transfer Agent, P.O. Box 9130,
Mail Code MFD23, Boston, MA 02117-9130, or by calling 1-888-204-3956.
<PAGE>
 
                               TABLE OF CONTENTS

<TABLE>
<S>                                                                     <C>
General Information...................................................    1
Investment Restrictions...............................................    1
Additional Permitted Investment Activities............................    6
Management............................................................   11
Purchase and Redemption of Shares.....................................   18
Determination of Net Asset Value......................................   19
Taxes.................................................................   19
Performance Information...............................................   24
Portfolio Transactions................................................   28
Capital Stock.........................................................   30
Other.................................................................   32
Counsel...............................................................   33
Independent Auditors..................................................   33
Financial Information.................................................   33
SAI Appendix..........................................................  A-1
Financial Statements..................................................  F-1
</TABLE>
<PAGE>
 
                              GENERAL INFORMATION

  The Company is a registered investment company which currently offers twelve
series, including the Fund. MIP is a registered investment company consisting of
nine series including the Asset Allocation Master Portfolio.  The Fund invests
all of its assets in the Master Portfolio which has the same or substantially
the same investment objectives as the Fund.

  On or about December 30, 1993, the Company's Board of Directors approved,
primarily for marketing purposes, the change of its corporate name from
"WellsFunds Inc." to "Stagecoach Inc." On or about March 15, 1996, the Company
changed its corporate name from "Stagecoach Inc." to "MasterWorks Funds Inc."

                            INVESTMENT RESTRICTIONS

  The Fund and Master Portfolio have adopted investment policies which may be
fundamental or non-fundamental.  Fundamental policies cannot be changed without
approval by the holders of a majority (as defined in the Investment Company Act
of 1940, as amended (the "1940 Act")) of the outstanding voting securities of
the Fund or Master Portfolio, as the case may be.  Non-fundamental policies may
be changed without shareholder approval by vote of a majority of the Directors
of the Company at any time.

  FUNDAMENTAL INVESTMENT RESTRICTIONS.  The Fund is subject to the following
investment restrictions, all of which are fundamental policies.

  The Asset Allocation Fund may not:

  (1) purchase the securities of issuers conducting their principal business
activity in the same industry if, immediately after the purchase and as a result
thereof, the value of any Fund's investments in that industry would be 25% or
more of the current value of such Fund's total assets, provided that there is no
limitation with respect to investments in (i) obligations of the U.S.
Government, its agencies or instrumentalities; (ii) in the case of the stock
portion of the Fund, any industry in which the S&P 500 Index becomes
concentrated to the same degree during the same period (provided that, with
respect to the stock and money market portions of the Fund, the Fund will be
concentrated as specified above only to the extent the percentage of its assets
invested in those categories of investments is sufficiently large that 25% or
more of its total assets would be invested in a single industry); and (iii) in
the case of the money market portion of the Fund, its money market instruments
may be concentrated in the banking industry (but will not do so unless the SEC
staff confirms that it does not object to the Fund reserving freedom of action
to concentrate investments in the banking industry); and provided further, that
the Fund may invest all its assets in a diversified open-end management
investment company, or series thereof, with substantially the same investment
objective, policies and restrictions as the Fund, without regard for the
limitations set forth in this paragraph (1);

  (2) purchase or sell real estate or real estate limited partnerships (other
than securities secured by real estate or interests therein or securities issued
by companies that invest in real estate or interests therein);

  (3) purchase commodities or commodity contracts (including futures contracts),
except that the Fund may purchase securities of an issuer which invests or deals
in commodities or commodity contracts, and except that the Fund may enter into
futures and options contracts in accordance with its investment policies;

                                       1
<PAGE>
 
  (4) purchase interests, leases, or limited partnership interests in oil, gas,
or other mineral exploration or development programs;

  (5) purchase securities on margin (except for short-term credits necessary for
the clearance of transactions and except for margin payments in connection with
options, futures and options on futures) or make short sales of securities;

  (6) underwrite securities of other issuers, except to the extent that the
purchase of permitted investments directly from the issuer thereof or from an
underwriter for an issuer and the later disposition of such securities in
accordance with the Fund's investment program may be deemed to be an
underwriting and provided further, that the purchase by the Fund of securities
issued by a diversified, open-end management investment company, or a series
thereof, with substantially the same investment objective, policies and
restrictions as the Fund shall not constitute an underwriter for purposes of
this paragraph (6);

  (7) make investments for the purpose of exercising control or management;
provided that the Fund may invest all its assets in a diversified, open-end
management investment company, or a series thereof, with substantially the same
investment objective, policies and restrictions as the Fund, without regard to
the limitations set forth in this paragraph (7);

  (8) borrow money or issue senior securities as defined in the 1940 Act, except
that the Fund may borrow up to 20% of the current value of its net assets for
temporary purposes only in order to meet redemptions, and these borrowings may
be secured by the pledge of up to 20% of the current value of its net assets
(but investments may not be purchased while any such outstanding borrowing in
excess of 5% of its net assets exists);

  (9) write, purchase or sell puts, calls, straddles, spreads, warrants, options
or any combination thereof, except that the Fund may enter into futures and
options contracts in accordance with its investment policies, except that the
Fund may purchase securities with put rights in order to maintain liquidity;

  (10) purchase securities of any issuer (except securities issued or guaranteed
by the U.S. Government, its agencies and instrumentalities) if, as a result,
with respect to 75% of its total assets, more than 5% of the value of the
Fund's, total assets would be invested in the securities of any one issuer or,
with respect to 100% of its total assets the Fund's ownership would be more than
10% of the outstanding voting securities of such issuer; provided that the Fund
may invest all its assets in a diversified, open-end management investment
company, or a series thereof, with substantially the same investment objective,
policies and restrictions as the Fund, without regard to the limitations set
forth in this paragraph (10); or

  (11) make loans, except that the Fund may purchase or hold debt instruments or
lend its portfolio securities in accordance with its investment policies, and
may enter into repurchase agreements.

  NON-FUNDAMENTAL INVESTMENT RESTRICTIONS.  The Fund is subject to the following
investment restrictions, all of which are non-fundamental policies.

  (1) The Fund may not, unless required by its investment strategy of
replicating the composition of a published market index:

     (a) purchase or retain securities of any issuer if the officers or
Directors of the Company or the investment adviser owning beneficially more than
one-half of one percent (0.5%) of the securities of the issuer together owned
beneficially more than 5% of such securities;

                                       2
<PAGE>
 
     (b) purchase securities of issuers who, with their predecessors, have been
in existence less than three years, unless the securities are fully guaranteed
or insured by the U.S. Government, a state, commonwealth, possession, territory,
the District of Columbia or by an entity in existence at least three years, or
the securities are backed by the assets and revenues of any of the foregoing if,
by reason thereof, the value of its aggregate investments in such securities
will exceed 5% of its total assets, provided that this restriction does not
affect the Fund's ability to invest all or a portion of its assets in the Master
Portfolio of MIP.

  (2) The Fund reserves the right to invest up to 15% of the current value of
its net assets in fixed time deposits that are subject to withdrawal penalties
and that have maturities of more than seven days, repurchase agreements maturing
in more than seven days or other illiquid securities.

  (3) The Fund may invest in shares of other open-end, management investment
companies, subject to the limitations of Section 12(d)(1) of the 1940 Act,
provided that any such purchases will be limited to temporary investments in
shares of unaffiliated investment companies and the Investment Adviser will
waive its advisory fees for that portion of the Master Portfolio's assets so
invested, except when such purchase is part of a plan of merger, consolidation,
reorganization or acquisition.  However, these limits should not prevent the
Fund from investing all of its assets in the Master Portfolio.

  The Master Portfolio to the Fund is subject to the following investment
restrictions.

  FUNDAMENTAL INVESTMENT RESTRICTIONS.  The Master Portfolio is subject to the
following investment restrictions, all of which are fundamental policies.

  The Master Portfolio may not:

  (1) invest more than 5% of its assets in the obligations of any single issuer,
except that up to 25% of the value of its total assets may be invested, and
securities issued or guaranteed by the U.S. Government, or its agencies or
instrumentalities may be purchased, without regard to any such limitation.

  (2) hold more than 10% of the outstanding voting securities of any single
issuer. This Investment Restriction applies only with respect to 75% of its
total assets.

  (3) invest in commodities, except that the Master Portfolio may purchase and
sell (i.e., write) options, forward contracts, futures contracts, including
those relating to indexes, and options on futures contracts or indexes.

  (4) purchase, hold or deal in real estate, or oil, gas or other mineral leases
or exploration or development programs, but the Master Portfolio may purchase
and sell securities that are secured by real estate or issued by companies that
invest or deal in real estate.

  (5) borrow money, except that the Master Portfolio may borrow up to 20% of the
current value of its net assets for temporary purposes only in order to meet
redemptions, and these borrowings may be secured by the pledge of up to 20% of
the current value of its net assets (but investments may not be purchased while
any such outstanding borrowing in excess of 5% of its net assets exists). For
purposes of this investment restriction, the Master Portfolio's entry into
options, forward contracts, futures contracts, including those relating to
indexes, and options on futures contracts or indexes shall not constitute
borrowing to the extent certain segregated accounts are established and
maintained by the Master Portfolio.

                                       3
<PAGE>
 
  (6) make loans to others, except through the purchase of debt obligations and
the entry into repurchase agreements. However, the Master Portfolio may lend its
portfolio securities in an amount not to exceed one-third of the value of its
total assets. Any loans of portfolio securities will be made according to
guidelines established by the SEC and MIP's Board of Trustees.

  (7) act as an underwriter of securities of other issuers, except to the extent
that the Master Portfolio may be deemed an underwriter under the Securities Act
of 1933, as amended, by virtue of disposing of portfolio securities.

  (8) invest 25% or more of its total assets in the securities of issuers in any
particular industry or group of closely related industries except that, in the
case of the Master Portfolio, there shall be no limitation with respect to
investments in (i) obligations of the U.S. Government, its agencies or
instrumentalities; (ii) in the case of the stock portion of the Asset Allocation
Master Portfolio, any industry in which the S&P 500 Index becomes concentrated
to the same degree during the same period (provided that, with respect to the
stock and money market portions of the Master Portfolio, the Master Portfolio
will be concentrated as specified above only to the extent the percentage of its
assets invested in those categories of investments is sufficiently large that
25% or more of its total assets would be invested in a single industry); (iii)
in the case of the money market portion of the Master Portfolio, its money
market instruments may be concentrated in the banking industry (but will not do
so unless the SEC staff confirms that it does not object to the Master Portfolio
reserving freedom of action to concentrate investments in the banking industry).

  (9) issue any senior security (as such term is defined in Section 18(f) of the
1940 Act), except to the extent the activities permitted in the Master
Portfolio's fundamental policies (3) and (5) and non-fundamental policies (2)
and (3), may be deemed to give rise to a senior security.

  (10) purchase securities on margin, but the Master Portfolio may make margin
deposits in connection with transactions in options, forward contracts, futures
contracts, including those related to indexes, and options on futures contracts
or indexes.

  NON-FUNDAMENTAL INVESTMENT RESTRICTIONS.  The Master Portfolio is subject to
the following non-fundamental policies.

  The Master Portfolio may not:

  (1) invest in the securities of a company for the purpose of exercising
management or control, but the Master Portfolio will vote the securities it owns
in its portfolio as a shareholder in accordance with its views.

  (2) pledge, mortgage or hypothecate its assets, except to the extent necessary
to secure permitted borrowings and to the extent related to the purchase of
securities on a when-issued or forward commitment basis and the deposit of
assets in escrow in connection with writing covered put and call options and
collateral and initial or variation margin arrangements with respect to options,
forward contracts, futures contracts, including those relating to indexes, and
options on futures contracts or indexes.

  (3) purchase, sell or write puts, calls or combinations thereof, except as may
be described in the Master Portfolio's offering documents.

                                       4
<PAGE>
 
  (4) purchase securities of any company having less than three years'
continuous operations (including operations of any predecessors) unless the
securities are fully guaranteed or insured by the U.S. Government, a state,
commonwealth, possession, territory, the District of Columbia or by an entity in
existence at least three years, or the securities are backed by the assets and
revenues of any of the foregoing if such purchase would cause the value of its
investments in all such companies to exceed 5% of the value of its total assets.

  (5) enter into repurchase agreements providing for settlement in more than
seven days after notice or purchase securities which are illiquid, if, in the
aggregate, more than 15% of the value of the Master Portfolio's net assets would
be so invested.

  (6) purchase securities of other investment companies, except to the extent
permitted under the 1940 Act.

  (7) purchase or retain securities of any issuer if the officers or Directors
of the Company or its investment adviser owning beneficially more than one-half
of one percent (0.5%) of the securities of the issuer together owned
beneficially more than 5% of such securities.

  If a percentage restriction is adhered to at the time of investment, a later
change in percentage resulting from a change in values or assets will not
constitute a violation of such restriction.

                   ADDITIONAL PERMITTED INVESTMENT ACTIVITIES

  Asset Allocation Model. A key component of the Asset Allocation Model is a set
  ----------------------                                                        
of assumptions concerning expected risk and return and investor attitudes toward
risk which are incorporated into the asset allocation decision. The principal
inputs of financial data to the Asset Allocation Model for the Asset Allocation
Master Portfolio currently are (i) consensus estimates of the earnings,
dividends and payout ratios on a broad cross-section of common stocks as
reported by independent financial reporting services which survey a broad cross-
section of Wall Street analysts; (ii) the estimated current yield to maturity on
new long-term corporate bonds rated "AA" by S&P; (iii) the present yield on
money market instruments; (iv) the historical statistical standard deviation in
investment return for each class of asset; and (v) the historical statistical
correlation of investment returns among the various asset classes in which the
Master Portfolio invests.

  Repurchase Agreements.  The Master Portfolio may engage in a repurchase
  ---------------------                                                  
agreement with respect to any security in which it is authorized to invest,
although the underlying security may mature in more than thirteen months. The
Master Portfolio may enter into repurchase agreements wherein the seller of a
security to the Master Portfolio agrees to repurchase that security from the
Master Portfolio Fund at a mutually agreed-upon time and price that involves the
acquisition by the Master Portfolio of an underlying debt instrument, subject to
the seller's obligation to repurchase, and the Master Portfolio's obligation to
resell, the instrument at a fixed price usually not more than one week after its
purchase.  The Master Portfolio's custodian has custody of, and holds in a
segregated account, securities acquired as collateral by the Master Portfolio
under a repurchase agreement.  Repurchase agreements are considered by the staff
of the SEC to be loans by the Master Portfolio.  The Master Portfolio may enter
into repurchase agreements only with respect to securities of the type in which
it may invest, including government securities and mortgage-related securities,
regardless of their remaining maturities, and requires that additional
securities be deposited with the custodian if the value of the securities
purchased should decrease below resale price.  BGFA  monitors on an ongoing
basis the value of the collateral to 

                                       5
<PAGE>
 
assure that it always equals or exceeds the repurchase price. Certain costs may
be incurred by the Master Portfolio in connection with the sale of the
underlying securities if the seller does not repurchase them in accordance with
the repurchase agreement. In addition, if bankruptcy proceedings are commenced
with respect to the seller of the securities, disposition of the securities by
the Master Portfolio may be delayed or limited. While it does not presently
appear possible to eliminate all risks from these transactions (particularly the
possibility of a decline in the market value of the underlying securities, as
well as delay and costs to the Master Portfolio in connection with insolvency
proceedings), it is the policy of the Master Portfolio to limit repurchase
agreements to selected creditworthy securities dealers or domestic banks or
other recognized financial institutions. The Master Portfolio considers on an
ongoing basis the creditworthiness of the institutions with which it enters into
repurchase agreements. Repurchase agreements are considered to be loans by a
Master Portfolio under the 1940 Act.

  Floating- and Variable-Rate Obligations. The Master Portfolio may purchase
  ---------------------------------------                                   
floating- and  variable-rate obligations as described in the Prospectus. The
Master Portfolio may purchase floating- and variable-rate demand notes and
bonds, which are obligations ordinarily having stated maturities in excess of
thirteen months, but which permit the holder to demand payment of principal at
any time, or at specified intervals not exceeding thirteen months.  Variable
rate demand notes include master demand notes that are obligations that permit
the Master Portfolio  to invest fluctuating amounts, which may change daily
without penalty, pursuant to direct arrangements between the Master Portfolio,
as lender, and the borrower.  The interest rates on these notes fluctuate from
time to time.  The issuer of such obligations ordinarily has a corresponding
right, after a given period, to prepay in its discretion the outstanding
principal amount of the obligations plus accrued interest upon a specified
number of days' notice to the holders of such obligations.  The interest rate on
a floating-rate demand obligation is based on a known lending rate, such as a
bank's prime rate, and is adjusted automatically each time such rate is
adjusted.  The interest rate on a variable-rate demand obligation is adjusted
automatically at specified intervals.  Frequently, such obligations are secured
by letters of credit or other credit support arrangements provided by banks.
Because these obligations are direct lending arrangements between the lender and
borrower, it is not contemplated that such instruments generally will be traded,
and there generally is no established secondary market for these obligations,
although they are redeemable at face value.  Accordingly, where these
obligations are not secured by letters of credit or other credit support
arrangements, the Master Portfolio's right to redeem is dependent on the ability
of the borrower to pay principal and interest on demand.  Such obligations
frequently are not rated by credit rating agencies and the Master Portfolio Fund
may invest in obligations which are not so rated only if BGFA determines that at
the time of investment the obligations are of comparable quality to the other
obligations in which the Master Portfolio  may invest.  BGFA, on behalf of the
Master Portfolio, considers on an ongoing basis the creditworthiness of the
issuers of the floating- and variable-rate demand obligations in the Master
Portfolio's portfolio.  The Master Portfolio will not invest more than 10% of
the value of its total net assets in floating- or variable-rate demand
obligations whose demand feature is not exercisable within seven days. Such
obligations may be treated as liquid, provided that an active secondary market
exists.

  Unrated, Downgraded and Below Investment Grade Investments. The Master
  ----------------------------------------------------------            
Portfolio may purchase instruments that are not rated if, in the opinion of its
adviser, BGFA, such obligation is of investment quality comparable to other
rated investments that are permitted to be purchased by the Master Portfolio.
After purchase by the Master Portfolio, a security may cease to be rated or its
rating may be reduced below the minimum required for purchase by the Master
Portfolio. Neither event will require a sale of such security by the Master
Portfolio provided that the amount of such securities held by the Master
Portfolio does not exceed 5% of the Master Portfolio's net assets. To the extent
the ratings given by Moody's or S&P may change as a result of changes in such
organizations or their rating systems, the Master Portfolio will attempt to use
comparable ratings as standards for investments in accordance with 

                                       6
<PAGE>
 
the investment policies contained in its Prospectus and in this SAI. The ratings
of Moody's and S&P are more fully described in the SAI Appendix.

