ALLMERICA INVESTMENT TRUST
497, 1996-06-11
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<PAGE>
                           ALLMERICA INVESTMENT TRUST
 
                               440 Lincoln Street
                         Worcester, Massachusetts 01653
                                 (508) 855-1000
 
    Allmerica  Investment  Trust  (the  "Trust")  is  a  professionally managed,
open-end investment  company  designed  to  provide  the  underlying  investment
vehicles  for insurance related accounts. The  investment objectives of the five
separate portfolios of the Trust (collectively, the "Funds", and,  individually,
the "Fund") currently offered by this Prospectus are as follows:
 
        SELECT  INTERNATIONAL EQUITY  FUND seeks maximum  long-term total return
    (capital appreciation and income) primarily by investing in common stocks of
    established non-U.S. companies.
 
        SELECT AGGRESSIVE GROWTH FUND  seeks above-average capital  appreciation
    by  investing primarily in common stocks  of companies which are believed to
    have significant potential for capital appreciation.
 
        SELECT CAPITAL APPRECIATION FUND seeks long-term growth of capital in  a
    manner consistent with the preservation of capital. Realization of income is
    not  a significant investment  consideration and any  income realized on the
    Fund's investments will be incidental to its primary objective.
 
        SELECT GROWTH  FUND seeks  to  achieve long-term  growth of  capital  by
    investing  in a diversified portfolio  consisting primarily of common stocks
    selected on the basis of their long-term growth potential.
 
        SELECT INCOME FUND seeks a high  level of current income. The Fund  will
    invest primarily in investment grade, fixed-income securities.
 
    Currently,  shares of each  Fund may only be  purchased by separate accounts
("Separate Accounts") established  by First Allmerica  Financial Life  Insurance
Company  ("First Allmerica") for the purpose  of funding group annuity contracts
issued by  First Allmerica.  The  offering circular  for the  Separate  Accounts
should be read in conjunction with this Prospectus.
 
    This  Prospectus sets forth concisely the information about the Trust that a
prospective  investor  ought  to  know  before  investing.  Certain   additional
information  is contained in a Statement of Additional Information ("SAI") dated
April  29,  1996,  which  has  been  filed  vith  the  Securities  and  Exchange
Commission,  is incorporated herein by reference  and is available upon request,
without charge, from the Trust, 440  Lincoln Street, Worcester, MA 01653,  (508)
855-1000.
 
    THIS PROSPECTUS SHOULD BE READ AND RETAINED FOR FUTURE REFERENCE.
 
THESE  SECURITIES HAVE NOT  BEEN APPROVED OR DISAPPROVED  BY THE SECURITIES AND
 EXCHANGE  COMMISSION  OR  ANY  STATE  SECURITIES  COMMISSION  NOR  HAS   THE
   SECURITIES  AND EXCHANGE  COMMISSION OR ANY  STATE SECURITIES COMMISSION
     PASSED  UPON  THE  ACCURACY  OR  ADEQUACY  OF  THIS  PROSPECTUS.  ANY
                REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
Dated April 29, 1996, as supplemented June 7, 1996
<PAGE>
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                             PAGE
                                                                             ----
 
 <S>                                                                         <C>
 FINANCIAL HIGHLIGHTS......................................................    3
 HOW ARE THE FUNDS MANAGED?................................................    6
 WHAT ARE THE INVESTMENT OBJECTIVES AND POLICIES?..........................    6
   Select International Equity Fund........................................    7
   Select Aggressive Growth Fund...........................................    7
   Select Capital Appreciation Fund........................................    8
   Select Growth Fund......................................................    9
   Select Income Fund......................................................   11
 MANAGEMENT FEES AND EXPENSES..............................................   12
 FUND MANAGER INFORMATION..................................................   13
 HOW ARE SHARES VALUED?....................................................   15
 TAXES AND DISTRIBUTIONS TO SHAREHOLDERS...................................   15
 SALE AND REDEMPTION OF SHARES.............................................   16
 HOW IS PERFORMANCE DETERMINED?............................................   16
 ORGANIZATION AND CAPITALIZATION OF THE TRUST..............................   17
 INVESTMENT RESTRICTIONS...................................................   17
 CERTAIN INVESTMENT STRATEGIES AND POLICIES................................   17
 APPENDIX..................................................................   24
</TABLE>
 
                                       2
<PAGE>
                              FINANCIAL HIGHLIGHTS
 
    The  following financial  highlights have  been audited  by Price Waterhouse
LLP, independent accountants of  the Trust. This information  should be read  in
conjunction  with the financial statements and notes thereto which appear in the
Policyholders' Annual Report ("Annual Report")  for the year ended December  31,
1995,  and  which  are incorporated  by  reference  in the  Funds'  SAI. Further
information about the performance of the Trust is contained in the Annual Report
which may  be  obtained without  charge  from  the Trust,  440  Lincoln  Street,
Worcester, MA 01653, (508) 855-1000.
 
                                       3
<PAGE>
                           ALLMERICA INVESTMENT TRUST
                              FINANCIAL HIGHLIGHTS
                  FOR A SHARE OUTSTANDING THROUGHOUT EACH YEAR
 
<TABLE>
<CAPTION>
                                             SELECT INTERNATIONAL
                                                  EQUITY FUND                    SELECT AGGRESSIVE GROWTH FUND
                                           -------------------------    ------------------------------------------------
                                            YEAR ENDED DECEMBER 31,                 YEAR ENDED DECEMBER 31,
                                           -------------------------    ------------------------------------------------
                                             1995          1994 (1)       1995         1994         1993       1992 (2)
                                           ---------       ---------    ---------    ---------    ---------    ---------
<S>                                        <C>             <C>          <C>          <C>          <C>          <C>
Net Asset Value, Beginning of year......   $  0.963        $  1.000     $  1.397     $  1.431     $  1.197     $  1.000
                                           ---------       ---------    ---------    ---------    ---------    ---------
Income from Investment Operations:
  Net investment income (loss)..........      0.013           0.003(A)    (0.001)      (0.002)       0.001(B)     0.001(B)
  Net realized and unrealized gain
   (loss) on investments................      0.176          (0.038)       0.452       (0.032)       0.234        0.197
                                           ---------       ---------    ---------    ---------    ---------    ---------
    Total from Investment Operations....      0.189          (0.035)       0.451       (0.034)       0.235        0.198
                                           ---------       ---------    ---------    ---------    ---------    ---------
 
Less Distributions:
  Dividends from net investment
   income...............................     (0.011)         (0.001)       --           --          (0.001)      (0.001)
  Distributions from net realized
   capital gains........................     (0.005)         (0.001)       --           --           --           --
                                           ---------       ---------    ---------    ---------    ---------    ---------
    Total Distributions.................     (0.016)         (0.002)       --           --          (0.001)      (0.001)
                                           ---------       ---------    ---------    ---------    ---------    ---------
Net increase (decrease) in net asset
 value..................................      0.173          (0.037)       0.451       (0.034)       0.234        0.197
                                           ---------       ---------    ---------    ---------    ---------    ---------
Net Asset Value, End of year............   $  1.136        $  0.963     $  1.848     $  1.397     $  1.431     $  1.197
                                           ---------       ---------    ---------    ---------    ---------    ---------
                                           ---------       ---------    ---------    ---------    ---------    ---------
Total Return (C)........................      19.63%          (3.49)%*     32.28%       (2.31)%      19.51%       19.85%*
 
Ratios/Supplemental Data:
Net Assets, End of year (000's).........   $104,312        $ 40,498     $254,872     $136,573     $ 66,251     $  9,270
 