  The Master Portfolio is not required to sell downgraded securities, and the
Master Portfolio could hold up to 5% of its net assets in debt securities rated
below "Baa" by Moody's or below "BBB" by S&P or if unrated, low quality (below
investment grade) securities.

  Although they may offer higher yields than do higher rated securities, low
rated and unrated low quality debt securities generally involve greater
volatility of price and risk of principal and income, including the possibility
of default by, or bankruptcy of, the issuers of the securities. In addition, the
markets in which low rated and unrated low quality debt are traded are more
limited than those in which higher rated securities are traded. The existence of
limited markets for particular securities may diminish the Master Portfolio's
ability to sell the securities at fair value either to meet redemption requests
or to respond to changes in the economy or in the financial markets and could
adversely affect and cause fluctuations in the daily net asset value of the
Master Portfolio's shares.

  Adverse publicity and investor perceptions, whether or not based on
fundamental analysis, may decrease the values and liquidity of low rated or
unrated low quality debt securities, especially in a thinly traded market.
Analysis of the creditworthiness of issuers of low rated or unrated low quality
debt securities may be more complex than for issuers of higher rated securities,
and the ability of the Master Portfolio to achieve its investment objective may,
to the extent it holds low rated or unrated low quality debt securities, be more
dependent upon such creditworthiness analysis than would be the case if the
Master Portfolio held exclusively higher rated or higher quality securities.

  Low rated or unrated low quality debt securities may be more susceptible to
real or perceived adverse economic and competitive industry conditions than
investment grade securities. The prices of such debt securities have been found
to be less sensitive to interest rate changes than higher rated or higher
quality investments, but more sensitive to adverse economic downturns or
individual corporate developments. A projection of an economic downturn or of a
period of rising interest rates, for example, could cause a decline in low rated
or unrated low quality debt securities prices because the advent of a recession
could dramatically lessen the ability of a highly leveraged company to make
principal and interest payments on its debt securities. If the issuer of the
debt securities defaults, the Master Portfolio may incur additional expenses to
seek recovery.

  Letters of Credit. Certain of the debt obligations (including municipal
  -----------------                                                      
securities, certificates of participation, commercial paper and other short-term
obligations) which the Master Portfolio may purchase may be backed by an
unconditional and irrevocable letter of credit of a bank, savings and loan
association or insurance company which assumes the obligation for payment of
principal and interest in the event of default by the issuer. Only banks,
savings and loan associations and insurance companies which, in the opinion of
BGFA, as investment adviser, are of comparable quality to issuers of other
permitted investments of the Master Portfolio may be used for letter of credit-
backed investments.

  When-Issued Securities. Certain of the securities in which the Master
  ----------------------                                               
Portfolio may invest will be purchased on a when-issued basis, in which case
delivery and payment normally take place within 45 days after the date of the
commitment to purchase. The Master Portfolio only will make commitments to
purchase securities on a when-issued basis with the intention of actually
acquiring the securities, but may sell them before the settlement date if it is
deemed advisable. When-issued securities are subject to market fluctuation, and
no income accrues to the purchaser during the period prior to issuance. The
purchase price and the interest rate that will be received on debt securities
are fixed at the time the 

                                       7
<PAGE>
 
purchaser enters into the commitment. Purchasing a security on a when-issued
basis can involve a risk that the market price at the time of delivery may be
lower than the agreed-upon purchase price, in which case there could be an
unrealized loss at the time of delivery. The Master Portfolio currently does not
intend to invest more than 5% of its assets in when-issued securities during the
coming year. The Master Portfolio will establish a segregated account in which
it will maintain cash or liquid, high-grade debt securities in an amount at
least equal in value to the Master Portfolio's commitments to purchase when-
issued securities. If the value of these assets declines, the Master Portfolio
will place additional liquid assets in the account on a daily basis so that the
value of the assets in the account is equal to the amount of such commitments.

  Loans of Portfolio Securities. The Master Portfolio may lend securities from
  -----------------------------                                               
its portfolios to brokers, dealers and financial institutions (but not
individuals) if cash, U.S. Government securities or other high-quality debt
obligations equal to at least 100% of the current market value of the securities
loan (including accrued interest thereon) plus the interest payable to the
Master Portfolio with respect to the loan is maintained with the Master
Portfolio. In determining whether to lend a security to a particular broker,
dealer or financial institution, the Master Portfolio's investment adviser will
consider all relevant facts and circumstances, including the size,
creditworthiness and reputation of the broker, dealer, or financial institution.
Any loans of portfolio securities will be fully collateralized based on values
that are marked to market daily. The Master Portfolio will not enter into any
portfolio security lending arrangement having a duration of longer than one
year. Any securities that the Master Portfolio may receive as collateral will
not become part of the Master Portfolio's investment portfolio at the time of
the loan and, in the event of a default by the borrower, the Master Portfolio
will, if permitted by law, dispose of such collateral except for such part
thereof that is a security in which the Master Portfolio is permitted to invest.
During the time securities are on loan, the borrower will pay the Master
Portfolio any accrued income on those securities, and the Master Portfolio may
invest the cash collateral and earn income or receive an agreed-upon fee from a
borrower that has delivered cash-equivalent collateral. The Master Portfolio
will not lend securities having a value that exceeds one-third of the current
value of its total assets. Loans of securities by the Master Portfolio will be
subject to termination at the Master Portfolio's or the borrower's option. The
Master Portfolio may pay reasonable administrative and custodial fees in
connection with a securities loan and may pay a negotiated portion of the
interest or fee earned with respect to the collateral to the borrower or the
placing broker. Borrowers and placing brokers may not be affiliated, directly or
indirectly, with the Company, BGFA, or the Distributor.

  Futures Contracts. The Fund's Master Portfolio may use futures contracts as a
  -----------------                                                            
hedge against the effects of interest rate changes or changes in the market
value of the stocks comprising the index in which the Master Portfolio invests.
In managing its cash flows, the Master Portfolio also may use futures contracts
as a substitute for holding the designated securities underlying the futures
contract. A futures contract is an agreement between two parties, a buyer and a
seller, to exchange a particular commodity at a specific price on a specific
date in the future. At the time it enters into a futures transaction, the Master
Portfolio is required to make a performance deposit (initial margin) of cash or
liquid securities in a segregated account in the name of the futures broker.
Subsequent payments of "variation margin" are then made on a daily basis,
depending on the value of the futures position which is continually "marked-to-
market."

  The Master Portfolio may engage only in futures contract transactions
involving (i) the sale of a futures contract (i.e., short positions) to hedge
the value of securities held by the Master Portfolio; (ii) the purchase of a
futures contract when the Master Portfolio holds a short position having the
same delivery month (i.e., a long position offsetting a short position); or
(iii) the purchase of a futures contract to permit the Master Portfolio to, in
effect, participate in the market for the designated securities underlying the

                                       8
<PAGE>
 
futures contract without actually owning such designated securities. When the
Master Portfolio purchases a futures contract, it will create a segregated
account consisting of cash or other liquid assets in an amount equal to the
total market value of such futures contract, less the amount of initial margin
for the contract.

  If the Master Portfolio enters into a short position in a futures contract as
a hedge against anticipated adverse market movements and the market then rises,
the increase in the value of the hedged securities will be offset, in whole or
in part, by a loss on the futures contract. If instead the Master Portfolio
purchases a futures contract as a substitute for investing in the designated
underlying securities, the Master Portfolio experiences gains or losses that
correspond generally to gains or losses in the underlying securities. The latter
type of futures contract transactions permits the Master Portfolio to experience
the results of being fully invested in a particular asset class, while
maintaining the liquidity needed to manage cash flows into or out of the Master
Portfolio (e.g., from purchases and redemptions of Master Portfolio shares).
Under normal market conditions, futures contract positions may be closed out on
a daily basis. The Master Portfolio expects to apply a portion of its cash or
cash equivalents maintained for liquidity needs to such activities.

  Transactions by the Master Portfolio in futures contracts involve certain
risks. One risk in employing futures contracts as a hedge against cash market
price volatility is the possibility that futures prices will correlate
imperfectly with the behavior of the prices of the securities in the Master
Portfolio's investment portfolio (the bond portion of the Master Portfolio will
not be identical to the securities underlying the futures contracts). Similarly,
in employing futures contracts as a substitute for purchasing the designated
underlying securities, there is a risk that the performance of the futures
contract may correlate imperfectly with the performance of the direct
investments for which the futures contract is a substitute. In addition,
commodity exchanges generally limit the amount of fluctuation permitted in
futures contract prices during a single trading day, and the existence of such
limits may prevent the prompt liquidation of futures positions in certain cases.
Limits on price fluctuations are designed to stabilize prices for the benefit of
market participants; however, there could be cases where the Master Portfolio
could incur a larger loss due to the delay in trading than it would have if no
limit rules had been in effect.

  In order to comply with undertakings made by the Master Portfolio pursuant to
Commodity Futures Trading Commission ("CFTC") Regulation 4.5, the Master
Portfolio will use futures and option contracts solely for bona fide hedging
purposes within the meaning and intent of CFTC Reg. 1.3(z); provided, however,
that in addition, with respect to positions in commodity futures or commodity
option contracts which do not come within the meaning and intent of CFTC Reg.
1.3(z), the aggregate initial margin and premiums required to establish such
positions will not exceed five percent of the liquidation value of the Master
Portfolio's portfolio, after taking into account unrealized profits and
unrealized losses on any such contract it has entered into; and provided
further, that in the case of an option that is in-the-money at the time of
purchase, the in-the-money amount as defined in CFTC Reg. 190.01(x) may be
excluded in computing such five percent.

                                   MANAGEMENT

  Directors and Officers. The following information supplements and should be
  ----------------------                                                     
read in conjunction with the Prospectus section entitled "Management of the
Fund."  Directors and officers of the Company, together with information as to
their principal business occupations during the last five years, are shown
below. Each of the Officers and Directors of the Company serve in the identical
capacity as Officers and Trustees of the Trust. The address of each, unless
otherwise indicated, is 111 Center Street, Little Rock, 

                                       9
<PAGE>
 
Arkansas 72201. Directors who are deemed to be an "interested person" of the
Company, as defined in the 1940 Act, are indicated by an asterisk.

<TABLE>
<CAPTION>
                                                            PRINCIPAL OCCUPATIONS
NAME, ADDRESS AND AGE                POSITION               DURING PAST 5 YEARS
- ---------------------              ------------             ----------------------
<S>                                <C>                      <C>
Jack S. Euphrat, 75                Director                 Private Investor.
415 Walsh Road                     
Atherton, CA 94027                 
                                   
*R. Greg Feltus, 46                Director,                Executive Vice President of Stephens Inc.;
                                   Chairman and             President of Stephens Insurance Services
                                   President                Inc.; Senior Vice President of Stephens
                                                            Sports Management Inc.; and President of
                                                            Investors Brokerage Insurance Inc.
                                   
Thomas S. Goho, 55                 Director                 Associate Professor of Finance, Calloway
P.O. Box 7285                                               School of Business and Accounting
Reynolda Station                                            Wake Forest University, since 1982.
Winston-Salem, NC  27109           
                                   
*W. Rodney Hughes, 71              Director                 Private Investor.
31 Dellwood Court                  
San Rafael, CA 94901               
                                   
*J. Tucker Morse, 53               Director                 Chairman of Home Account Network, Inc.;
4 Beaufain Street                                           Real Estate Developer; Chairman
Charleston, SC 29401                                        of Renaissance Properties Ltd.;
                                                            President of Morse Investment
                                                            Corporation; and Co-Managing Partner
                                                            of Main Street Ventures.
                                   
Richard H. Blank, Jr., 41          Chief                    Vice President of Stephens Inc.; Director
                                   Operating                of Stephens Sports Management Inc.;
                                   Officer,                 and Director of Capo Inc.
                                   Secretary and
                                   Treasurer
</TABLE>

                                       10
<PAGE>
 
                               COMPENSATION TABLE
                  For the Fiscal Year Ended February 28, 1998

<TABLE>
<CAPTION>
                                                     TOTAL COMPENSATION
                         AGGREGATE COMPENSATION       FROM REGISTRANT
NAME AND POSITION           FROM REGISTRANT           AND FUND COMPLEX
- -----------------        ----------------------      ------------------
<S>                      <C>                         <C>
Jack S. Euphrat                  $11,250                   $11,250
  Director                                            
*R. Greg Feltus                                       
  Director                             0                         0
Thomas S. Goho                                        
  Director                       $11,250                   $11,250
*Zoe Ann Hines/1/                      0                         0
  Director                                            
*W. Rodney Hughes                $11,000                   $11,000
  Director                                            
                                                      
Robert M. Joses/2/               $ 1,000                   $ 1,000
  Director                                            
*J. Tucker Morse                 $11,000                   $11,000
  Director
</TABLE>
________________
/1/  Zoe Ann Hines retired as of January 28, 1998.
/2/  Robert M. Joses retired as of December 31, 1997.

  Directors of the Company are compensated annually by the Company and by all
the registrants in the fund complex for their services as indicated above and
also are reimbursed for all out-of-pocket expenses relating to attendance at
board meetings. The Company, MIP and Managed Series Investment Trust ("MSIT")
are considered to be members of the same fund complex, as such term is defined
in Form N-1A under the 1940 Act (the "BGFA Fund Complex"). Stagecoach Funds,
Inc., Stagecoach Trust and Life & Annuity Trust together form a separate fund
complex (the "Wells Fargo Fund Complex").  Prior to December 15, 1997, the Wells
Fargo Fund Complex also included Overland Express Funds, Inc. and Master
Investment Trust.  On that date, Overland Express Funds, Inc. was consolidated
with and into Stagecoach Funds, Inc. and Master Investment Trust was dissolved.
Each of the Directors and the Officers of the Company serves in the identical
capacity as Directors/Trustees and Officers of each registered open-end
management investment company in both the BGFA and Wells Fargo Fund Complexes.
The Directors are compensated by other companies and trusts within the fund
complex for their services as Directors/Trustees to such companies and trusts.
Currently the Directors do not receive any retirement benefits or deferred
compensation from the Company or any other member of each fund complex.  As of
the date of this SAI, Directors and officers of the Company as a group
beneficially owned less than 1% of the outstanding shares of the Company.

  Master/Feeder Structure. The Fund seeks to achieve its investment objective by
  -----------------------                                                       
investing all of its assets into the Master Portfolio of MIP. The Fund and other
entities investing in the Master Portfolio are each liable for all obligations
of the Master Portfolio. However, the risk of the Fund incurring financial loss
on account of such liability is limited to circumstances in which both
inadequate insurance existed and the Trust 

                                       11
<PAGE>
 
itself is unable to meet its obligations. Accordingly, the Company's Board of
Directors believes that neither the Fund nor its shareholders will be adversely
affected by investing Fund assets in the Master Portfolio. However, if a mutual
fund or other investor withdraws its investment from the Master Portfolio, the
economic efficiencies (e.g., spreading fixed expenses among a larger asset base)
that the Company's Board believes may be available through investment in the
Master Portfolio may not be fully achieved. In addition, given the relative
novelty of the master/feeder structure, accounting or operational difficulties,
although unlikely, could arise. See "Management of the Fund" in the Prospectus
for additional description of the Fund's and Master Portfolio's expenses and
management.

  The Fund may withdraw its investment in the Master Portfolio only if the
Company's Board of Directors determines that such action is in the best
interests of the Fund and its shareholders. Upon any such withdrawal, the
Company's Board would consider alternative investments, including investing all
of the Fund's assets in another investment company with the same investment
objective as the Fund or hiring an investment adviser to manage the Fund's
assets in accordance with the investment policies described below with respect
to its Master Portfolio.

  The investment objective and other fundamental policies of the Master
Portfolio cannot be changed without approval by the holders of a majority (as
defined in the 1940 Act) of the Master Portfolio's outstanding interests. See
"Investment Objectives and Policies" in the Prospectus. Whenever the Fund, as an
interestholder of the Master Portfolio, is requested to vote on any matter
submitted to interestholders of the Master Portfolio, the Fund will hold a
meeting of its shareholders to consider such matters. The Fund will cast its
votes in proportion to the votes received from its shareholders. Shares for
which the Fund receives no voting instructions will be voted in the same
proportion as the votes received from the other Fund shareholders.

  Certain policies of the Master Portfolio which are non-fundamental may be
changed by vote of a majority of the MIP's Trustees without interestholder
approval. If the Master Portfolio's investment objective or fundamental or non-
fundamental policies are changed, the Fund may elect to change its objective or
policies to correspond to those of the Master Portfolio. The Fund also may elect
to redeem its interests in the Master Portfolio and either seek a new investment
company with a matching objective in which to invest or retain its own
investment adviser to manage the Fund's portfolio in accordance with its
objective. In the latter case, the Fund's inability to find a substitute
investment company in which to invest or equivalent management services could
adversely affect shareholders' investments in the Fund. The Fund will provide
shareholders with 30 days' written notice prior to the implementation of any
change in the investment objective of the Fund or the Master Portfolio, to the
extent possible. See "Investment Objectives and Policies" in the Prospectus for
additional information regarding the Fund's and the Master Portfolio's
investment objectives and policies.

  Investment Adviser. Pursuant to an Investment Advisory Contract with the
  ------------------                                                      
Master Portfolio, BGFA provides investment guidance and policy direction in
connection with the management of the Master Portfolio's assets. Pursuant to the
Advisory Contract, BGFA furnishes to the Trust's Board of Trustees periodic
reports on the investment strategy and performance of the Master Portfolio. BGFA
has agreed to provide to the Master Portfolio, among other things, money market
security and fixed- income research, analysis and statistical and economic data
and information concerning interest rate and security market trends, portfolio
composition, credit conditions and average maturities of the Master Portfolio's
investment portfolio.

  BGFA is entitled to receive monthly fees at the annual rate of 0.35% of the
average daily net assets of the Asset Allocation Portfolio, as compensation for
its advisory services to such Master Portfolio.

                                       12
<PAGE>
 
  The Advisory Contract will continue in effect for more than two years provided
the continuance is approved annually (i) by the holders of a majority of the
Master Portfolio's outstanding voting securities or by the Trust's Board of
Trustees and (ii) by a majority of the Trustees of the Trust who are not parties
to the Advisory Contract or "interested persons" (as defined in the 1940 Act) of
any such party. The Advisory Contract may be terminated on 60 days' written
notice by either party and will terminate automatically if assigned.

  The Advisory Contracts provide that the advisory fee is accrued daily and paid
monthly. BGFA is compensated for its custodial services to the Master Portfolio
and the Fund out of the advisory fee from the Master Portfolio.

  For the period beginning March 1, 1995 and ended December 31, 1995, the Master
Portfolio of the Fund paid to Wells Fargo Bank advisory fees of $997,003,
without waivers.

  For the period beginning January 1, 1996 and ended February 29, 1996 and for
the fiscal years ended February 28, 1997 and February 28, 1998, the Fund's
Master Portfolio paid to BGFA the advisory fees indicated below, without
waivers:

<TABLE>
     1/1/96 - 2/29/96          FYE 2/28/97              FYE 2/28/98
         FEES PAID              FEES PAID                FEES PAID 
         ---------              ---------               -----------
     <S>                       <C>                      <C>        
         $ 225,669             $1,153,951                $1,616,380 
</TABLE>

  Investment Sub-Adviser.  Effective January 1, 1996, the Master Portfolio no
  ----------------------                                                     
longer retained Wells Fargo Nikko Investment Adviser ("WFNIA") as investment
sub-adviser.

  For the period March 1, 1995 and ended December 31, 1995, Wells Fargo Bank
paid to WFNIA sub-advisory fees of $567,009 for services provided to the Master
Portfolio, without waivers:

  Co-Administrators. The Company has engaged Stephens Inc. ("Stephens") and
  -----------------                                                        
Barclays Global Investors, N.A. ("BGI") to provide certain administration
services to the Fund. Pursuant to a Co-Administration Agreement with the
Company, Stephens and BGI provide as administration services, among other
things: (i) general supervision of the operation of the Fund, including
coordination of the services performed by the investment adviser, transfer and
dividend disbursing agent, custodian, shareholder servicing agent, independent
auditors and legal counsel; (ii) general supervision of regulatory compliance
matters, including the compilation of information for documents such as reports
to, and filings with, the SEC and state securities commissions, and preparation
of proxy statements and shareholder reports for the Fund; and (iii) general
supervision relative to the compilation of data required for the preparation of
periodic reports distributed to the Company's officers and Board of Directors.
Stephens also furnishes office space and certain facilities required for
conducting the business of the Company together with those ordinary clerical and
bookkeeping services that are not being furnished by the Fund's investment
adviser. Stephens also pays the compensation of the Company's Directors,
officers and employees who are affiliated with Stephens.

  In addition, except for advisory fees, extraordinary expenses, brokerage and
other expenses connected to the execution of portfolio transactions and certain
expenses which is borne by the Fund, Stephens and BGI have agreed to bear all
costs of the Fund's and the Company's operations including, but not limited to,
transfer and dividend disbursing agency fees, shareholder servicing fees and
expenses of preparing and printing prospectuses, SAIs and other Fund materials.
For providing such services, Stephens and BGI are entitled to 0.40% of the
average daily net assets of the Asset Allocation Fund.  Effective 

                                       13
<PAGE>
 
October 21, 1996, BGI contracted with Investors Bank & Trust Company ("IBT") to
provide certain sub-administration services. Prior to October 21, 1996, Stephens
served as sole administrator to the Fund.

  For the fiscal years ended February 29, 1996 and February 28, 1997, the Fund
paid administration and co-administration fees to Stephens as follows:

<TABLE>                                 
<CAPTION>                               
                                                  
          FYE 2/29/96                  FYE 2/28/97
          -----------                  -----------
          <S>                          <C>        
            $349,680                     $572,552  
</TABLE>

  For the period beginning October 21, 1996 and ended February 28, 1997, the
Fund paid co-administration fees to BGI of $337,801.

  For the fiscal year ended February 28, 1998, the Fund paid co-administration
fees jointly to Stephens and BGI of $1,844,243.

  Distributor.  Stephens acts as the exclusive distributor of the Fund's shares
  -----------                                                                  
pursuant to an Amended and Restated Distribution Agreement (the "Distribution
Agreement") with the Company on behalf of the Fund. Shares are sold on a
continuous basis by Stephens as agent, although Stephens is not obligated to
sell any particular amount of shares. No compensation is payable by the Company
to Stephens for its distribution services. The term and termination provisions
of the Distribution Agreement are substantially similar to those of the
Agreement with the Adviser discussed above.

  Shareholder Servicing Plan. The Fund has adopted a Shareholder Servicing Plan
  --------------------------                                                   
(each a "Servicing Plan" and collectively the "Servicing Plans").  Under each
Servicing Plan and pursuant to each Servicing Agreement, the Fund may pay one or
more servicing agents, as compensation for performing certain services, monthly
fees at the annual rate of up to 0.20% of the average daily net assets of the
Asset Allocation Fund. Payments to a servicing agent by the Fund will be based
upon the average daily net assets of the shares of the Fund owned of record by
the servicing agent on behalf of customers, or by its customers directly, during
the period for which payment is made.

  The Servicing Plans will continue in effect from year to year if such
continuance is approved by a majority vote of both the Directors of the Company
and the Servicing Plan Qualified Directors. The Servicing Agreement may be
terminated automatically if assigned, or may be terminated at any time not more
than 60 days' nor less than 30 day's after notice, by a vote of a majority of
the Disinterested Directors or by a vote of the majority of the outstanding
voting securities of the Shares of the Fund of the Company or the affected Fund.
The Servicing Plans may not be amended to increase materially the amount payable
thereunder without the approval of a majority of the Company's Board of
Directors, including a majority of the Disinterested Directors cast at a meeting
called for that specific purpose.

  The Servicing Plans require that the servicing agent shall provide to the
Treasurer of the Company, at least quarterly, a written report of the amounts
expended by the servicing agent (and purposes therefor) under each Servicing
Plan, and shall provide to the Company's Board of Directors such information as
may reasonably be necessary to an informed determination of whether the
Agreement shall be implemented or continued.

                                       14
<PAGE>
 
  For the fiscal year ended February 28, 1997/1/ the Fund paid shareholder
servicing fees as follows and the indicated amounts were waived:

<TABLE>
<CAPTION>
                     FEES             FEES   
                     PAID            WAIVED 
                     ----            ------ 
                   <S>               <C>    
                   $555,606            $0    
</TABLE>
________________
/1/  Beginning October 21, 1996, shareholder servicing fees were paid out of co-
administration fees.

  Custodian.  IBT, concurrent with its appointment as sub-administrator for the
  ---------                                                                    
Fund on October 21, 1996, also has been retained as custodian to the Fund and
Master Portfolio and performs such services at 200 Clarendon Street, Boston,
Massachusetts 02116. The custodian, among other things, maintains a custody
account or accounts in the name of the Fund; receives and delivers all assets
for the Fund upon purchase and upon sale or maturity; collects and receives all
income and other payments and distributions on account of the assets of the Fund
and pays all expenses of the Fund. IBT is not entitled to receive compensation
for its services as custodian so long as it is entitled to receive fees from BGI
for providing sub-administration services to the Fund.  Prior to October 21,
1996, BGI served as custodian to the Fund and was not entitled to receive a fee.
For the fiscal year ended February 28, 1998, the Fund did not pay any custody
fees.

  Transfer and Dividend Disbursing Agent.  IBT has been retained to act as the
  --------------------------------------                                      
transfer and dividend disbursing agent for the Fund.  For its services as
transfer and dividend disbursing agent to the Fund, IBT is entitled to receive
an annual maintenance fee computed on the basis of the number of shareholder
accounts that it maintains for the Fund and to be reimbursed for out-of-pocket
expenses or advances incurred by it in performing its obligations under the
agreement.  The annual maintenance fee is paid as follows:

<TABLE>
<CAPTION>
                                                  ANNUAL FEE
                                                  ----------
           <S>                              <C> 
           Up to 200 accounts/*/            $6,000 per feeder/class
           From 201 to 250 accounts         $8,500 per feeder/class
           Over 250 accounts                $10,000 per feeder/class
</TABLE>

_______________
/*/ Defined as each account that is set up for an individual or plan sponsor on
a fund by fund basis.

  In addition, the agreement contemplates that IBT will be reimbursed for other
expenses incurred by it at the request or with the written consent of the Fund,
including, without limitation, any equipment or supplies which the Company
specifically orders or requires IBT to order.

  Prior to March 2, 1998, Wells Fargo Bank served as transfer and dividend
disbursing agent to the Fund, and was entitled to receive a monthly fee at an
annual rate of 0.10% of the average daily net assets of the Asset Allocation
Fund for such services.

                       PURCHASE AND REDEMPTION OF SHARES

  Terms of Purchase. The Fund is generally open Monday through Friday and is
  -----------------                                                         
closed on weekends and NYSE holidays.  The holidays on which the NYSE is closed
currently are: New Year's Day, Martin Luther King, Jr.'s. Birthday, Presidents'
Day, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day
and Christmas Day. The Company reserves the right to reject any purchase order
and to change the amount of the minimum investment and subsequent purchases in
the Fund.

                                       15
<PAGE>
 
  Payment for shares of the Fund may, at the discretion of the adviser, be made
in the form of securities that are permissible investments for the Fund and must
meet the investment objective, policies and limitations of the Fund as described
in the Prospectus.  In connection with an in-kind securities payment, the Fund
may require, among other things, that the securities (i) be valued on the day of
purchase in accordance with the pricing methods used by the Fund; (ii) are
accompanied by satisfactory assurance that the Fund will have good and
marketable title to such securities received by it; (iii) are not subject to any
restrictions upon resale by the Fund; (iv) be in proper form for transfer to the
Fund; (v) are accompanied by adequate information concerning the basis and other
tax matters relating to the securities.  All dividends, interest, subscription
or other rights pertaining to such securities shall become the property of the
Fund engaged in the in-kind purchase transaction and must be delivered to such
Fund by the investor upon receipt from the issuer.  Securities acquired through
an in-kind purchase will be acquired for investment and not for immediate
resale.  Shares purchased in exchange for securities generally cannot be
redeemed until the transfer has settled.  The Fund immediately will transfer to
its Master Portfolio any and all securities received by it in connection with an
in-kind purchase transaction, in exchange for interests in the Master Portfolio.

  Suspension of Redemptions.  Under the 1940 Act, a Fund may suspend the right
  -------------------------                                                   
of redemption or postpone the date of payment upon redemption for any period
during which the NYSE is closed (other than customary weekend and holiday
closings, or during which trading is restricted, or during which as determined
by the SEC by rule or regulation) an emergency exists as a result of which
disposal or valuation of portfolio securities is not reasonably practicable, or
for such periods as the SEC may permit.

  The Company may suspend redemption rights or postpone redemption payments for
such periods as are permitted under the 1940 Act. The Company also may redeem
shares involuntarily or make payment for redemption in securities or other
property if it appears appropriate to do so in light of the Company's
responsibilities under the 1940 Act.

  In addition, the Company may redeem shares involuntarily to reimburse the Fund
for any losses sustained by reason of the failure of a shareholder to make full
payment for shares purchased or to collect any charge relating to a transaction
effected for the benefit of a shareholder which is applicable to shares of the
Fund as provided from time to time in the Prospectus.

                        DETERMINATION OF NET ASSET VALUE

  Net asset value per share for the Fund is determined on each day the Fund is
open for trading. The Fund's investment in the Master Portfolio is valued at the
net asset value of the Master Portfolio's shares.

  Because the Master Portfolio is closed on certain days when the NYSE is open
for business, shareholders would not be able to redeem their shares on certain
days when there may be significant changes in the value of the Master
Portfolio's portfolio securities.

  Master Portfolio securities for which market quotations are available are
valued at latest prices. Securities of the Master Portfolio for which the
primary market is a national securities exchange or the National Association of
Securities Dealers Automated Quotations National Market System are valued at
last sale prices. In the absence of any sale of such securities on the valuation
date and in the case of other securities, including U.S. Government securities
but excluding money market instruments maturing in 60 days or less, the
valuations are based on latest quoted bid prices. Money market instruments
maturing in 60 days or less are valued at amortized cost with cost being the
value of the security on the preceding day 

                                       16
<PAGE>
 
(61st day). Futures contracts will be marked to market daily at their respective
settlement prices determined by the relevant exchange. Options listed on a
national exchange are valued at the last sale price on the exchange on which
they are traded at the close of the NYSE, or, in the absence of any sale on the
valuation date, at latest quoted bid prices. Options not listed on a national
exchange are valued at latest quoted bid prices. Debt securities maturing in 60
days or less are valued at amortized cost. In all cases, bid prices will be
furnished by an independent pricing service approved by the Board of Trustees.
Prices provided by an independent pricing service may be determined without
exclusive reliance on quoted prices and may take into account appropriate
factors such as institutional-size trading in similar groups of securities,
yield, quality, coupon rate, maturity, type of issue, trading characteristics
and other market data. Securities held under a repurchase agreement will be
valued at a price equal to the amount of the cash investment at the time of
valuation on the valuation date. The market value of the underlying securities
shall be determined in accordance with the applicable procedures, as described
above, for the purpose of determining the adequacy of collateral. All other
securities and other assets of the Fund for which current market quotations are
not readily available are valued at fair value as determined in good faith by
MIP's Board of Trustees and in accordance with procedures adopted by the
Trustees.

                                     TAXES

  The following information supplements and should be read in conjunction with
the Prospectus section entitled "Taxes." The Prospectus describes generally the
tax treatment of distributions by the Fund. This section of the SAI includes
additional information concerning income taxes.

  General.  The Company intends to qualify the Fund as a regulated investment
  -------                                                                    
company under Subchapter M of the Internal Revenue Code of 1986, as amended (the
"Code"), as long as such qualification is in the best interest of the Fund's
shareholders.  The Fund will be treated as a separate entity for tax purposes
and thus the provisions of the Code applicable to regulated investment companies
will generally be applied individually to the Fund, rather than to the Company
as a whole.  Accordingly, net capital gain, net investment income, and operating
expenses will be determined separately for the Fund.  As a regulated investment
company, the Fund will not be taxed on its net investment income and capital
gains distributed to its shareholders.

  Qualification as a regulated investment company under the Code requires, among
other things, that (a) the Fund derive at least 90% of its annual gross income
from dividends, interest, certain payments with respect to securities loans,
gains from the sale or other disposition of stock or securities or foreign
currencies (to the extent such currency gains are directly related to the
regulated investment company's principal business of investing in stock or
securities) and other income (including but not limited to gains from options,
futures or forward contracts) derived with respect to its business of investing
in such stock, securities or currencies; and (b) the Fund diversify its holdings
so that, at the end of each quarter of the taxable year, (i) at least 50% of the
market value of the Fund's assets is represented by cash, government securities
and other securities limited in respect of any one issuer to an amount not
greater than 5% of the Fund's assets and 10% of the outstanding voting
securities of such issuer, and (ii) not more than 25% of the value of its assets
is invested in the securities of any one issuer (other than U.S. Government
obligations and the securities of other regulated investment companies), or in
two or more issuers which the Fund controls and which are determined to be
engaged in the same or similar trades or businesses.

  The Fund must also distribute or be deemed to distribute to its shareholders
at least 90% of its net investment income(which, for this purpose includes net
short-term capital gains) earned in each taxable year. In general, these
distributions must actually or be deemed to be made in the taxable year.
However, in certain circumstances, such distributions may be made in the 12
months following the taxable year.

                                       17
<PAGE>
 
The Fund intends to pay out substantially all of its net investment income and
net realized capital gains (if any) for each year.

  In addition, a regulated investment company must, in general, derive less
than 30% of its gross income for a taxable year from the sale or other
disposition of securities or options thereon held for less than three months.
However, this restriction has been repealed with respect to a regulated
investment company's taxable years beginning after August 5, 1997.

  The Fund seeks to qualify as a regulated investment company by investing
substantially all of its assets in the Master Portfolio.  Under the Code, the
Master Portfolio will be treated as a non-publicly traded partnership rather
than as a regulated investment company or a corporation.  As a non-publicly
traded partnership, any interest, dividends, gains and losses of the Master
Portfolio shall be deemed to have been "passed through" to the Fund (and the
Master Portfolio's other investors) in proportion to the Fund's ownership
interest in the Master Portfolio.  Therefore, to the extent that the Master
Portfolio was to accrue but not distribute any interest, dividends or gains, the
Fund would be deemed to have realized and recognized its proportionate share of
interest, dividends or gains without receipt of any corresponding distribution.
However, the Master Portfolio will seek to minimize recognition by its investors
(such as a Fund) of interest, dividends, gains or losses without a corresponding
distribution.

  Excise Tax.  A 4% nondeductible excise tax will be imposed on the Fund
  ----------                                                            
(other than to the extent of its tax-exempt interest income) to the extent it
does not meet certain minimum distribution requirements by the end of each
calendar year.  The Fund intends to actually or be deemed to distribute
substantially all of its net investment income and net capital gains by the end
of each calendar year and, thus, expects not to be subject to the excise tax.

  Taxation of Master Portfolio Investments.  Except as otherwise provided
  ----------------------------------------                               
herein, gains and losses realized by the Master Portfolio on the sale of
portfolio securities generally will be capital gains and losses.  Such gains and
losses ordinarily will be long-term capital gains and losses if the securities
have been held by the Master Portfolio for more than one year at the time of
disposition of the securities.

  Gains recognized on the disposition of a debt obligation (including tax-exempt
obligations purchased after April 30, 1993) purchased by the Master Portfolio at
a market discount (generally at a price less than its principal amount) will be
treated as ordinary income to the extent of the portion of market discount which
accrued, but was not previously recognized pursuant to an available election,
during the term the Master Portfolio held the debt obligation.

  If an option granted by the Master Portfolio lapses or is terminated through a
closing transaction, such as a repurchase by the Master Portfolio of the option
from its holder, the Master Portfolio will realize a short-term capital gain or
loss, depending on whether the premium income is greater or less than the amount
paid by the Master Portfolio in the closing transaction. Some realized capital
losses may be deferred if they result from a position which is part of a
"straddle," discussed below. If securities are sold by the Master Portfolio
pursuant to the exercise of a call option granted by it, the Master Portfolio
will add the premium received to the sale price of the securities delivered in
determining the amount of gain or loss on the sale.

  Under Section 1256 of the Code, the Master Portfolio will be required to "mark
to market" its positions in "Section 1256 contracts," which generally include
regulated futures contracts and listed non-equity options. In this regard,
Section 1256 contracts will be deemed to have been sold at market value.