Ratios to average net assets:
  Net investment income (loss)..........       1.68%           0.87%+      (0.07)%      (0.21)%       0.10%        0.34%+
  Operating expenses....................       1.24%           1.50%+(A)     1.09%       1.16%        1.19%(B)     1.35%+(B)
  Gross management fee..................       1.00%           1.00%+       1.00%        1.00%        1.00%      N/A
  Net management fee....................       1.00%           0.72%+       1.00%        1.00%        0.96%      N/A
Portfolio Turnover Rate.................         24%             19%         104%         100%          76%          33%
</TABLE>
 
- ----------------------------------
+   Annualized.
*   Not Annualized.
(1) The Fund commenced operations on May 2, 1994.
(2) The Fund commenced operations on August 21, 1992.
(A)  Net investment income per share  and the annualized operating expense ratio
    before reimbursement of fees by the investment adviser for the period  ended
    December 31, 1994 were $0.002 and 1.78%, respectively.
(B)  Net investment  income per  share and  the operating  expense ratios before
    reimbursement of fees by the investment adviser for the years ended December
    31, 1993 and 1992 were $0.000 and 1.23% and $(0.001) and 1.88% (annualized),
    respectively.
(C) Total Return does  not reflect fees charged  on the Separate Account  level.
    Refer  to  the prospectus  of the  specific insurance  product for  such fee
    information.
 
                       See Notes to Financial Statements
 
                                       4
<PAGE>
                           ALLMERICA INVESTMENT TRUST
                              FINANCIAL HIGHLIGHTS
                  FOR A SHARE OUTSTANDING THROUGHOUT EACH YEAR
<TABLE>
<CAPTION>
 
<S>
Net Asset Value, Beginning of year......
Income from Investment Operations:
  Net investment income (loss)..........
  Net realized and unrealized gain
   (loss) on investments................
    Total from Investment Operations....
 
Less Distributions:
  Dividends from net investment
   income...............................
  Distributions from net realized
   capital gains........................
  Distributions in excess of net
   investment income....................
    Total Distributions.................
Net increase (decrease) in net asset
 value..................................
Net Asset Value, End of year............
Total Return (D)........................
 
Ratios/Supplemental Data:
Net Assets, End of year (000's).........
 
Ratios to average net assets:
  Net investment income (loss)..........
  Operating expenses....................
  Gross management fee..................
  Net management fee....................
Portfolio Turnover Rate.................
 
<CAPTION>
                                                                                                                SELECT
                                                                                                                INCOME
                                                                                                                 FUND
                                              SELECT                                                           ---------
                                             CAPITAL
                                           APPRECIATION                   SELECT GROWTH FUND                     YEAR
                                               FUND        ------------------------------------------------      ENDED
                                           ------------                                                        DECEMBER
                                           PERIOD ENDED                YEAR ENDED DECEMBER 31,                    31,
                                           DECEMBER 31,    ------------------------------------------------    ---------
                                             1995 (1)        1995         1994         1993       1992 (2)       1995
                                           ------------    ---------    ---------    ---------    ---------    ---------
<S>
Net Asset Value, Beginning of year......   $     1.000     $  1.099     $  1.119     $  1.111     $  1.008     $  0.930
                                           ------------    ---------    ---------    ---------    ---------    ---------
Income from Investment Operations:
  Net investment income (loss)..........        (0.001)(A)    --           0.003        0.001(B)     0.001(B)     0.060(C)
  Net realized and unrealized gain
   (loss) on investments................         0.397        0.270       (0.020)       0.008        0.111        0.095
                                           ------------    ---------    ---------    ---------    ---------    ---------
    Total from Investment Operations....         0.396        0.270       (0.017)       0.009        0.112        0.155
                                           ------------    ---------    ---------    ---------    ---------    ---------
Less Distributions:
  Dividends from net investment
   income...............................       --             --          (0.003)      (0.001)      (0.001)      (0.060)
  Distributions from net realized
   capital gains........................        (0.027)       --           --           --           --           --
  Distributions in excess of net
   investment income....................       --             --           --           --           --          (0.001)
                                           ------------    ---------    ---------    ---------    ---------    ---------
    Total Distributions.................        (0.027)       --          (0.003)      (0.001)      (0.001)      (0.061)
                                           ------------    ---------    ---------    ---------    ---------    ---------
Net increase (decrease) in net asset
 value..................................         0.369        0.270       (0.020)       0.008        0.111        0.094
                                           ------------    ---------    ---------    ---------    ---------    ---------
Net Asset Value, End of year............   $     1.369     $  1.369     $  1.099     $  1.119     $  1.111     $  1.024
                                           ------------    ---------    ---------    ---------    ---------    ---------
                                           ------------    ---------    ---------    ---------    ---------    ---------
Total Return (D)........................         39.56%*      24.59%       (1.49)%       0.84%       11.25%*      16.96%
Ratios/Supplemental Data:
Net Assets, End of year (000's).........   $    41,376     $143,125     $ 88,263     $ 53,854     $  9,308     $ 60,368
Ratios to average net assets:
  Net investment income (loss)..........         (0.25)%+      0.02%        0.37%        0.15%        0.40%+       6.24%
  Operating expenses....................          1.35%+(A)     0.97%       1.03%        1.05%(B)     1.20%+(B)     0.79%(C)
  Gross management fee..................          1.00%+       0.85%        0.85%        0.85%      N/A            0.60%
  Net management fee....................          0.93%+       0.85%        0.85%        0.82%      N/A            0.59%
Portfolio Turnover Rate.................            95%          51%          55%          65%           3%         131%
 
<CAPTION>
 
                                            1994         1993       1992 (2)
                                          ---------    ---------    ---------
Net Asset Value, Beginning of year......  $  1.035     $  0.988     $  1.000
                                          ---------    ---------    ---------
Income from Investment Operations:
  Net investment income (loss)..........     0.055(C)     0.052(C)     0.018(C)
  Net realized and unrealized gain
   (loss) on investments................    (0.105)       0.055       (0.012)
                                          ---------    ---------    ---------
    Total from Investment Operations....    (0.050)       0.107        0.006
                                          ---------    ---------    ---------
Less Distributions:
  Dividends from net investment
   income...............................    (0.055)      (0.052)      (0.018)
  Distributions from net realized
   capital gains........................     --           --           --
  Distributions in excess of net
   investment income....................     --           --           --
                                          ---------    ---------    ---------
    Total Distributions.................    (0.055)      (0.060)      (0.018)
                                          ---------    ---------    ---------
Net increase (decrease) in net asset
 value..................................    (0.105)       0.047       (0.012)
                                          ---------    ---------    ---------
Net Asset Value, End of year............  $  0.930     $  1.035     $  0.988
                                          ---------    ---------    ---------
                                          ---------    ---------    ---------
Total Return (D)........................     (4.82)%      10.95%        0.62%
Ratios/Supplemental Data:
Net Assets, End of year (000's).........  $ 40,784     $ 25,302     $  5,380
Ratios to average net assets:
  Net investment income (loss)..........      6.07%        5.91%        5.38%+
  Operating expenses....................      0.83%(C)     0.91%(C)     1.00%(C)
  Gross management fee..................      0.60%        0.60%      N/A
  Net management fee....................      0.58%        0.43%      N/A
Portfolio Turnover Rate.................       105%         171%         119%
</TABLE>
 
- ----------------------------------
+   Annualized.
*   Not Annualized.
(1) The Fund commenced operations on April 28, 1995.
(2) The Fund commenced operations on August 21, 1992.
(A) Net  investment income  per  share and  annualized operating  expense  ratio
    before  reimbursement of fees by the investment adviser for the period ended
    December 31, 1995 were $(0.001) and 1.42%, respectively.
(B) Net investment  income per  share and  the operating  expense ratios  before
    reimbursement of fees by the investment adviser for the years ended December
    31,  1993 and 1992 were $0.001 and  1.08% and $0.000 and 1.72% (annualized),
    respectively.
(C) Net investment  income per  share and  the operating  expense ratios  before
    reimbursement of fees by the investment adviser for the years ended Decenber
    31,  1995, 1994,  1993 and  1992 were  $0.060 and  0.60%, $0.055  and 0.85%,
    $0.050 and 1.08% amd $0.015 and 1.51% (annualized), respectively.
(D) Total Return does  not reflect fees charged  on the Separate Account  level.
    Refer  to  the prospectus  of the  specific insurance  product for  such fee
    information.
 