                                       18
<PAGE>
 
Under Section 1256 of the Code, sixty percent (60%) of any net gain or loss
realized on all dispositions of Section 1256 contracts, including deemed
dispositions under the mark-to-market regime, will generally be treated as long-
term capital gain or loss, and the remaining forty percent (40%) will be treated
as short-term capital gain or loss.  Transactions that qualify as designated
hedges are excepted from the mark-to-market and 60%/40% rules.

  Under Section 988 of the Code, the Master Portfolio will generally recognize
ordinary income or loss to the extent gain or loss realized on the disposition
of portfolio securities is attributable to changes in foreign currency exchange
rates. In addition, gain or loss realized on the disposition of a foreign
currency forward contract, futures contract, option or similar financial
instrument, or of foreign currency itself, will generally be treated as ordinary
income or loss. The Master Portfolio will attempt to monitor Section 988
transactions, where applicable, to avoid adverse federal income tax impact to
the Fund and its shareholders.

  Offsetting positions held by a regulated investment company involving certain
financial forward, futures or options contracts may be considered, for tax
purposes, to constitute "straddles." "Straddles" are defined to include
"offsetting positions" in actively traded personal property. The tax treatment
of "straddles" is governed by Section 1092 of the Code which, in certain
circumstances, overrides or modifies the provisions of Section 1256 of the Code,
described above. If a regulated investment company were treated as entering into
"straddles" by engaging in certain financial forward, futures or option
contracts, such straddles could be characterized as "mixed straddles" if the
futures, forwards, or options comprising a part of such straddles were governed
by Section 1256 of the Code. The regulated investment company may make one or
more elections with respect to "mixed straddles." Depending upon which election
is made, if any, the results with respect to the regulated investment company
may differ. Generally, to the extent the straddle rules apply to positions
established by a regulated investment company, losses realized by the regulated
investment company may be deferred to the extent of unrealized gain in any
offsetting positions. Moreover, as a result of the straddle and the conversion
transaction rules, short-term capital loss on straddle positions may be
recharacterized as long-term capital loss, and long-term capital gain may be
characterized as short-term capital gain or ordinary income.

  If the Master Portfolio enters into a "constructive sale" of any appreciated
position in stock, a partnership interest, or certain debt instruments, the
Master Portfolio must recognize gain (but not loss) with respect to that
position. For this purpose, a constructive sale occurs when the Master Portfolio
enters into one of the following transactions with respect to the same or
substantially identical property: (i) a short sale; (ii) an offsetting notional
principal contract; (iii) a futures or forward contract, or (iv) other
transactions identified in future Treasury Regulations.

  If the Master Portfolio purchases shares in a "passive foreign investment
company" ("PFIC"), the Master Portfolio may be subject to federal income tax and
an interest charge imposed by the Internal Revenue Service ("IRS") upon certain
distributions from the PFIC or the Master Portfolio's disposition of its PFIC
shares.  If the Master Portfolio invests in a PFIC, the Master Portfolio intends
to make an available election to mark-to-market its interest in PFIC shares.
Under the election, the Master Portfolio will be treated as recognizing at the
end of each taxable year the difference, if any, between the fair market value
of its interest in the PFIC shares and its basis in such shares.  In some
circumstances, the recognition of loss may be suspended.  The Master Portfolio
will adjust its basis in the PFIC shares by the amount of income (or loss)
recognized.  Although such income (or loss) will be taxable to the Master
Portfolio as ordinary income (or loss) notwithstanding any distributions by the
PFIC, the Master Portfolio will not be subject to federal income tax or the
interest charge with respect to its interest in the PFIC, if it makes the
available election.

                                       19
<PAGE>
 
  Foreign Taxes.   Income and dividends received by the Fund (through the
  -------------                                                          
Master Portfolio) from foreign securities and gains realized by the Fund on the
disposition of foreign securities may be subject to withholding and other taxes
imposed by foreign countries.  Tax conventions between certain countries and the
United States may reduce or eliminate such taxes.  Although in some
circumstances a regulated investment company can elect to "pass through" foreign
tax credits to its shareholders, the Fund does not expect to be eligible to make
such an election.

  Capital Gain Distributions.  Distributions which are designated by the Fund
  --------------------------                                                 
as capital gain distributions will be taxed to shareholders as long-term capital
gain (to the extent such dividends do not exceed the Fund's actual net capital
gain for the taxable year), regardless of how long a shareholder has held Fund
shares.  Such distributions will be designated as capital gain distributions in
a written notice mailed by the Fund to its shareholders not later than 60 days
after the close of the Fund's taxable year.

  The Taxpayer Relief Act of 1997 (the "1997 Act") created several new
categories of capital gains applicable to noncorporate taxpayers. Under prior
law, noncorporate taxpayers generally were taxed at a maximum rate of 28% on net
capital gain (generally, the excess of net long-term capital gain over net 
short-term capital loss). Noncorporate taxpayers generally are now taxed at a
maximum rate of 20% on net capital gain attributable to gains realized on the
sale of property held for greater than 18 months, and a maximum rate of 28% on
net capital gain attributable to gain realized on the sale of property held for
greater than one year and not more than 18 months, and a maximum rate of 25% for
certain gains attributable to the sale of real property. The 1997 Act retains
the treatment of short term capital gain or loss (generally, gain or loss
attributable to capital assets held for 1 year or less) and did not affect the
taxation of capital gains in the hands of corporate taxpayers.

  Under the 1997 Act, the Treasury is authorized to issue regulations for
application of the reduced capital gains tax rates to pass-through entities,
including regulated investment companies, such as the Fund.  The IRS has
published a notice applicable to pass-through entities until regulations are
promulgated.  Pursuant to the notice, the Fund is permitted (but not required)
to designate the portion of its capital gain distributions, if any, to which the
28%, 25% and 20% rates described in the preceding paragraph apply, based on the
net amount of each class of capital gain realized by the Fund determined as if
the Fund is a noncorporate taxpayer.  Noncorporate shareholders of the Fund may
therefore qualify for the reduced rate of tax on capital gain distributions paid
by the Fund.

  Disposition of Fund Shares.  A disposition of Fund shares pursuant to
     --------------------------                                           
redemption (including a redemption in-kind) or exchanges ordinarily will result
in a taxable capital gain or loss, depending on the amount received for the
shares (or are deemed to receive in the case of an exchange) and the cost of the
shares.

  If a shareholder exchanges or otherwise disposes of Fund shares within 90 days
of having acquired such shares and if, as a result of having acquired those
shares, the shareholder subsequently pays a reduced sales charge on a new
purchase of shares of the Fund or a different regulated investment company, the
sales charge previously incurred acquiring the Fund's shares shall not be taken
into account (to the extent such previous sales charges do not exceed the
reduction in sales charges on the new purchase) for the purpose of determining
the amount of gain or loss on the disposition, but will be treated as having
been incurred in the acquisition of such other shares. Also, any loss realized
on a redemption or exchange of shares of the Fund will be disallowed to the
extent that substantially identical shares are acquired within the 61-day period
beginning 30 days before and ending 30 days after the shares are disposed of.

                                       20
<PAGE>
 
  If a shareholder receives a designated capital gain distribution (to be
treated by the shareholder as long-term capital gain) with respect to any Fund
share and such Fund share is held for six months or less, then (unless otherwise
disallowed) any loss on the sale or exchange of that Fund share will be treated
as long-term capital loss to the extent of the designated capital gain
distribution. This loss disallowance rule does not apply to losses realized
under a periodic redemption plan.

  Federal Income Tax Rates.  As of the printing of this SAI, the maximum
  ------------------------                                              
individual tax rate applicable to ordinary income is 39.6% (marginal tax rates
may be higher for some individuals to reduce or eliminate the benefit of
exemptions and deductions); the maximum individual marginal tax rate applicable
to net capital gain is 28% (however, see "Capital Gain Distributions" above);
and the maximum corporate tax rate applicable to ordinary income and net capital
gain is 35% (marginal tax rates may be higher for some corporations to reduce or
eliminate the benefit of lower marginal income tax rates).  Obviously, the
amount of tax payable by any taxpayer will be affected by a combination of tax
laws covering, for example, deductions, credits, deferrals, exemptions, sources
of income and other matters.

  Backup Withholding.  The Company may be required to withhold, subject to
  ------------------                                                      
certain exemptions, at a rate of 31% ("backup withholding") on dividends,
capital gain distributions, and redemption proceeds (including proceeds from
exchanges and redemptions in-kind) paid or credited to an individual Fund
shareholder, unless the shareholder certifies that his or her taxpayer
identification number ("TIN"), which usually is his or her social security
number, provided to the Company is correct and that the shareholder is not
subject to backup withholding, or the IRS notifies the Company that the
shareholder's TIN is incorrect or that the shareholder is subject to backup
withholding.  Such tax withheld does not constitute any additional tax imposed
on the shareholder, and may be claimed as a credit against the shareholder's
federal income tax liability, if any, or otherwise will be refundable. An
investor must provide a valid TIN to the Company upon opening or reopening an
account.  Failure to furnish a valid TIN to the Company could also subject the
investor to penalties imposed by the IRS.  Foreign shareholders of the Fund
(described below) generally are not subject to backup withholding.

  Corporate Shareholders.  Corporate shareholders of the Fund may be eligible
  ----------------------                                                     
for the dividends-received deduction on dividends distributed out of the Fund's
net investment income attributable to dividends received from domestic
corporations, which, if received directly by the corporate shareholder, would
qualify for such deduction.  A distribution by the Fund attributable to
dividends of a domestic corporation will only qualify for the dividends-received
deduction if (i) the corporate shareholder generally holds the Fund shares upon
which the distribution is made for at least 46 days during the 90 day period
beginning 45 days prior to the date upon which the shareholder becomes entitled
to the distribution; and (ii) the Fund generally holds the shares of the
domestic corporation producing the dividend income for at least 46 days during
the 90 day period beginning 45 days prior to the date upon which the Fund
becomes entitled to such dividend income.

  Foreign Shareholders.  Under the Code, distributions of net investment
  --------------------                                                  
income by the Fund to a nonresident alien individual, foreign trust (i.e., trust
which a U.S. court is able to exercise primary supervision over administration
of that trust and one or more U.S. persons have authority to control substantial
decisions of that trust), foreign estate (i.e., the income of which is not
subject to U.S. tax regardless of source), foreign corporation, or foreign
partnership (a "foreign shareholder") will be subject to federal income tax
withholding (at a rate of 30% or a lower treaty rate, if applicable).
Withholding will not apply if a dividend distribution paid by the Fund to a
foreign shareholder is "effectively connected" with a U.S. trade or business
(or, if an income tax treaty applies, is attributable to a U.S. permanent
establishment of the foreign shareholder), in which case the reporting and
withholding requirements 

                                       21
<PAGE>
 
applicable to U.S. residents will apply. Distributions of net capital gain
generally are not subject to federal income tax withholding.

  New Regulations.  On October 6, 1997, the Treasury Department issued new
  ---------------                                                         
regulations (the "New Regulations") which make certain modifications to the
backup withholding, U.S. income tax withholding and information reporting rules
applicable to foreign shareholders.  The New Regulations generally will be
effective for payments made after December 31, 1999, subject to certain
transition rules.  Among other things, the New Regulations will permit the Fund
to estimate the portion of its distributions paid to foreign shareholders which
is subject to federal income tax withholding.  Prospective investors are urged
to consult their own tax advisors regarding the application to them of the New
Regulations.

  Other Matters.  Investors should be aware that the investments to be made
  -------------                                                            
by  the Fund may involve sophisticated tax rules that may result in income or
gain recognition by the Fund without corresponding current cash receipts.
Although the Fund will seek to avoid significant noncash income, such noncash
income could be recognized by the Fund, in which case the Fund may distribute
cash derived from other sources in order to meet the minimum distribution
requirements described above.

  The foregoing discussion and the discussions in the Prospectus applicable
to each shareholder address only some of the federal income tax considerations
generally affecting investments in the Fund.  Each investor is urged to consult
his or her tax advisor regarding specific questions as to federal, state, local
and foreign taxes.

                            PERFORMANCE INFORMATION

  As indicated in the Prospectus, the Fund may advertise certain total return
information computed in the manner described in the Prospectus. As and to the
extent required by the SEC, an average annual compound rate of return ("T") will
be computed by using the value at the end of a specified period ("ERV") of a
hypothetical initial investment ("P") over a period of years ("n") according to
the following formula: P(1+T)/n/ = ERV. In addition, as indicated in the
Prospectus, the Fund, at times, also may calculate total return based on net
asset value per share (rather than the public offering price) in which case the
figures would not reflect the effect of any sales charge that would have been
paid by an investor, or based on the assumption that a sales charge other than
the maximum sales charge (reflecting a Volume Discount) was assessed provided
that total return data derived pursuant to the calculation described above also
are presented.

  The average annual total returns on the Fund from July 2, 1993 (commencement
of operations) to February 28, 1998 and for the fiscal year ended February 28,
1998 was as follows:/1/

<TABLE>
                 COMMENCEMENT
                   THROUGH              
                   2/28/98            FYE 2/28/98
                 ------------         -----------
                 <S>                  <C> 
                     ----                 ----
</TABLE>
________________
/1/  The performance of Class R shares has been calculated based on the
performance information for the Class I shares adjusted to reflect Class R
shares fees and expenses.

  The cumulative total returns on the Fund from July 2, 1993 (commencement of
operations) to February 28, 1998 was [__%].  The performance of Class R shares
has been calculated based on the performance information for the Class I shares
adjusted to reflect Class R shares fees and expenses.

                                       22
<PAGE>
 
  As indicated in the Prospectus, the Asset Allocation Fund may advertise
certain yield information. As, and to the extent required by the SEC, yield will
be calculated based on a 30-day (or one-month) period, computed by dividing the
net investment income per share earned during the period by the maximum offering
price per share on the last day of the period, according to the following
formula: YIELD = 2[(((a-b)/cd)+1)6-1], where a = dividends and interest earned
during the period; b = expenses accrued for the period (net of reimbursements);
c = the average daily number of shares outstanding during the period that were
entitled to receive dividends; and d = the maximum offering price per share on
the last day of the period. The net investment income of the Fund includes
actual interest income, plus or minus amortized purchase discount (which may
include original issue discount) or premium, less accrued expenses. Realized and
unrealized gains and losses on portfolio securities are not included in the
Fund's net investment income. For purposes of sales literature, yield also may
be calculated on the basis of the net asset value per share rather than public
offering price, provided that the yield data derived pursuant to the calculation
described above also are presented.

  Generally. The yield for the Fund fluctuates from time to time, unlike bank
  ---------                                                                  
deposits or other investments that pay a fixed yield for a stated period of
time, and does not provide a basis for determining future yields since it is
based on historical data. Yield is a function of portfolio quality, composition,
maturity and market conditions as well as the expenses allocated to the Fund.

  Yield information for the Fund may be useful in reviewing the performance of
the Fund and for providing a basis for comparison with investment alternatives.
The Fund's yield, however, may not be comparable to the yields from investment
alternatives because of differences in the foregoing variables and differences
in the methods used to value portfolio securities, compute expenses and
calculate yield.

  In addition, investors should recognize that changes in the net asset values
of shares of the Fund affect the yield of such Fund for any specified period,
and such changes should be considered together with the Fund's yield in
ascertaining the Fund's total return to shareholders for the period. Yield
information for the Fund may be useful in reviewing the performance of the Fund
and for providing a basis for comparison with investment alternatives. The yield
of the Fund, however, may not be comparable to the yields from investment
alternatives because of differences in the foregoing variables and differences
in the methods used to value portfolio securities, compute expenses and
calculate yield.

  Performance Comparisons. From time to time and only to the extent the
  -----------------------                                              
comparison is appropriate for the Fund, the Company may quote the performance of
the Fund in advertising and other types of literature and may compare the
performance of the Fund to the performance of various indices and investments
for which reliable performance data is available.  The performance of the Fund
may be compared in advertising and other literature to averages, performance
rankings and other information prepared by recognized mutual fund statistical
services.

  Performance information for the Asset Allocation Fund may be compared, in
reports and promotional literature, to the S&P 500 Index, the Wilshire 5000
Equity Index, the Lehman Brothers 20+ Treasury Index, Donoghue's Money Fund
Averages, the Lehman Brothers 5-7 Year Treasury Index, Lehman Brothers
Government Bond Index, Lehman Brothers Treasury Bond Index, Lipper Balanced Fund
Average, Lipper Growth Fund Average, Lipper Flexible Portfolio Fund Average,
Lehman Brothers Intermediate Treasury Index, 91-Day Treasury Bill Average, or
other appropriate managed or unmanaged indices of the performance of various
types of investments, so that investors may compare the Fund's results with
those of indices widely regarded by investors as representative of the security
markets in general. Unmanaged indices may assume the reinvestment of dividends,
but generally do not reflect 

                                       23
<PAGE>
 
deductions for administrative and management costs and expenses. Managed indices
generally do reflect such deductions.

  The Company also may use the following information in advertisements and other
types of literature, only to the extent the information is appropriate for the
Fund: (i) the Consumer Price Index may be used to assess the real rate of return
from an investment in the Fund; (ii) other government statistics, including, but
not limited to, The Survey of Current Business, may be used to illustrate
investment attributes of the Fund or the general economic, business, investment,
or financial environment in which the Fund operates; (iii) the effect of tax-
deferred compounding on the investment returns of the Fund, or on returns in
general, may be illustrated by graphs, charts, etc., where such graphs or charts
would compare, at various points in time, the return from an investment in the
Fund (or returns in general) on a tax-deferred basis (assuming reinvestment of
capital gains and dividends and assuming one or more tax rates) with the return
on a taxable basis; and (iv) the sectors or industries in which the Fund invests
may be compared to relevant indices of stocks or surveys (e.g., S&P Industry
Surveys) to evaluate the Fund's historical performance or current or potential
value with respect to the particular industry or sector.

  In addition, the Company also may use, in advertisements and other types of
literature, information and statements: (1) showing that bank savings accounts
offer a guaranteed return of principal and a fixed rate of interest, but no
opportunity for capital growth; and (2) describing BGFA, and its affiliates and
predecessors, as one of the first investment managers to advise investment
accounts using asset allocation and index strategies. The Company also may
include in advertising and other types of literature information and other data
from reports and studies prepared by the Tax Foundation, including information
regarding federal and state tax levels and the related "Tax Freedom Day." The
Company also may disclose in advertising and other types of sales literature the
assets and categories of assets under management by the Master Portfolio's
investment adviser, sub-investment adviser or its affiliates.