                       See Notes to Financial Statements
 
                                       5
<PAGE>
                           HOW ARE THE FUNDS MANAGED?
 
    The overall responsibility for the supervision  of the affairs of the  Trust
vests  in the  Board of  Trustees of the  Trust who  meet on  a quarterly basis.
Allmerica Investment Management Company, Inc. (the "Manager") is responsible for
the management  of  the Trust's  day-to-day  business affairs  and  has  general
responsibility  for the management of the investments of the Funds. The Manager,
at  its  expense,  has  contracted  with  certain  Sub-Advisers  to  manage  the
investments  of the Funds subject to  the requirements of the Investment Company
Act of 1940 (the "1940 Act").
 
    The Manager  is  a  wholly-owned  subsidiary  of  First  Allmerica,  a  life
insurance  company, which was  organized in Massachusetts  in 1844. The Manager,
organized August 19,  1985, also serves  as manager of  the Allmerica Funds,  an
open-end  investment company. The Manager and First Allmerica are located at 440
Lincoln Street, Worcester, Massachusetts 01653.
 
    The Manager has entered  into Sub-Adviser Agreements  for the management  of
the  investments of each of the Funds.  The Sub-Advisers, who have been selected
on the basis  of various  factors, including  management experience,  investment
techniques and staffing, are each authorized to engage in portfolio transactions
on  behalf  of  the  applicable  Funds  subject  to  such  general  or  specific
instructions as may be given by the Trustees and/or the Manager. The terms of  a
Sub-Adviser  Agreement  cannot be  changed without  the  approval of  a majority
interest of the shareholders  of the affected Fund.  The Sub-Advisers have  been
selected  by the Manager and  the Trustees in consultation  with Rogers, Casey &
Associates ("Rogers, Casey"),  a leading  pension consulting firm.  The cost  of
such consultation is borne by the Manager.
 
    Rogers,  Casey provides  consulting services  to pension  plans representing
over $150 billion in total assets and, in its consulting capacity, monitors  the
investment  performance of  over 1,000  investment advisers.  From time  to time
specific clients of Rogers, Casey and the Sub-Advisers will be provided in sales
materials.  At  times,  Rogers,  Casey  assists  in  the  development  of  asset
allocation  strategies which may be used  by shareholders in the diversification
of their portfolio across different asset classes.
 
    Ongoing  performance  of  the  independent  Sub-Advisers  is  monitored  and
evaluated  by a  committee whose  members may  include senior  officers of First
Allmerica,  its  affiliates  or  the  Manager  and  an  independent  consultant.
Combined,  the committee has over 150 years of investment experience. Historical
performance data for all of the Funds is set forth in the "Financial Highlights"
tables starting on Page 3. The Manager is solely responsible for the payment  of
all  fees to  the Sub-Advisers. The  Sub-Advisers for  each of the  Funds are as
follows:
 
<TABLE>
<S>                                     <C>
Select International Equity Fund        Bank of Ireland Asset Management (U.S.)
                                        Limited
Select Aggressive Growth Fund           Nicholas-Applegate Capital Management
Select Capital Appreciation Fund        Janus Capital Corporation
Select Growth Fund                      Provident Investment Counsel (through
                                        June 30, 1996)
                                        Putnam Investment Management, Inc.
                                        (commencing on or about July 1, 1996)
Select Income Fund                      Standish, Ayer & Wood, Inc.
</TABLE>
 
    For  a  sample  listing  of  the  Sub-Advisers'  clients,  see   "Investment
Management  and Other Services" in the SAI.  For more information on each of the
Sub-Advisers see "What Are  the Investment Objectives  and Policies?" and  "Fund
Manager Information."
 