  The Fund's performance also may be compared to those of other mutual funds
having similar objectives. This comparative performance could be expressed as a
ranking prepared by Lipper Analytical Services, Inc., (including the Lipper
General Bond Fund Average, the Lipper Intermediate Investment Grade Debt Fund
Average, the Lipper Bond Fund Average, the Lipper Growth Fund Average, the
Lipper Flexible Fund Average), Donoghue's Money Fund Report, including
Donoghue's Taxable Money Market Fund Average or Morningstar, Inc., independent
services which monitor the performance of mutual funds. The Fund's performance
will be calculated by relating net asset value per share at the beginning of a
stated period to the net asset value of the investment, assuming reinvestment of
all gains distributions and dividends paid, at the end of the period. Any such
comparisons may be useful to investors who wish to compare the Fund's past
performance with that of its competitors. Of course, past performance cannot be
a guarantee of future results.

  Other Advertising Items. From time to time, the Company also may include in
  -----------------------                                                    
advertisements or other marketing materials a discussion of certain of the
objectives of the investment strategy of the Asset Allocation Fund and a
comparison of this strategy with other investment strategies. In particular, the
responsiveness of the Fund to changing market conditions may be discussed. For
example, the Company may describe the benefits derived by having BGFA, as
investment adviser, monitor and reallocate investments among the three asset
categories described in the Fund's Prospectus. The Company's advertising or
other marketing materials also might set forth illustrations depicting examples
of recommended allocations in different market conditions.

  The Company also may discuss in advertising and other types of literature that
the Fund has been assigned a rating by a nationally recognized statistical
rating organization ("NRSRO"), such as Standard 

                                       24
<PAGE>
 
& Poor's Corporation. Such rating would assess the creditworthiness of the
investments held by the Fund. The assigned rating would not be a recommendation
to purchase, sell or hold the Fund's shares since the rating would not comment
on the market price of the Fund's shares or the suitability of the Fund for a
particular investor. In addition, the assigned rating would be subject to
change, suspension or withdrawal as a result of changes in, or unavailability
of, information relating to the Fund or its investments. The Company may compare
the Fund's performance with other investments which are assigned ratings by
NRSROs. Any such comparisons may be useful to investors who wish to compare the
Fund's past performance with other rated investments. Of course past performance
cannot be a guarantee of future results. The Company also may include from time
to time, a reference to certain marketing approaches of the Distributor,
including, for example, a reference to a potential shareholder being contacted
by a selected broker or dealer. General mutual fund statistics provided by the
Investment Company Institute may also be used.

                             PORTFOLIO TRANSACTIONS

  Since the Fund invests all of its assets in a Master Portfolio of MIP, set
forth below is a description of the Master Portfolio's policies governing
portfolio securities transactions.

  Purchases and sales of equity securities on a securities exchange usually are
effected through brokers who charge a negotiated commission for their services.
Commission rates are established pursuant to negotiations with the broker based
on the quality and quantity of execution services provided by the broker in
light of generally prevailing rates. Orders may be directed to any broker
including, to the extent and in the manner permitted by applicable law, Stephens
or Barclays Global Investors Services. In the over- the-counter-market,
securities are generally traded on a "net" basis with dealers acting as
principal for their own accounts without a stated commission, although the price
of the security usually includes a profit to the dealer. In underwritten
offerings, securities are purchased at a fixed price that includes an amount of
compensation to the underwriter, generally referred to as the underwriter's
concession or discount.

  Purchases of debt securities generally are principal transactions. Debt
securities normally are purchased or sold from or to dealers serving as market
makers for the securities at a net price. Debt securities also may be purchased
in underwritten offerings or directly from an issuer. Generally debt obligations
are traded on a net basis and do not involve brokerage commissions. The cost of
executing transactions in debt securities consists primarily of dealer spreads
and underwriting commissions.

  Under the 1940 Act, persons affiliated with a Master Portfolio are prohibited
from dealing with the Master Portfolio as a principal in the purchase and sale
of portfolio securities unless an exemptive order allowing such transactions is
obtained from the Commission or an exemption is otherwise available. The Master
Portfolio may purchase securities from underwriting syndicates of which Stephens
is a member under certain conditions in accordance with the provisions of a rule
adopted under the 1940 Act and in compliance with procedures adopted by MIP's
Board of Trustees.

  The Master Portfolio has no obligation to deal with any dealer or group of
dealers in the execution of transactions in portfolio securities. Subject to
policies established by the Board of Trustees, BGFA is responsible for the
Master Portfolio's investment decisions and the placing of portfolio
transactions. In placing orders, it is the policy of the Master Portfolio to
obtain the best overall terms taking into account the dealer's general execution
and operational facilities, the type of transaction involved and other factors
such as the dealer's risk in positioning the securities involved. BGFA generally
seeks reasonably competitive spreads or commissions.

                                       25
<PAGE>
 
  In assessing the best overall terms available for any transaction, BGFA
considers factors deemed relevant, including the breadth of the market in the
security, the price of the security, the financial condition and execution
capability of the broker or dealer, and the reasonableness of the commission, if
any, both for the specific transaction and on a continuing basis. Certain of the
brokers or dealers with whom the Master Portfolio may transact business offer
commission rebates to the Master Portfolio. BGFA considers such rebates in
assessing the best overall terms available for any transaction. BGFA may cause
the Asset Allocation Master Portfolio to pay a broker/dealer which furnishes
brokerage and research services a higher commission than that which might be
charged by another broker/dealer for effecting the same transaction, provided
that BGFA determines in good faith that such commission is reasonable in
relation to the value of the brokerage and research services provided by such
broker/dealer, viewed in terms of either the particular transaction or the
overall responsibilities of BGFA. Such brokerage and research services might
consist of reports and statistics relating to specific companies or industries,
general summaries of groups of stocks or bonds and their comparative earnings
and yields, or broad overviews of the stock, bond, and government securities
markets and the economy.

  Supplementary research information so received is in addition to, and not in
lieu of, services required to be performed by BGFA and does not reduce the
advisory fees payable by the Master Portfolio. MIP's Board of Trustees will
periodically review the commissions paid by the Master Portfolio to consider
whether the commissions paid over representative periods of time appear to be
reasonable in relation to the benefits inuring to the Master Portfolio. It is
possible that certain of the supplementary research or other services received
will primarily benefit one or more other investment companies or other accounts
for which BGFA exercises investment discretion. Conversely, the Master Portfolio
may be the primary beneficiary of the research or services received as a result
of portfolio transactions effected for such other account or investment company.

  Under Section 28(e) of the Securities Exchange Act of 1934, an adviser shall
not be "deemed to have acted unlawfully or to have breached its fiduciary duty"
solely because under certain circumstances it has caused the account to pay a
higher commission than the lowest available. To obtain the benefit of Section
28(e), an adviser must make a good faith determination that the commissions paid
are "reasonable in relation to the value of the brokerage and research services
provided . . . viewed in terms of either that particular transaction or its
overall responsibilities with respect to the accounts as to which it exercises
investment discretion and that the services provided by a broker provide an
adviser with lawful and appropriate assistance in the performance of its
investment decision-making responsibilities." Accordingly, the price to the
Master Portfolio in any transaction may be less favorable than that available
from another broker/dealer if the difference is reasonably justified by other
aspects of the portfolio execution services offered.

  Portfolio Turnover. The portfolio turnover rates for the Asset Allocation
  ------------------                                                       
Master Portfolio generally is not expected to exceed 450%. The high portfolio
turnover rate for the Asset Allocation Master Portfolio may result in higher
transaction (i.e., principal markup/markdown, brokerage, and other transaction)
costs. The portfolio turnover rate will not be a limiting factor when BGFA deem
portfolio changes appropriate.

  Brokerage Commissions. For the fiscal years ended February 29, 1996, February
  ---------------------                                                        
28, 1997 and February 28, 1998, the Master Portfolio of the Fund paid the dollar
amounts of brokerage commissions indicated below. None of these brokerage
commissions were paid to affiliated brokers.

                                       26
<PAGE>
<TABLE>
<CAPTION>
                               COMMISSIONS PAID                   

              FYE 2/29/96         FYE 2/28/97         FYE 2/28/98 
              -----------      ----------------       ----------- 
              <S>              <C>                    <C>         
               $ 9,782              $28,606             $11,933    
</TABLE>

  Securities of Regular Broker/Dealers. As of February 28, 1998, the Master
  ------------------------------------                                     
Portfolio of the Fund owned securities of its "regular brokers or dealers" or
their parents, as defined in the 1940 Act, as follows:
<TABLE>
<CAPTION>
                 BROKER/DEALER              AMOUNT  
                 -------------              ------   
              <S>                        <C>        
              Goldman Sachs & Co.        $21,000,000
              J.P. Morgan                $   999,259 
</TABLE>
                                 CAPITAL STOCK

  The Company, an open-end, management investment company, was incorporated in
Maryland on October 15, 1992. The authorized capital stock of the Company
consists of 12,100,000,000 shares having a par value of $.001 per share. As of
the date of this SAI, the Company's Board of Directors has authorized the
issuance of twelve series of shares.  The Board of Directors may, in the future,
authorize the issuance of other series of capital stock representing shares of
additional investment portfolios or funds.

  All shares of the Company have equal voting rights and will be voted in the
aggregate, and not by series, except where voting by a series is required by law
or where the matter involved only affects one series. For example, a change in
the Fund's fundamental investment policy would be voted upon only by
shareholders of the Fund. Additionally, approval of an advisory contract is a
matter to be determined separately by fund. Approval by the shareholders of the
Fund is effective as to that fund whether or not sufficient votes are received
from the shareholders of the other investment portfolios to approve the proposal
as to those investment portfolios. As used in the Prospectus of each Fund and in
this SAI, the term "majority," when referring to approvals to be obtained from
shareholders of the Fund, means the vote of the lesser of (i) 67% of the shares
of the Fund represented at a meeting if the holders of more than 50% of the
outstanding shares of the Fund are present in person or by proxy, or (ii) more
than 50% of the outstanding shares of the Fund. The term "majority," when
referring to the approvals to be obtained from shareholders of the Company as a
whole, means the vote of the lesser of (i) 67% of the Company's shares
represented at a meeting if the holders of more than 50% of the Company's
outstanding shares are present in person or by proxy, or (ii) more than 50% of
the Company's outstanding shares. Shareholders are entitled to one vote for each
full share held and fractional votes for fractional shares held.

  The Company may dispense with an annual meeting of shareholders in any year in
which it is not required to elect Directors under the 1940 Act. However, the
Company has undertaken to hold a special meeting of its shareholders for the
purpose of voting on the question of removal of a Director or Directors if
requested in writing by the holders of at least 10% of the Company's outstanding
voting securities, and to assist in communicating with other shareholders as
required by Section 16(c) of the 1940 Act.

  Each share of the Fund represents an equal proportional interest in the Fund
with each other share and is entitled to such dividends and distributions out of
the income earned on the assets belonging to the Fund as are declared in the
discretion of the Directors. In the event of the liquidation or dissolution of
the Company, shareholders of the Fund are entitled to receive the assets
attributable to the Fund that are available for distribution, and a distribution
of any general assets not attributable to a particular 

                                       27
<PAGE>
 
investment portfolio that are available for distribution in such manner and on
such basis as the Directors in their sole discretion may determine.

  Shareholders are not entitled to any preemptive rights. All shares, when
issued, will be fully paid and non-assessable by the Company.

  MIP is an open-end, series management investment companies organized as a
Delaware business trust.  MIP was organized on October 21 1993. In accordance
with Delaware law and in connection with the tax treatment sought by MIP, MIP's
Declaration of Trust provides that its investors would be personally responsible
for Trust liabilities and obligations, but only to the extent MIP's property is
insufficient to satisfy such liabilities and obligations. The Declaration of
Trust also provides that MIP shall maintain appropriate insurance (for example,
fidelity bonding and errors and omissions insurance) for the protection of the
Trust, its investors, Trustees, officers, employees and agents covering possible
tort and other liabilities, and that investors will be indemnified to the extent
they are held liable for a disproportionate share of Trust obligations. Thus,
the risk of an investor incurring financial loss on account of investor
liability is limited to circumstances in which both inadequate insurance existed
and MIP itself was unable to meet its obligations.

  The Declaration of Trust further provides that obligations of MIP are not
binding upon its Trustees individually but only upon the property of the Trust
and that the Trustees will not be liable for any action or failure to act, but
nothing in the Declarations of Trust protects a Trustee against any liability to
which the Trustee would otherwise be subject by reason of willful misfeasance,
bad faith, gross negligence, or reckless disregard of the duties involved in the
conduct of the Trustee's office.

  The interests in each Master Portfolio of MIP have substantially identical
voting and other rights as those rights enumerated above for shares of the
Funds. MIP also intends to dispense with annual meetings, but are required by
Section 16(c) of the Act to hold a special meeting and assist investor
communications under the circumstances described above with respect to a
Company. Whenever the Fund is requested to vote on a matter with respect to its
Master Portfolio, the Fund will hold a meeting of Fund shareholders and will
cast its votes as instructed by such shareholders.

  In a situation where the Fund does not receive instruction from certain of its
shareholders on how to vote the corresponding shares of a Master Portfolio, such
Fund will vote such shares in the same proportion as the shares for which the
Fund does receive voting instructions.

  As of November 1, 1998, the shareholders identified below were known by the
Company to own 5% or more of the Fund's outstanding shares in the following
capacity:

<TABLE>     
<CAPTION>

NAME AND ADDRESS                  PERCENTAGE             NATURE OF
 OF SHAREHOLDER                    OF FUND               OWNERSHIP
- ----------------                  -----------            --------- 
<S>                             <C>                      <C> 
Merrill Lynch Trust Co.               88.09%              Record
FSB
FBO Various 401k Plans
P.O. Box 62000
San Francisco, CA 94162
</TABLE>     

  For purposes of the 1940 Act, any person who owns directly or through one or
more controlled companies more than 25% of the voting securities of a company is
presumed to "control" such company.  Accordingly, to the extent that a
shareholder identified in the foregoing table is identified as the beneficial
holder of more than 25% of the Fund, or is identified as the holder of record of
more than 25% of the Fund and has voting and/or investment powers, it may be
presume to control the Fund.

                                       28
<PAGE>
 
                                     OTHER

  The Registration Statement of the Trusts and the Company, including the
Prospectus for Asset Allocation Fund, the SAI and the exhibits filed therewith,
may be examined at the office of the SEC in Washington, D.C. Statements
contained in a Prospectus or the SAI as to the contents of any contract or other
document referred to herein or in a Prospectus 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, each such statement
being qualified in all respects by such reference.

                                    COUNSEL

  Morrison & Foerster LLP, 2000 Pennsylvania Avenue, NW, Suite 5500, Washington,
D.C. 20006-1812, as counsel for the Company, has rendered its opinion as to
certain legal matters regarding the due authorization and valid issuance of the
shares being sold pursuant to the Fund's Prospectus.

                              INDEPENDENT AUDITORS

  KPMG Peat Marwick LLP has been selected as the independent auditor for the
Company and the Trusts. KPMG Peat Marwick LLP provides audit services, tax
return preparation and assistance and consultation in connection with review of
certain SEC filings. KPMG Peat Marwick LLP's address is Three Embarcadero
Center, San Francisco, California 94111.

                             FINANCIAL INFORMATION

  The audited financial statements, including the portfolio of investments, and
independent auditors' report for the fiscal year ended February 28, 1998 for the
Asset Allocation Fund and Master Portfolio is hereby incorporated by reference
to the MasterWorks Funds Inc. Annual Report, as filed with the SEC on May 1,
1998.  The audited financial statements are attached to all SAIs delivered to
shareholders or prospective shareholders.

                                       29
<PAGE>
 
                                  SAI APPENDIX

  The following is a description of the ratings given by Moody's and S&P to
corporate bonds and commercial paper.

CORPORATE BONDS

  Moody's: The four highest ratings for corporate bonds are "Aaa," "Aa," "A" and
"Baa." Bonds rated "Aaa" are judged to be of the "best quality" and carry the
smallest amount of investment risk. Bonds rated "Aa" are of "high quality by all
standards," but margins of protection or other elements make long-term risks
appear somewhat greater than "Aaa" rated bonds. Bonds rated "A" possess many
favorable investment attributes and are considered to be upper medium grade
obligations. Bonds rated "Baa" are considered to be medium grade obligations;
interest payments and principal security appear adequate for the present but
certain protective elements may be lacking or may be characteristically
unreliable over any great length of time. Such bonds have speculative
characteristics as well. Moody's applies numerical modifiers "1," "2" and "3" in
each rating category from "Aa" through "Baa" in its rating system. The modifier
"1" indicates that the security ranks in the higher end of its category; the
modifier "2" indicates a mid-range ranking; and the modifier "3" indicates that
the issue ranks in the lower end.

  S&P: The four highest ratings for corporate bonds are "AAA," "AA," "A" and
"BBB." Bonds rated "AAA" have the highest ratings assigned by S&P and have an
extremely strong capacity to pay interest and repay principal. Bonds rated "AA"
have a "very strong capacity to pay interest and repay principal" and differ
"from the highest rated issued only in small degree." Bonds rated "A" have a
"strong capacity" to pay interest and repay principal, but are "somewhat more
susceptible" to adverse effects of changes in economic conditions or other
circumstances than bonds in higher rated categories. Bonds rated "BBB" are
regarded as having an "adequate capacity" to pay interest and repay principal,
but changes in economic conditions or other circumstances are more likely to
lead to a "weakened capacity" to make such repayments. The ratings from "AA" to
"BBB" may be modified by the addition of a plus or minus sign to show relative
standing within the category.

CORPORATE COMMERCIAL PAPER

  Moody's: The highest rating for corporate commercial paper is "Prime-1".
Issuers rated "Prime-1" have a "superior capacity for repayment of short-term
promissory obligations." Issuers rated "Prime-2" "have a strong capacity for
repayment of short-term promissory obligations," but earnings trends, while
sound, will be subject to more variation.

  S&P: The "A-1" rating for corporate commercial paper indicates that the
"degree of safety regarding timely payment is either overwhelming or very
strong." Commercial paper with "overwhelming safety characteristics" will be
rated "A-1+." Commercial paper with a strong capacity for timely payments on
issues will be rated "A-2."

                                       30
<PAGE>
 
                             MASTERWORKS FUNDS INC.
                          FILE NO. 33-54126; 811-7332

                                     PART C

                               OTHER INFORMATION


Item 24.  Financial Statements and Exhibits.
          --------------------------------- 

   (a)   Financial Statements:

         The portfolio of investments, audited financial statements and
   independent auditors' report for the fiscal year ended February 28, 1998 for
   the Asset Allocation, LifePath 2000, LifePath 2010, LifePath 2020, LifePath
   2030 and LifePath 2040 Funds are hereby incorporated by reference to the
   Company's Annual Report, as filed with the SEC on May 1, 1998.

         The portfolio of investments, audited financial statements and
   independent auditors' report for the fiscal year ended February 28, 1998 for
   the Asset Allocation, LifePath 2000, LifePath 2010, LifePath 2020, LifePath
   2030 and LifePath 2040, Master Portfolios of Master Investment Portfolio
   ("MIP") are hereby incorporated by reference to the Company's Annual Report,
   as filed with the SEC on May 1, 1998.
 
   
   (b)   Exhibits:
 
   Exhibit
   Number                    Description
   ------                    -----------
             
      1         -   Restated Articles of Incorporation dated October 31, 1995,
                    incorporated by reference to Post-Effective Amendment No.
                    11, filed December 1, 1995.
                    
      2         -   By-Laws, incorporated by reference to Post-Effective
                    Amendment No. 8, filed June 27, 1995.
                              
      3         -   Not applicable
               
      4         -   Not applicable
               
      5         -   Not applicable
 

                                      C-1
<PAGE>
 
   Exhibit
   Number                    Description
   ------                    -----------

      6            -  Amended and Restated Distribution Agreement with
                      Stephens Inc. on behalf of the Funds, dated February 16,
                      1996, incorporated by reference to Post-Effective
                      Amendment No. 13, filed June 28, 1996.

      7            -  Not applicable.

      8            -  Custody Agreement with Investors Bank & Trust Company on
                      behalf of the Funds, dated October 21, 1996,
                      incorporated by reference to Post-Effective Amendment
                      No. 14, filed June 30, 1997.

      9(a)         -  Transfer Agency and Service Agreement with Investors Bank
                      & Trust Company on behalf of the Funds, dated February
                      27, 1998, incorporated by reference to Post-Effective
                      Amendment No. 16, filed July 2, 1998.

      9(b)         -  Shareholder Servicing Plan and Form of Shareholder
                      Servicing Agreement for the Growth, Growth Stock, Short-
                      Intermediate Term, Asset Allocation, U.S. Treasury
                      Allocation, Bond Index, S&P 500 Stock and Money Market
                      Funds, dated February 1, 1994, as amended October 29,
                      1998, filed herewith.

      9(b)(i)      -  Shareholder Servicing Plan and Form of Shareholder
                      Servicing Agreement for the LifePath 2000, LifePath
                      2010, LifePath 2020, LifePath 2030 and LifePath 2040
                      Funds, dated March 15, 1996, as amended October 28,
                      1998, filed herewith.

      9(c)(i)      -  Co-Administration Agreement with Stephens Inc. and
                      Barclays Global Investors, N.A. on behalf of the Funds,
                      dated October 21, 1996, as amended on June 11, 1998,
                      filed September 1, 1998.

      9(c)(ii)     -  Sub-Administration Agreement by and among Barclays
                      Global Investors, N.A. and Investors Bank & Trust
                      Company on behalf of the Funds, dated October 21, 1996,
                      incorporated by reference to Post-Effective Amendment
                      No. 14, filed June 30, 1997 (previously listed as
                      exhibit 5(b)(ii)).

      9(d)         -  Service Agreement with Merrill Lynch, Pierce, Fenner &
                      Smith Incorporated on behalf of the Funds, dated
                      December 31, 1997, incorporated by reference to Post-
                      Effective Amendment No. 16, filed July 2, 1998.

      9(e)         -  Financial Services Agreement with Merrill Lynch, Pierce,
                      Fenner & Smith Incorporated on behalf of the Funds,
                      dated December 31, 1997, incorporated by reference to
                      Post-Effective Amendment No. 16, filed July 2, 1998.

      10           -  Opinion and Consent of Counsel, filed herewith.
   
      11           -  Consent of Independent Auditors - to be filed.
   
      12           -  Not applicable
   
      13           -  Not applicable
   
      14           -  Not applicable
 

                                      C-2
<PAGE>
 
    Exhibit
    Number          Description
    ------          -----------

    15(a)        -  Distribution Plan dated October 28, 1998, on behalf of the
                    Asset Allocation, LifePath 2000, LifePath 2010, LifePath
                    2020, LifePath 2030 and LifePath 2040 Funds, filed
                    herewith.
 
    15(b)        -  Amended and Restated Distribution Agreement on behalf of
                    the Funds, dated February 16, 1996, filed herewith.

    16           -  Not applicable
 
    17           -  See Exhibit 27
 
    18           -  Rule 18f-3 Multi-Class Plan, filed herewith.

    19           -  Powers of Attorney for Jack S. Euphrat, R. Greg Feltus,
                    Thomas S. Goho, Zoe Ann Hines, W. Rodney Hughes, Robert M.
                    Joses and J. Tucker Morse, incorporated by reference to
                    Post-Effective Amendment No. 14, filed June 30, 1997.

    27           -  Financial Data Schedules for the fiscal period ended
                    February 28, 1998, incorporated by reference to the Form N-
                    SAR filed on April 28, 1998.


Item 25. Persons Controlled by or under
         Common Control with Registrant
         ------------------------------

         As of [NOVEMBER 1, 1998], each Fund owned the following percentages of
the outstanding beneficial interests of the corresponding Master Portfolios of
MIP or MSIT.  As such, each Fund could be considered a controlling person of the
corresponding Master Portfolio for purposes of the 1940 Act.  [TO BE UPDATED]

<TABLE>    
<CAPTION>                                                                                     Percentage     
                                        Corresponding                                        of beneficial   
Fund                                    Master Portfolio                                     interests held   
- --------------------------------------  --------------------------------------------------  ------------------- 
<S>                                     <C>                                                 <C>
LifePath 2000 Fund                      LifePath 2000 Master Portfolio (MIP)                             45.83%
LifePath 2010 Fund                      LifePath 2010 Master Portfolio (MIP)                             54.91%
LifePath 2020 Fund                      LifePath 2020 Master Portfolio (MIP)                             44.98%
LifePath 2030 Fund                      LifePath 2030 Master Portfolio (MIP)                             41.29%
LifePath 2040 Fund                      LifePath 2040 Master Portfolio (MIP)                             32.18%
Asset Allocation Fund                   Asset Allocation Master Portfolio (MIP)                          99.99%
</TABLE>      

Item 26. Number of Holders of Securities.
         --------------------------------

         As of [NOVEMBER 1, 1998], the number of record holders of each class of
securities of the Registrant for the following funds were as follows: [TO BE
UPDATED]

                                      C-3
<PAGE>
 
<TABLE>     
<CAPTION>
                                                                                
                                                                Number of       
Title of Class                                                Record Holders    
- ---------------------------------------------------------  -------------------- 
<S>                                                        <C>
Asset Allocation Fund                                               13
LifePath 2000 Fund                                                  10
LifePath 2010 Fund                                                  10
LifePath 2020 Fund                                                  10
LifePath 2030 Fund                                                  10
LifePath 2040 Fund                                                   9
</TABLE>      


Item 27. Indemnification.
         --------------- 

         The following paragraphs of Article VIII of the Registrant's Articles
of Incorporation provide:

              (h) The Corporation shall indemnify (1) its Directors and
      officers, whether serving the Corporation or at its request any other
      entity, to the full extent required or permitted by the General Laws of
      the State of Maryland now or hereafter in force, including the advance of
      expenses under the procedures and to the full extent permitted by law, and
      (2) its other employees and agents to such extent as shall be authorized
      by the Board of Directors or the Corporation's By-Laws and be permitted by
      law.  The foregoing rights of indemnification shall not be exclusive of
      any other rights to which those seeking indemnification may be entitled.
      The Board of Directors may take such action as is necessary to carry out
      these indemnification provisions and is expressly empowered to adopt,
      approve and amend from time to time such By-Laws, resolutions or contracts
      implementing such provisions or such further indemnification arrangements
      as may be permitted by law.  No amendment of these Articles of
      Incorporation of the Corporation shall limit or eliminate the right to
      indemnification provided hereunder with respect to acts or omissions
      occurring prior to such amendment or repeal.  Nothing contained herein
      shall be construed to authorize the Corporation to indemnify any Director
      or officer of the Corporation against any liability to the Corporation or
      to any holders of securities of the Corporation to which he is subject by
      reason of willful misfeasance, bad faith, gross negligence, or reckless
      disregard of the duties involved in the conduct of his office.  Any
      indemnification by the Corporation shall be consistent with the
      requirements of law, including the 1940 Act.

              (i) To the fullest extent permitted by Maryland statutory and
      decisional law and the 1940 Act, as amended or interpreted, no Director or
      officer of the Corporation shall be personally liable to the Corporation
      or its stockholders for money damages; provided, however, that nothing
      herein shall be construed to protect any Director or officer of the
      Corporation against any liability to which such Director or officer would
      otherwise be subject by reason of willful misfeasance, bad faith, gross
      negligence, or reckless disregard of the duties involved in the conduct of
      his office.  No amendment, modification or repeal of this Article VIII
      shall adversely affect any right 

                                      C-4
<PAGE>
 
      or protection of a Director or officer that exists at the time of such
      amendment, modification or repeal.


Item 28. Business and Other Connections
         of Investment Adviser.
         ----------------------

        The Funds currently do not retain an investment adviser.  The
corresponding MIP Master Portfolios to the LifePath 2000, LifePath 2010,
LifePath 2020, LifePath 2030, LifePath 2040 and Asset Allocation Funds are
advised by Barclays Global Fund Advisors ("BGFA"), a wholly-owned subsidiary of
Barclays Global Investors, N.A. ("BGI", formerly, Wells Fargo Institutional
Trust Company).

        BGFA's business is that of a registered investment adviser to certain
open-end, management investment companies and various other institutional
investors.  Wells Fargo Bank's business is that of a national banking
association with respect to which it conducts a variety of commercial banking
and trust activities, including acting as investment adviser and/or sub-adviser
to certain open-end management investment companies and various other
institutional investors.

       The directors and officers of BGFA consist primarily of persons who
during the past two years have been active in the investment management business
of the former sub-adviser to the Registrant, Wells Fargo Nikko Investment
Advisors ("WFNIA") and, in some cases, the service business of BGI.  Each of the
directors and executive officers of BGFA will also have substantial
responsibilities as directors and/or officers of BGI.  To the knowledge of the
Registrant, except as set forth below, none of the directors or executive
officers of BGFA is or has been at any time during the past two fiscal years
engaged in any other business, profession, vocation or employment of a
substantial nature.

<TABLE>
<CAPTION>

Name and Position                Principal Business(es) During at
at BGFA                          Least the Last Two Fiscal Years
- -------------------------------  ----------------------------------------------------
<S>                              <C>
Frederick L.A. Grauer            Director of BGFA and Co-Chairman and Director of BGI
Director                         45 Fremont Street, San Francisco, CA 94105

Patricia Dunn                    Director of BGFA and C-Chairman and Director of BGI
Director                         45 Fremont Street, San Francisco, CA 94105

Lawrence G. Tint                 Chairman of the Board of Directors of BGFA
Chairman and Director            and Chief Executive Officer of BGI
                                 45 Fremont Street, San Francisco, CA  94105
</TABLE> 

                                      C-5
<PAGE>
 
<TABLE> 
<CAPTION> 
<S>                              <C> 
Geoffrey Fletcher                Chief Financial Officer of BGFA and BGI since May 1997
Chief Financial Officer          45 Fremont Street, San Francisco, CA 94105
                                 Managing Director and Principal Accounting Officer at
                                 Bankers Trust Company from 1988 - 1997
                                 505 Market Street, San Francisco, CA  94105
</TABLE>

        Prior to January 1, 1996, WFNIA served as sub-adviser to the Asset
Allocation, Fund, and as adviser or sub-adviser to various other open-end
management investment companies.  For additional information, see "Management of
the Funds" in the Prospectuses and "Management" in the Statements of Additional
Information. For information as to the business, profession, vocation or
employment of a substantial nature of each of the officers and management
committees of WFNIA, reference is made to WFNIA's Form ADV and Schedules A and D
filed under the Investment Advisers Act of 1940, SEC File No. 801-36479,
incorporated herein by reference.


Item 29. Principal Underwriters.
         ---------------------- 

         (a) Stephens Inc., distributor for the Registrant, does not presently
act as investment adviser for any other registered investment companies, but
does act as principal underwriter for MasterWorks Funds Inc., Stagecoach Funds,
Inc., Stagecoach Trust, Nations Fund, Inc., Nations Fund Trust, Nations Fund
Portfolios, Inc., Nations LifeGoal Funds, Inc. and Nations Institutional
Reserves, and is the exclusive placement agent for Life & Annuity Trust, Managed
Series Investment Trust and Master Investment Portfolio, all of which are
registered open-end management investment companies.

         (b) Information with respect to each director and officer of the
principal underwriter is incorporated by reference to Form ADV and Schedules A
and D filed by Stephens Inc. with the Securities and Exchange Commission
pursuant to The Investment Advisers Act of 1940 (SEC File No. 501-15510).

         (c)  Not applicable.


Item 30. Location of Accounts and Records.
         -------------------------------- 

         (a) The Registrant maintains accounts, books and other documents
required by Section 31(a) of the Investment Company Act of 1940 and the rules
thereunder (collectively, "Records") at the offices of Stephens Inc., 111 Center
Street, Little Rock, Arkansas 72201.

         (b) BGFA and BGI maintain all Records relating to their services as
adviser and co-administrator, respectively, at 45 Fremont Street, San Francisco,
California 94105.

         (c) Stephens maintains all Records relating to its services as sponsor,
co- administrator and distributor at 111 Center Street, Little Rock, Arkansas
72201.

                                      C-6
<PAGE>
 
         (d) IBT maintains all Records relating to its services as sub-
administrator and custodian at 89 South Street, Boston, Massachusetts 02111.


Item 31. Management Services.
         ------------------- 

         Other than as set forth under the caption "Management of the Fund(s)"
in the Prospectuses constituting Part A of this Registration Statement and
"Management" in the Statements of Additional Information constituting Part B of
this Registration Statement, the Registrant is not a party to any management-
related service contract.


Item 32. Undertakings.
         ------------ 

         (a)  Not Applicable

         (b)  Not Applicable

         (c) Insofar as indemnification for liability arising under the
Securities Act of 1933 may be permitted to directors, officers and controlling
persons of the Registrant pursuant to the provisions set forth above in response
to Item 27, or otherwise, the Registrant has been advised that in the opinion of
the Securities and Exchange Commission such indemnification is against public
policy as expressed in such Act and is, therefore, unenforceable.  In the event
that a claim for indemnification against such liabilities (other than the
payment by the Registrant of expenses incurred or paid by a director, officer or
controlling person of the Registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person
in connection with the securities being registered, the Registrant will, unless
in the opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the Act and
will be governed by the final adjudication of such issue.

         (d) Registrant undertakes to hold a special meeting of its shareholders
for the purpose of voting on the question of removal of a director or directors
if requested in writing by the holders of at least 10% of the Company's
outstanding voting securities, and to assist in communicating with other
shareholders as required by Section 16(c) of the Investment Company Act of 1940.

         (e) Registrant undertakes to furnish each person to whom a prospectus
is delivered with a copy of its most current annual report to shareholders, upon
request and without charge.

                                      C-7
<PAGE>
 
                                   SIGNATURES

      Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, the Registrant certifies that it meets all of
the requirements for effectiveness of this Amendment to its Registration
Statement pursuant to Rule 485(a)(1) under the Securities Act of 1933 and has
duly caused this Registration Statement on Form N-1A to be signed on its behalf
by the undersigned, thereto duly authorized, in the City of Little Rock, State
of Arkansas on the 19th day of November, 1998.

                                MASTERWORKS FUNDS INC.


                                By /s/ Richard H. Blank, Jr.
                                   -------------------------
                                  Richard H. Blank, Jr.
                                  Secretary and Treasurer
                                  (Principal Financial Officer)

      Pursuant to the requirements of the Securities Act of 1933, this Post-
Effective Amendment No. 18 to the Registration Statement on Form N-1A has been
signed below by the following persons in the capacities and on the date
indicated:
<TABLE>
<CAPTION>
 
           Signature             Title
- ------------------------------  --------
<S>                             <C>                               <C>
 
            *                   Director, Chairman and President  11/19/98
- ------------------------------  (Principal Executive Officer)
   (R. Greg Feltus)             
 
   /s/ Richard H. Blank, Jr.    Secretary and Treasurer           11/19/98
- ------------------------------  (Principal Financial Officer)
   (Richard H. Blank, Jr.)      
 
            *                   Director                          11/19/98
- ------------------------------
   (Jack S. Euphrat)
 
            *                   Director                          11/19/98
- ------------------------------
   (Thomas S. Goho)
 
            *                   Director                          11/19/98
- ------------------------------
   (W. Rodney Hughes)
 
            *                   Director                          11/19/98
- ------------------------------
   (J. Tucker Morse)
</TABLE>

*By:  /s/ Richard H. Blank, Jr.
      -------------------------
     Richard H. Blank, Jr.
     As Attorney-in-Fact
     November 19, 1998
<PAGE>
 
                                   SIGNATURES

      Pursuant to the requirements of the Investment Company Act of 1940, the
Registrant has duly caused this Amendment to its Registration Statement on Form
N-1A to be signed on its behalf by the undersigned, thereto duly authorized, in
the City of Little Rock, State of Arkansas on the 19th day of November, 1998.

                                MASTER INVESTMENT PORTFOLIO


                                By /s/ Richard H. Blank, Jr.
                                   -------------------------
                                (Richard H. Blank, Jr.)
                                Secretary and Treasurer
                                (Principal Financial Officer)


<TABLE>
<CAPTION>
 
           Signature             Title
- ------------------------------  --------
<S>                             <C>                               
 
            *                   Trustee, Chairman and President  
- ------------------------------  (Principal Executive Officer)
   (R. Greg Feltus)             
 
   /s/ Richard H. Blank, Jr.    Secretary and Treasurer           
- ------------------------------  (Principal Financial Officer)
   (Richard H. Blank, Jr.)      
 