    The  Manager also has entered into an Administrative Services Agreement with
First  Data  Investor  Services  Group,  Inc.  ("First  Data"),  a  wholly-owned
subsidiary of First Data Corporation, whereby First Data performs administrative
services  for each of the Funds and is entitled to receive an administrative fee
and certain out-of-pocket expenses.  The Manager is  solely responsible for  the
payment of the administrative fee to First Data.
 
                WHAT ARE THE INVESTMENT OBJECTIVES AND POLICIES?
 
    Each  Fund has a separate investment objective and policies designed to meet
different investment  and  financial needs,  as  described below.  There  is  no
assurance that a Fund will achieve its investment objective.
 
                                       6
<PAGE>
    Each  Fund  may invest  up  to 15%  of its  assets  in securities  which are
illiquid because they are subject to  restriction on resale or for which  market
quotations  are not readily available. The Select Aggressive Growth Fund, Select
Growth Fund and Select Income  Fund may each invest up  to 25% of its assets  in
foreign  securities  (not  including  its  investments  in  American  Depositary
Receipts ("ADRs"))  and the  Select  International Equity  Fund and  the  Select
Capital  Appreciation  Fund may  each  invest any  percentage  of its  assets in
foreign securities. See "Certain Investment Strategies and Policies." The Select
Growth Fund  may invest  up to  35% of  its assets  in fixed-income  securities,
including  not more than 15% in  lower-rated securities, commonly known as "junk
bonds." The Select Capital Appreciation Fund may invest up to 35% of its  assets
in  such  lower-rated securities.  Fixed-income securities  rated in  the fourth
highest grade  by Moody's  Investors  Service, Inc.  ("Moody's") or  Standard  &
Poor's  Ratings Service, a division of  McGraw-Hill Companies, Inc. ("S&P") (Baa
and BBB, respectively)  are investment  grade but  are considered  to have  some
speculative characteristics. Lower-rated securities or "junk bonds" (rated Ba/BB
or  lower) involve the risks discussed  under "Certain Investment Strategies and
Policies." For more information concerning the rating categories of fixed-income
securities see the Appendix.
 
    A Fund's investment objective is fundamental and may not be changed  without
shareholder  approval. Unless otherwise indicated,  a Fund's investment policies
are not fundamental and may be changed without shareholder approval.
 
SELECT INTERNATIONAL EQUITY FUND
 
    INVESTMENT OBJECTIVE:   The Select International  Equity Fund seeks  maximum
long-term  total return (capital appreciation and income) primarily by investing
in common stocks of established non-U.S. companies.
 
    SUB-ADVISER:   Bank  of Ireland  Asset  Management (U.S.)  Limited  ("BIAM")
serves  as  Sub-Adviser for  the Select  International Equity  Fund. BIAM  is an
indirect wholly-owned subsidiary of Bank of Ireland. Its main offices are at  26
Fitzwilliam  Place, Dublin  2, Ireland.  Its U.S.  offices are  at Two Greenwich
Plaza, Greenwich,  C T  06830. Bank  of Ireland  provides investment  management
services  through a network of sister companies, including BIAM which represents
North American  clients.  As of  December  31,  1995, Bank  of  Ireland  managed
approximately  $15  billion  in  global securities  for  Irish,  United Kingdom,
European and U.S. clients.
 
    INVESTMENT POLICIES:   To achieve  its objective,  the Select  International
Equity  Fund  will invest  primarily in  common  stocks of  established non-U.S.
companies. Under normal  market conditions, at  least 65 %  of the Fund's  total
assets  will be invested  in the securities  of companies domiciled  in at least
five foreign  countries, not  including the  United States.  The Fund  may  also
acquire  fixed income debt securities. It will do so, at the discretion of BIAM,
primarily for defensive purposes.
 