            *                   Trustee                         
- ------------------------------
   (Jack S. Euphrat)
 
            *                   Trustee                           
- ------------------------------
   (Thomas S. Goho)
 
            *                   Trustee 
- ------------------------------
   (W. Rodney Hughes)
 
            *                   Trustee
- ------------------------------
   (J. Tucker Morse)
</TABLE>

*By:  /s/ Richard H. Blank, Jr.
      -------------------------
     Richard H. Blank, Jr.
     As Attorney-in-Fact
     November 19, 1998
<PAGE>
 
                            MASTERWORKS FUNDS INC.
                       SEC FILE NOS. 33-54126; 811-7332

                                 EXHIBIT INDEX


<TABLE>
<CAPTION>
EXHIBIT NUMBER     DESCRIPTION
<C>                <S>                             
EX-99.B9(b)        *  Shareholder Servicing Plan and Form of Shareholder
                      Servicing Agreement--Asset Allocation Fund

EX-99.B9(c)        *  Shareholder Servicing Plan and Form of Shareholder
                      Servicing Agreement--LifePath Funds

EX-99.B10          *  Opinion and Consent of Counsel--Morrison & Foerster LLP

EX-99.B11          *  Consent of Independent Auditors--KPMG Peat Marwick LLP
                      (to be filed before the Effectiveness Date)

EX-99.B15(a)       *  Distribution Plan

EX-99.B18          *  Rule 18f-3 Multi-Class Plan
</TABLE>


                                        

<PAGE>
                                                                EXHIBIT 99.B9(b)
 
                          SHAREHOLDER SERVICING PLAN

                               MASTERWORKS FUNDS
                                        
      Section 1.  Each of the proper officers of MasterWorks Funds Inc.
(formerly Stagecoach Inc.) (the "Company") is authorized to execute and deliver,
in the name and on behalf of the Company, written agreements ("Agreements"),
duly approved by the Company's Board of Directors, with broker/dealers, banks
and other financial institutions that are dealers of record or holders of record
or which have a servicing relationship with the beneficial owners of Shares
("Servicing Agents") in the Company's fund's listed on Schedule I (each a
"Fund", collectively the "Funds").  Pursuant to such Agreements, Servicing
Agents shall provide support services as set forth therein to their clients who
beneficially own Shares of a Fund in consideration of a fee, computed monthly in
the manner set forth in the Fund's then current prospectus, at annual rates as
set forth in Schedule I.  The Company's distributor, administrator and adviser
and their respective affiliates are eligible to become Servicing Agents and to
receive fees under this Servicing Plan.  All expenses incurred by a Fund in
connection with the Agreements and the implementation of this Servicing Plan
shall be borne entirely by the holders of the Shares of the Fund.

      Section 2.  The Company's administrator shall monitor the arrangements
pertaining to the Company's Agreements with Servicing Agents.  The Company's
administrator shall not, however, be obligated by this Servicing Plan to
recommend, and the Company shall not be obligated to execute, any Agreement with
any qualifying Servicing Agents.

      Section 3.  So long as this Servicing Plan is in effect, the Company's
administrator shall provide to the Company's Board of Directors, and the
Directors shall review, at least quarterly, a written report of the amounts
expended pursuant to this Servicing Plan and the purposes for which such
expenditures were made.

      Section 4.  Unless sooner terminated, this Servicing Plan (and each
related agreement) shall continue in effect for a period of one year from its
date of execution and shall continue thereafter for successive annual periods,
provided that such continuance is specifically approved at least annually by a
majority of the Board of Directors, including 
<PAGE>
 
a majority of the Directors who are not "interested persons," as defined in the
Investment Company Act of 1940, of the Company and have no direct or indirect
financial interest in the operation of this Servicing Plan or in any Agreement
related to this Servicing Plan (the "Disinterested Directors") cast in person at
a meeting called for the purpose of voting on such approval.

      Section 5.  This Servicing Plan may be amended at any time with respect to
the Funds by the Company's Board of Directors, provided that any material
amendment of the terms of this Servicing Plan (including a material increase of
the fee payable hereunder) shall become effective only upon the approvals set
forth in Section 4.

      Section 6.  This Servicing Plan is terminable at any time with respect to
the Funds by vote of a majority of the Disinterested Directors.

      Section 7.  While this Servicing Plan is in effect, the selection and
nomination of the Disinterested Directors shall be committed to the discretion
of such Disinterested Directors.

      Section 8.  Notwithstanding anything herein to the contrary, the Funds
shall not be obligated to make any payments under this Plan that exceed the
maximum amounts payable under Rule 28 of the Conduct Rules of the National
Association of Securities Dealers, Inc.

      Section 9.  The Company will preserve copies of this Servicing Plan,
Agreements, and any written reports regarding this Servicing Plan presented to
the Board of Directors for a period of not less than six years.

Dated:  February 1, 1994
<PAGE>
 
                                   SCHEDULE 1

                                 LIST OF FUNDS

      FUNDS                                                    FEES

Growth Fund .............................................       .10%
Growth Stock Fund .......................................       .10%
Short-Intermediate Term Fund ............................       .10%
Asset Allocation Fund ...................................       .20%
U.S. Treasury Allocation Fund ...........................       .20%
Bond Index Fund .........................................       .07%
S&P 500 Stock Fund ......................................       .07%
Money Market Fund .......................................       .10%


Dated:  February 1, 1994

As Amended:  October 29, 1997 to include the Money Market Fund.
<PAGE>
 
                    FORM OF SHAREHOLDER SERVICING AGREEMENT



MasterWorks Funds Inc.
111 Center Street
Little Rock, Arkansas 72201

Gentlemen:

       We wish to enter into this Shareholder Servicing Agreement with you
concerning the provision of certain services to shareholders of each series
named on Schedule 1 hereto, as such Schedule may be revised from time to time
(each, a "Fund"), of MasterWorks Funds Inc. (the "Company").  The terms and
conditions of this Agreement are as follows:

       1.  We agree to provide certain services to the shareholders of each Fund
which services may include providing personal services relating to shareholder
accounts, such as answering shareholder inquiries regarding the Fund and
providing reports and other information, and providing services related to the
maintenance of shareholder accounts.

       2.  We will act solely as agent for, upon the order of, and for the
account of, the shareholders for whom we are providing the services described
herein.

       3.  We will provide such office space and equipment, telephone facilities
and personnel (which may be any part of the space, equipment and facilities
currently used in our business, or any personnel employed by us) as may be
reasonably necessary or beneficial in order to provide such services
contemplated hereunder.

       4.  We will not nor will any of our officers, employees or agents make
any representations concerning the Company or the Funds except those contained
in the Funds' then-current prospectus and statement of additional information,
copies of which will be supplied to us by the Company, or in such supplemental
literature or advertising as may be authorized by the Company in writing.

       5.  For all purposes of this Agreement, we will be deemed to be an
independent contractor, and will have no authority to act as agent for the
Company in any manner or in any respect.  We agree and do release, indemnify and
hold the Company harmless from and against any and all direct or indirect
liabilities or losses resulting from requests, directions, actions or inactions
of or by us or our officers, employees or agents regarding our responsibilities
hereunder for the purchase, redemption, transfer, or registration of Fund shares
by or on behalf of the holders of such shares.  We and our employees, upon
request, will be available during normal business hours to consult with 

<PAGE>
 
the Company or its designees concerning the performance of our responsibilities
under this Agreement.

       6.  In consideration of the services and facilities provided by us
hereunder, the Company agrees to pay us and we will accept as full payment
therefor, a fee at the annual rate set forth opposite each Fund's name on
Schedule 1 hereto, based on the average daily net asset value of the outstanding
Fund shares as to which we provide the services described herein, which fee will
be computed daily and payable monthly.  For purposes of determining the fees
payable under this Section 6, the average daily net asset value of such
outstanding shares will be computed in the manner specified in the Company's
registration statement (as the same is in effect from time to time) in
connection with the computation of the net asset value of the relevant Funds for
purposes of purchases and redemptions.  The Company, in its discretion and
without notice, may suspend or withdraw the sale of Fund shares.

       7.  Any person authorized to direct the disposition of monies paid or
payable by the Company pursuant to this Agreement will provide to the Company's
Board, at least quarterly, a written report of the amounts so expended and the
purposes for which such expenditures were made.  In addition, we will furnish
the Company or its designees with such information as a Fund or its designees
may reasonably request (including, without limitation, periodic certifications
confirming the provision of the services described herein), and will otherwise
cooperate with the Company or its designees (including, without limitation, any
auditors designated by the Company), in connection with the preparation of
reports to the Company's Board concerning this Agreement and the monies paid or
payable pursuant hereto, as well as any other reports or filings that may be
required by law.  We will promptly report to the Company any potential or
existing conflicts with respect to the investments of our customers in the
Funds.

       8.  The Company may enter into some similar Shareholder Servicing
Agreements with any other person or persons without our consent.

       9.  We represent, warrant and agree that: (i) in no event will any of the
services provided by us hereunder be primarily intended to result in the sale of
any shares issued by the Company; (ii) the compensation payable to us hereunder,
together with any other compensation payable to us by our clients in connection
with the investment of their assets in Fund shares, will be disclosed by us to
our clients, will be authorized by our clients and will not result in an
excessive or unreasonable fee to us; and (iii) we will not engage in activities
pursuant to this Agreement which constitute acting as a broker or dealer under
state law.

       10. This Agreement will become effective on the date a fully executed
copy of this Agreement is received by the Company or its designee and accepted
and agreed to.  Unless sooner terminated, this Agreement will continue until the
first anniversary of its effective date and thereafter will continue
automatically for successive annual periods 
<PAGE>
 
ending on the anniversary of its effective date, provided such continuance is
specifically approved at least annually by the Company in the manner described
in Section 13.

       11. All notices and other communications will be duly given if mailed,
telegraphed, telexed or transmitted by similar telecommunications device to the
appropriate address shown above, or to such other address as either party shall
so provide the other.

       12. This Agreement shall be construed in accordance with the internal
laws of the State of California without giving effect to principles of conflict
of interest.

       13. This Agreement is subject to annual approval by vote of a majority
of (i) the Company's Board and (ii) the Directors who are not "interested
persons" (as defined in the Investment Company Act of 1940, as amended) of the
Company or us, by vote cast in person at a meeting called for the purpose of
voting such approval.  This Agreement is terminable without penalty, on 10 days'
notice, by the Company's Board, or, on not less than 90 days' notice, by us.
This Agreement will terminate automatically in the event of its assignment (as
defined in the Act).

       14. This contract has been executed on behalf of the Company by the
undersigned officer of the Company in his capacity as an officer of the Company.
The obligations of this contract shall only be binding upon the assets and
property of the relevant Fund, as provided for in the Company's Articles of
Incorporation, and shall not be binding upon any Director, officer or
shareholder of the Company or Fund individually.
<PAGE>
 
       If you agree to be legally bound by the provisions of this Agreement,
please sign a copy of this letter where indicated below and promptly return it
to us.

                              Very truly yours,


                              [SHAREHOLDER SERVICING AGENT]

                              By:
                                  -------------------------------    

                              Name:
                                    -----------------------------

                              Title: 
                                     ----------------------------

                              By:
                                  -------------------------------    

                              Name:
                                    -----------------------------

                              Title:
                                     ----------------------------


                              Accepted and agreed to:

                              MASTERWORKS FUNDS INC.

                              By:
                                  -------------------------------    

                              Name:
                                    -----------------------------

                              Title:
                                     ----------------------------


                              Dated:
                                     ----------------------------
<PAGE>
 
                                   SCHEDULE 1
                                   ----------


                                                     Annual Fee as a
                                                     Percentage of Average
Name of Fund                                         Daily Net Assets
- ------------                                         ---------------------

Growth Fund ......................................             .10%
Growth Stock Fund ................................             .10%
Short-Intermediate Term Fund .....................             .10%
Asset Allocation Fund ............................             .20%
U.S. Treasury Allocation Fund ....................             .20%
Bond Index Fund ..................................             .07%
S&P 500 Stock Fund ...............................             .07%
Money Market Fund ................................             .10%

<PAGE>
 
                                                                EXHIBIT 99.B9(c)

                             MASTERWORKS FUNDS INC.
                                        
                           SHAREHOLDER SERVICING PLAN
                                        

       Introduction:  It has been proposed that the above-captioned investment
       ------------                                                           
company (the "Company") reapprove a Shareholder Servicing Plan (the "Plan") with
respect to the various classes of shares (each a "Class") of the portfolios of
the Company (each, a "Fund") listed on Schedule 1 hereto, as such Schedule may
be revised from time to time, under which the Company would pay certain
financial institutions, securities dealers and other industry professionals
(collectively, "Shareholder Servicing Agents") for providing services to Fund
shareholders.  The Plan is not to be adopted pursuant to Rule 12b-1 under the
Investment Company Act of 1940, as amended (the "Act"), and the fee under the
Plan is intended to be a "service fee" as defined in Rule 2830 of the NASD Rules
of Fair Practice.

       The Company's Board, in considering whether the Company should implement
a written plan, has requested and evaluated such information as it deemed
necessary to an informed determination as to whether a written plan should be
implemented and has considered such pertinent factors as it deemed necessary to
form the basis for a decision to use Company assets for such purposes.

       In voting to approve the implementation of such a plan, the Board has
concluded, in the exercise of its reasonable business judgment and in light of
applicable fiduciary duties, that there is a reasonable likelihood that the plan
set forth below will benefit the Company and its shareholders.

       The Plan:  The material aspects of this Plan are as follows:
       --------                                                    

       1.   The Company is permitted to pay to one or more Shareholder Servicing
Agents a maximum fee per class at the annual rate set forth opposite each Fund's
name on Schedule 1 hereto, based upon the value of such Fund's average daily net
assets, in respect of the provision of personal services to shareholders of such
Fund and/or the maintenance of shareholder accounts.  The Board shall determine
the amounts to be paid to Shareholder Servicing Agents and the basis on which
such payments will be made.  Payments to a Shareholder Servicing Agent are
subject to compliance by the Shareholder Servicing Agent with the terms of any
related Plan agreement with the Company.

       2.   For the purpose of determining the fees payable under this Plan, the
value of the net assets of each Fund shall be computed in the manner specified
in the Company's Restated Articles of Incorporation for the computation of the
value of the Fund's net assets.

       3.   The Board shall be provided, at least quarterly, with a written
report of all amounts expended pursuant to this Plan.  The report shall state
the purpose for which the amounts were expended.

                                      -1-
<PAGE>
 
       4.   This Plan will become effective immediately upon approval by a
majority of the Board members, including a majority of the Board members who are
not "interested persons" (as defined in the Act) of the Company and have no
direct or indirect financial interest in the operation of this Plan or in any
agreements entered into in connection with this Plan, pursuant to a vote cast in
person at a meeting called for the purpose of voting on the approval of this
Plan.

       5.   This Plan shall continue for a period of one year from its effective
date, unless earlier terminated in accordance with its terms, and thereafter
shall continue automatically for successive annual periods, provided such
continuance is approved at least annually in the manner provided in paragraph 4
hereof.

       6.   This Plan may be amended at any time by the Board, provided that any
material amendments of the terms of this Plan shall become effective only upon
approval as provided in paragraph 4 hereof.

       7.   This Plan is terminable without penalty at any time by vote of a
majority of the Board members who are not "interested persons" (as defined in
the Act) of the Company and have no direct or indirect financial interest in the
operation of this Plan or in any agreements entered into in connection with this
Plan.

       8.   The obligations hereunder and under any related Plan agreement shall
only be binding upon the assets and property of the relevant Fund, as provided
for in the Company's Articles of Incorporation and shall not be binding upon any
Director, officer or shareholder of the Company or Fund individually.


Approved as amended October 28, 1998

                                      -2-
<PAGE>
 
                                  SCHEDULE 1
                                  ----------


       Fees are expressed as a percentage of the average daily net asset value
of the particular class of the particular Fund beneficially owned by or
attributable to such clients of the Servicing Agent.

<TABLE>
<CAPTION>
                                                              MAXIMUM
                                                               ANNUAL
FUND AND SHARE CLASSES                                       FEE RATE
- ----------------------                                       --------
<S>                                                          <C>
LifePath 2000 Fund
  Class I                                                      0.20%
  Class R                                                      0.20%
LifePath 2010 Fund
  Class I                                                      0.20%
  Class R                                                      0.20%
LifePath 2020 Fund
  Class I                                                      0.20%
  Class R                                                      0.20%
LifePath 2030 Fund
  Class I                                                      0.20%
  Class R                                                      0.20%
LifePath 2040 Fund
  Class I                                                      0.20%
  Class R                                                      0.20%
</TABLE>

Approved as amended October 28, 1998
<PAGE>
 
                             MASTERWORKS FUNDS INC.

                        SHAREHOLDER SERVICING AGREEMENT
                                        


Masterworks Funds Inc.
111 Center Street
Little Rock, Arkansas 72201

Ladies and Gentlemen:

       We wish to enter into this Shareholder Servicing Agreement with you
concerning the provision of certain services to shareholders of each class of
shares of the Funds named on Schedule 1 hereto, as such Schedule may be revised
from time to time (each, a "Fund"), of Masterworks Funds Inc. (the "Company").
The terms and conditions of this Agreement are as follows:

1. We agree to provide certain services to the shareholders of each class of
shares of the Funds which services may include providing personal services
relating to shareholder accounts, such as answering shareholder inquiries
regarding the Fund and providing reports and other information, and providing
services related to the maintenance of shareholder accounts.

2. We will act solely as agent for, upon the order of, and for the account of,
the shareholders for whom we are providing the services described herein.

3. We will provide such office space and equipment, telephone facilities and
personnel (which may be any part of the space, equipment and facilities
currently used in our business, or any personnel employed by us) as may be
reasonably necessary or beneficial in order to provide such services
contemplated hereunder.

4. We will not nor will any of our officers, employees or agents make any
representations concerning the Company or the Funds except those contained in
the Funds' then-current prospectus and statement of additional information,
copies of which will be supplied to us by the Company, or in such supplemental
literature or advertising as may be authorized by the Company in writing.

5. For all purposes of this Agreement, we will be deemed to be an independent
contractor, and will have no authority to act as agent for the Company in any
manner or in any respect.  We agree and do release, indemnify and hold the
Company harmless from and against any and all direct or indirect liabilities or
losses resulting from requests, directions, actions or inactions of or by us or
our officers, employees or agents regarding our responsibilities hereunder for
the purchase, redemption, transfer, or registration of Fund shares by or on
behalf of the holders of such shares.  We and our employees, upon request, will
be available during normal business hours to consult 


                                      1
<PAGE>
 
with the Company or its designees concerning the performance of our
responsibilities under this Agreement.

6. In consideration of the services and facilities provided by us hereunder, the
Company agrees to pay us and we will accept as full payment therefor, a fee at
the annual rate set forth opposite each class under the Fund's name on Schedule
1 hereto, based on the average daily net asset value of the outstanding Fund
shares as to which we provide the services described herein, which fee will be
computed daily and payable monthly.  For purposes of determining the fees
payable under this Section 6, the average daily net asset value of such
outstanding shares will be computed in the manner specified in the Company's
registration statement (as the same is in effect from time to time) in
connection with the computation of the net asset value of the relevant Funds for
purposes of purchases and redemptions.  The Company, in its discretion and
without notice, may suspend or withdraw the sale of Fund shares.

7. Any person authorized to direct the disposition of monies paid or payable by
the Company pursuant to this Agreement will provide to the Company's Board, at
least quarterly, a written report of the amounts so expended and the purposes
for which such expenditures were made.  In addition, we will furnish the Company
or its designees with such information as the Fund or its designees may
reasonably request (including, without limitation, periodic certifications
confirming the provision of the services described herein), and will otherwise
cooperate with the Company or its designees (including, without limitation, any
auditors designated by the Company), in connection with the preparation of
reports to the Company's Board concerning this Agreement and the monies paid or
payable pursuant hereto, as well as any other reports or filings that may be
required by law.  We will promptly report to the Company any potential or
existing conflicts with respect to the investments of our customers in the
Funds.

8. The Company may enter into similar Shareholder Servicing Agreements with any
other person or persons without our consent.

9. We represent, warrant and agree that: (i) in no event will any of the
services provided by us hereunder be primarily intended to result in the sale of
any shares issued by the Company; (ii) the compensation payable to us hereunder,
together with any other compensation payable to us by our clients in connection
with the investment of their assets in Fund shares, will be disclosed by us to
our clients, will be authorized by our clients and will not result in an
excessive or unreasonable fee to us; and (iii) we will not engage in activities
pursuant to this Agreement which constitute acting as a broker or dealer under
state law.

10.  This Agreement is effective as of the date written below.  Unless sooner
terminated, this Agreement will continue until the first anniversary of its
effective date and thereafter will continue automatically for successive annual
periods ending on the anniversary of its effective date, provided such
continuance is specifically approved at least annually by the Company in the
manner described in Section 13.

                                      2
<PAGE>
 
11.  All notices and other communications will be duly given if mailed,
telegraphed, telexed or transmitted by similar telecommunications device to the
appropriate address shown above, or to such other address as either party shall
so provide the other.

12.  This Agreement shall be construed in accordance with the internal laws of
the State of California without giving effect to principles of conflict of
interest.

13.  This Agreement is subject to annual approval by vote of a majority of (i)
the Company's Board and (ii) the Directors who are not "interested persons" (as
defined in the Investment Company Act of 1940, as amended) of the Company, by
vote cast in person at a meeting called for the purpose of voting such approval.
This Agreement is terminable without penalty, on 10 days' notice, by the
Company's Board, or, on not less than 90 days' notice, by us.  This Agreement
will terminate automatically in the event of its assignment (as defined in the
Act).

                                      3
<PAGE>
 
       If you agree to be legally bound by the provisions of this Agreement,
please sign a copy of this letter where indicated below and promptly return it
to us.

Very truly yours,


BARCLAYS GLOBAL INVESTORS, N.A.

By: ___________________________

Name:__________________________

Title:_________________________


By:____________________________

Name:__________________________

Title:_________________________


Accepted and agreed to:

MASTERWORKS FUNDS INC.

By:____________________________

Name:__________________________

Title:_________________________


Approved:  March 19, 1996

Approved as amended:  October 28, 1998

                                      4
<PAGE>
 
                                   SCHEDULE 1
                                   ----------


<TABLE>
<CAPTION>
                                        MAXIMUM
                                         ANNUAL
FUND AND SHARE CLASSES                  FEE RATE
- ------------------------           -------------------
<S>                                <C>
LifePath 2000 Fund
  Class I                                 0.20%
  Class R                                 0.20%
LifePath 2010 Fund      
  Class I                                 0.20%
  Class R                                 0.20%
LifePath 2020 Fund      
  Class I                                 0.20%
  Class R                                 0.20%
LifePath 2030 Fund      
  Class I                                 0.20%
  Class R                                 0.20%
LifePath 2040 Fund      
  Class I                                 0.20%
  Class R                                 0.20%
</TABLE>


Approved:  March 15, 1996
Approved and Amended:  October 28, 1998

<PAGE>

                                                                  EXHIBIT 99.B10
 
                     [MORRISON & FOERSTER LLP LETTERHEAD]



                               November 19, 1998


MasterWorks Funds Inc.
111 Center Street
Little Rock, AR  72201


     Re:  Shares of Common Stock of MasterWorks Funds Inc.
          ------------------------------------------------

Ladies/Gentlemen:

     We refer to Post-Effective Amendment No. 18 and Amendment No. 22 to the
Registration Statement on Form N-1A (SEC File Nos. 33-54126 and 811-7332) (the
"Registration Statement") of MasterWorks Funds Inc. (the "Company") relating to
the registration of an indefinite number of shares of common stock of the
Company (collectively, the "Shares").

     We have been requested by the Company to furnish this opinion as Exhibit 10
to the Registration Statement.

     We have examined documents relating to the organization of the Company and
its series and the authorization and issuance of shares of its series.  We have
also verified with the Company's transfer agent the maximum number of shares
issued by the Company during the fiscal year ended February 28, 1998.

     Based upon and subject to the foregoing, we are of the opinion that:

     The issuance and sale of the Shares by the Company has been duly and
validly authorized by all appropriate corporate action, and assuming delivery by
sale or in accord with the Company's  dividend reinvestment plan in accordance
with the description set forth in the Funds' current prospectuses, the Shares
will be validly issued, fully paid and nonassessable by the Company.

     We consent to the inclusion of this opinion as an exhibit to the
Registration Statement.
<PAGE>
 
MasterWorks Funds Inc.
November 19, 1998
Page Two


     In addition, we hereby consent to the description of advice rendered by our
firm under the heading "Management of the Fund(s)" in the Prospectuses and to
the use of our name and to the reference to our firm under the caption "Counsel"
in the Statements of Additional Information, which are included as part of this
Registration Statement.

                              Very truly yours,

                              /s/ MORRISON & FOERSTER LLP

                              MORRISON & FOERSTER LLP

<PAGE>
                                                               EXHIBIT 99.B15(a)

 
                            MASTERWORKS FUNDS INC.

                               DISTRIBUTION PLAN


       WHEREAS, MasterWorks Funds Inc. ("Company") is an open-end management
investment company and is registered as such under the Investment Company Act of
1940, as amended ("Act"); and

       WHEREAS, the Company desires to adopt a Distribution Plan ("Plan")
pursuant to Rule 12b-1 under the Act on behalf of the classes of shares of each
Fund listed on the attached Appendix A as it may be amended from time to time
(each, a "Fund" and, collectively, the "Funds") and the Board of Directors,
including a majority of the Qualified Directors (as defined below), has
determined that there is a reasonable likelihood that adoption of the plan will
benefit each class of each Fund and its shareholders;

       NOW THEREFORE, each Fund hereby adopts the Plan in accordance with Rule
12b-1 under the Act on the following terms and conditions:

       Section 1. Pursuant to the Plan, the Company, on behalf of each classes
of each Fund listed in Appendix A, may pay to the distributor engaged by the
Company on behalf of the class ("Distributor"), as compensation for
distribution-related services provided, or reimbursement for distribution
related expenses incurred, a monthly fee at annual rates as set forth on
Appendix A.  The actual fee payable to the Distributor shall, within such limit,
be determined from time to time by mutual agreement between the Company and the
Distributor.  The Distributor may enter into selling agreements with one or more
selling agents under which such agents may receive compensation for
distribution-related services from the Distributor, including, but not limited
to, commissions or other payments to such agents based on the average daily net
assets of Fund shares attributable to them.  The Distributor may retain any
portion of the total distribution fee payable hereunder to compensate it for
distribution-related services provided by it or to reimburse it for other
distribution-related expenses.

       Section 2. The Plan (and each related agreement) will, unless earlier
terminated in accordance with its terms, remain in effect from year to year
after the first anniversary of its effectiveness if such continuance is
specifically approved at least annually by vote of a majority of both (a) the
Directors of the Company and (b) the Qualified Directors, cast in person at a
meeting (or meetings) called for the purpose of voting on such approval.

       Section 3. The Company shall provide to the Company's Board of Directors
and the Directors shall review, at least quarterly, a written report of the
amounts expended by the Company under the Plan and each related agreement and
the purposes for which such expenditures were made.

                                       1
<PAGE>
 
       Section 4. The Plan may be terminated with respect to any class at any
time by vote of a majority of the Qualified Directors or by vote of a majority
of the outstanding voting securities of the class.

       Section 5. All agreements related to the Plan shall be in writing and
shall be approved by vote of a majority of both (a) the Directors of the Company
and (b) the Qualified Directors, cast in person at a meeting called for the
purpose of voting on such approval.  Any agreement related to the Plan shall
provide:

       A.  That such agreement may be terminated at any time, without payment of
           any penalty, by the Company upon 60 days' written notice to
           Distributor or by Distributor at any time after the second
           anniversary of the effective date of such agreement on 60 days'
           written notice to the Company; and

       B.  That such agreement shall terminate automatically in the event of its
           "assignment" (as defined below).

       Section 6. The Plan may not be amended to increase materially the amount
that may be expended by a class of a Fund pursuant to the Plan without the
approval by a vote of a majority of the outstanding voting securities of such
class of such Fund, and no material amendment to the Plan shall be made unless
approved by vote of a majority of both (a) the Directors of the Company and (b)
the Qualified Directors, cast in person at a meeting (or meetings) called for
the purpose of voting on such approval.

       Section 7. While the Plan is in effect, the selection and nomination of
each Director who is not an "interested person" (as defined below) of the
Company shall be committed to the discretion of the Directors who are not
interested persons.

       Section 8. To the extent any payments made by the Fund pursuant to a
Servicing Agreement are deemed to be payments for the financing of any activity
primarily intended to result in the sale of shares within the context of Rule
12b-1 under the Act, such payments shall be deemed to have been approved
pursuant to this Plan.  Notwithstanding anything herein to the contrary, the
Fund shall not be obligated to make any payments under this Plan that exceed the
maximum amounts payable under Rule 2830 of the Conduct Rules of the National
Association of Securities Dealers, Inc.

       Section 9. The Company shall preserve copies of the Plan, each related
agreement and each report made pursuant to Section 4 hereof, for a period of not
less than six years from the date of the Plan, such agreement or such report, as
the case may be, the first two years in an easily accessible place.

       Section 10.  As used in the Plan, (a) the terms "interested person" and
"vote of a majority of the outstanding voting securities" shall have the
respective meanings specified in the Act and the rules and regulations
thereunder, subject to such exemption as may be granted by the Securities and
Exchange Commission and (b) the term "Qualified Directors" shall mean the

                                       2
<PAGE>
 
Directors of the Company who are not interested persons of the Company and have
no direct or indirect financial interest in the operation of the Plan or in any
agreements related to the Plan.

                                       3
<PAGE>
 
                                  APPENDIX A
                                  ----------

<TABLE>
<S>                                                               <C>
Asset Allocation Fund
  Class R                                                         0.25%

LifePath 2000 Fund
  Class R                                                         0.25%

LifePath 2010 Fund
  Class R                                                         0.25%

LifePath 2020 Fund
  Class R                                                         0.25%

LifePath 2030 Fund
  Class R                                                         0.25%

LifePath 2040 Fund
  Class R                                                         0.25%
</TABLE>


Approved:  October 28, 1998

                                      A-1

<PAGE>

                                                                  EXHIBIT 99.B18
                            MASTERWORKS FUNDS INC.
                          RULE 18F-3 MULTI-CLASS PLAN
                          ---------------------------

I.   INTRODUCTION
     ------------

     Pursuant to Rule 18f-3 under the Investment Company Act of 1940, as amended
(the "1940 Act"), the following sets forth the method for allocating fees and
expenses among each class of shares for the Asset Allocation, LifePath 2000,
LifePath 2010, LifePath 2020, LifePath 2030 and LifePath 2040 Funds (the "Multi-
Class Funds") of MasterWorks Funds Inc. (the "Company").  In addition, this Rule
18f-3 Multi-Class Plan (the "Plan") sets forth the maximum initial sales
charges, contingent deferred sales charges ("CDSCs"), Rule 12b-1 distribution
fees, shareholder servicing fees, conversion features, exchange privileges and
other shareholder services applicable to a particular class of shares of the
Funds.

     The Company is an open-end series investment company registered under the
1940 Act, the shares of which are registered on Form N-1A under the Securities
Act of 1933.  The Company elected to offer multiple classes of shares of the
Multi-Class Funds pursuant to the provisions of Rule 18f-3 and this Plan.  The
Company (Registration Nos. 33-54126 and 811-7332) currently offers or will offer
the following ten separate Funds:  Asset Allocation, Bond Index, LifePath 2000,
LifePath 2010, LifePath 2020, LifePath 2030, LifePath 2040, Money Market, S&P
500 Stock and U.S. Treasury Allocation Funds invests all of its assets in a
separate portfolio (each, a "Master Portfolio") of Master Investment Portfolio
or Managed Series Investment Trust, each an open-end management investment
company, rather than directly in a portfolio of securities.  Each Master
Portfolio has the same investment objective as the Fund that invests its assets
in the corresponding Master Portfolio.

     The Multi-Class Funds are authorized to issue the following classes of
shares representing interests in such Funds:

     (i)   Class I

     (ii)  Class R

     The differences between these classes are discussed below.

II.  ALLOCATION OF EXPENSES
     ----------------------

     Pursuant to Rule 18f-3 under the 1940 Act, the Company allocates to each
class of shares of a Multi-Class Fund (i) any fees and expenses incurred by the
Fund in connection with the distribution of such class of shares under a
distribution plan adopted for such class of shares pursuant to Rule 12b-1, and
(ii) any fees and expenses incurred by the Fund under a servicing plan in
connection with the provision of shareholder administrative or liaison services
to the holders of such class of shares. In addition, pursuant to Rule 18f-3, 

                                       1
<PAGE>
 
the Company may allocate the following fees and expenses to a particular class
of shares of each Multi-Class Fund:

     (i)    transfer agent fees identified by the transfer agent as being
            attributable to such class of shares;

     (ii)   printing and postage expenses related to preparing and distributing
            materials such as shareholder reports, notices, prospectuses,
            reports, and proxies to current shareholders of that class or to
            regulatory agencies with respect to such class of shares;

     (iii)  blue sky registration or qualification fees incurred by such class
            of shares;

     (iv)   Securities and Exchange Commission registration fees incurred by
            such class of shares;

     (v)    the expense of administrative personnel and services as required to
            support the shareholders of such class of shares;

     (vi)   litigation or other legal expenses relating solely to such class of
            shares; and

     (vii)  fees of the Company's Directors incurred as result of issues
            relating to such class of shares.

     The initial determination of the class expenses that are allocated by the
Company to a particular class of shares and any subsequent changes thereto will
be reviewed by the Board of Directors of the Company and approved by a vote of
the Directors of the Company, including a majority of the Directors who are not
interested persons of the Company.

     Income, realized and unrealized capital gains and losses, and any expenses
of a Multi-Class Fund not allocable to a particular class of the Fund pursuant
to the Plan shall be allocated to each class of the Fund based upon the relative
net asset value of that class in relation to the aggregate net asset value of
the Fund. In certain cases, Stephens, Barclays Global Fund Advisors or another
service provider for a Multi-Class Fund may waive or reimburse all or a portion
of the expenses of a specific class of shares of the Multi-Class Fund. The Board
of Directors will monitor any such waiver or reimbursements to ensure that they
do not provide a means for cross-subsidization between classes.

                                       2
<PAGE>
 
III. CLASS ARRANGEMENTS
     ------------------

     The following summarizes the maximum initial sales charges, CDSCs,
Rule 12b-1 distribution fees, shareholder servicing fees, conversion features,
exchange privileges and other shareholder services applicable to each class of
shares of the Multi-Class Funds.  Additional details regarding such fees and
services are set forth in the relevant Fund's current Prospectus and Statement
of Additional Information.

     A.   CLASS I SHARES
          --------------

          1.  Maximum Initial Sales Charge:  None
              ----------------------------       

          2.  Contingent Deferred Sales Charge:  None
              --------------------------------       

          3.  Maximum Annual Rule 12b-1 Distribution Fee:  None
              ------------------------------------------       

          4.  Maximum Annual Shareholder Servicing Fee:  0.20%
              ----------------------------------------        

          5.  Conversion Features:  None
              -------------------       

          6.  Exchange Privileges: Class I shares of any MasterWorks Fund may be
              -------------------
              exchanged for Class I shares of any other MasterWorks Fund, or for
              shares of the Company's single-class Funds.

          7.  Other Class-Specific Shareholders Services:  None
              ------------------------------------------       

     B.   CLASS R SHARES
          --------------

          1.  Maximum Initial Sales Charge:  None
              ----------------------------       

          2.  Contingent Deferred Sales Charge:  None
              --------------------------------       

          3.  Maximum Annual Rule 12b-1 Distribution Fee:  None
              ------------------------------------------       

          4.  Shareholder Servicing Fee:  0.20%
              -------------------------        

          5.  Conversion Features:  None
              -------------------       

          6.  Exchange Privileges: Class R shares of any Multi-Class Fund may be
              -------------------
              exchanged for shares of the same class of any other Fund, provided
              that if the other Fund charges a sales load on the purchase of its
              shares that is higher than the sales load paid in connection with
              the shares the investor is exchanging, the investor pays the
              difference.

          7.  Other Class-Specific Shareholder Services:  None
              -----------------------------------------       

                                       3
<PAGE>
 
IV.  BOARD REVIEW
     ------------

     The Boards of Directors of the Company shall review the Plan as it deems
necessary. Prior to any material amendments(s) to the Plan with respect to any
Multi-Class Fund's shares, the Company's Board of Directors, including a
majority of the Directors that are not interested persons of the Company, shall
find that the Plan, as proposed to be amended (including any proposed amendments
to the method of allocating class and/or Fund expenses), is in the best interest
of each class of shares of the Multi-Class Fund individually and the Multi-Class
Fund as a whole. In considering whether to approve any proposed amendment(s) to
the Plan, the Directors of the Company shall request and evaluate such
information as it considers reasonably necessary to evaluate the proposed
amendment(s) to the Plan.

Adopted by the Company effective October 28, 1998.

                                       4


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