    The  Fund's  investments  may  include  ADRs  which  may  be  sponsored   or
unsponsored  by  the  underlying  issuer. The  Fund  may  also  utilize European
Depositary Receipts  ("EDRs"),  which  are  similar to  ADRs,  in  bearer  form,
designed  for  use  in the  European  securities markets  and  Global Depositary
Receipts ("GDRs"). Investments in foreign securities carry additional risks  not
present in domestic securities. See "Certain Investment Strategies and Policies-
Foreign  Securities. " The Fund may, for hedging purposes, engage in the options
and futures  strategies  described  under  "Certain  Investment  Strategies  and
Policies."   Certain   state   insurance  regulations   may   impose  additional
restrictions on the Fund's holdings of foreign securities.
 
    For the fiscal year ended December 31, 1995, the portfolio turnover rate for
the Fund was 24%. The portfolio turnover rate for the Fund may vary greatly from
year to year.
 
SELECT AGGRESSIVE GROWTH FUND
 
    INVESTMENT OBJECTIVE:  The Select Aggressive Growth Fund seeks above-average
capital appreciation by investing primarily in common stocks of companies  which
are believed to have significant potential for capital appreciation.
 
    SUB-ADVISER:    Nicholas-Applegate  Capital  Management  ("NACM")  serves as
Sub-Adviser to the Select Aggressive Growth Fund. NACM is an investment  manager
supervising  accounts  with  approximately $29  billion  in total  assets  as of
December 31, 1995. NACM's clients are primarily major corporate employee benefit
funds, public  employee  retirement  plans,  foundations  and  endowment  funds,
investment  companies and individuals.  Founded in 1984, NACM  is located at 600
West Broadway, Suite 2900, San Diego, California 92101.
 
                                       7
<PAGE>
    INVESTMENT POLICIES:  Under normal circumstances, at least 65% of the assets
of the Select  Aggressive Growth  Fund will  be invested  in equity  securities,
consisting   of  common  stocks,  securities   convertible  into  common  stocks
(including bonds, notes and  preferred stocks) and  warrants. The Fund's  assets
may  also be invested  in other debt  securities and preferred  stocks when such
securities are believed appropriate in light of the Fund's investment  objective
and market conditions.
 
    The  selection of securities is made solely  on the basis of their potential
for capital appreciation. Dividend and  interest income, if any, from  portfolio
securities  is incidental to the  Fund's investment objective. While investments
may be made in  well-known and established companies,  a significant portion  of
the  Fund's investments is expected to be  in securities of newer and relatively
unseasoned companies or companies which represent new or changing industries.
 
    At any given point  a substantial portion of  the Fund's equity  investments
may  be in securities  which are not  listed for trading  on national securities
exchanges  and  which,  although  publicly  traded,  may  be  less  liquid  than
securities  issued by  larger, more seasoned  companies which  trade on national
securities exchanges.  Up  to  15% of  the  Fund's  assets may  be  invested  in
restricted or illiquid securities.
 
    Securities  of newer companies may be closely held with only a small portion
of their outstanding securities owned by the general public. Newer companies may
have relatively small revenue, lack depth  of management and have a small  share
of  the market for their products or services; thus, they may be more vulnerable
to changes  in  economic  conditions,  market  fluctuations  and  other  factors
affecting  the profitability  or marketability  of companies.  Due to  these and
other factors, the  price movement of  the securities  held by the  Fund can  be
expected to be more volatile than is the case for the market as a whole, and the
net   asset  value  of  a  share   of  the  Fund  may  fluctuate  significantly.
Consequently, the Fund should not be  considered suitable for investors who  are
unable  or unwilling to assume the risk of loss inherent in an aggressive growth
portfolio, nor  should  investment in  the  Fund  be considered  a  balanced  or
complete investment proram.
 
    When  NACM determines that  market conditions warrant  a temporary defensive
position, the Fund  may invest  without limitation  in high-grade,  fixed-income
securities,  U.S.  Government  securities,  or  hold  assets  in  cash  or  cash
equivalents. The  Fund may,  for hedging  purposes, engage  in the  options  and
futures strategies described under "Certain Investment Strategy and Policies."
 
    For the fiscal year ended December 31, 1995, the portfolio turnover rate for
the   Fund  was  104%.  The  portfolio   turnover  rate  was  104%  because  the
Sub-Adviser's investment approach typically  results in above-average  portfolio
turnover  as securities are  sold when the Sub-Adviser  believes the reasons for
their initial purchase are no longer valid or when it believes that the sale  of
a  security owned by the  Fund and the purchase  of another security can enhance
return. A security may be sold to avoid a prospective decline in market value or
purchased in  anticipation of  a market  rise. Although  it is  not possible  to
predict  future portfolio  turnover rates  accurately, and  such rates  may vary
greatly from year to year, NACM  anticipates that the annual portfolio  turnover
generally  will  not exceed  100%. A  high portfolio  turnover rate  will likely
result in greater brokerage costs to the Fund.
 
SELECT CAPITAL APPRECIATION FUND
 
    INVESTMENT OBJECTIVE:  The Select Capital Appreciation Fund seeks  long-term
growth  of  capital in  a manner  consistent with  the preservation  of capital.
Realization of  income is  not a  significant investment  consideration and  any
income  realized on  the Fund's  investments will  be incidental  to its primary
objective.
 
    SUB-ADVISER:  Janus Capital Corporation ("JCC") serves as Sub-Adviser to the
Select Capital Appreciation Fund.  JCC has served as  investment adviser to  the
Janus  Fund since 1969 and currently serves  as investment adviser to all of the
Janus retail funds, as well as adviser or sub-adviser to other mutual funds  and
individual,  corporate, charitable and retirement accounts. Kansas City Southern
Industries, Inc. ("KCSI") owns approximately 83% of the outstanding voting stock
of JCC. KCSI is a publicly traded holding company whose primary subsidiaries are
engaged in transportation and financial services.  As of December 31, 1995,  JCC
had  approximately $30 billion in total  assets under management. JCC is located
at 100 Fillmore Street, Denver, Colorado 80206-4923.
 
    INVESTMENT POLICIES:  The Fund invests in common stocks when the Sub-Adviser
believes that the  relevant market  environment favors  profitable investing  in
those    securities.   The    Fund   pursues    its   objective    by   normally
 
                                       8
<PAGE>
investing at least 50% of its equity assets in securities issued by medium-sized
companies. Medium-sized companies  are those whose  market capitalizations  fall
within  the range of companies in the S&P MidCap 400 Index (the "MidCap Index").
Companies whose capitalization falls outside this range after the Fund's initial
purchase continue to  be considered  medium-sized companies for  the purpose  of
this  policy. As of December 29, 1995,  the MidCap Index included companies with
capitalizations between approximately $118 million to $7.5 billion. The range of
the MidCap Index is expected to change on a regular basis. Subject to the  above
policy,  the Fund  may also  invest in smaller  or larger  issuers. Common stock
investments are  selected  in  industries and  companies  that  the  Sub-Adviser
believes  are experiencing favorable demand for their products and services, and
which operate in a favorable competitive environment and regulatory climate. The
Sub-Adviser's analysis and  selection process  focuses on  stocks with  earnings
growth  potential that may not be recognized  by the market. Such securities are
selected solely for their capital growth  potential; investment income is not  a
consideration. Medium-sized companies may suffer more significant losses as well
as realize more substantial growth than larger issues; thus, investments in such
companies tend to be more volatile and somewhat speculative.
 
    The  selection  criteria for  domestic issuers  apply  equally to  stocks of
foreign issuers.  In addition,  factors such  as expected  levels of  inflation,
government  policies influencing  business conditions, the  outlook for currency
relationships, and  prospects  for  relative economic  growth  among  countries,
regions  or  geographic areas  may  warrant greater  consideration  in selecting
foreign stocks. The Fund  may invest without  limitation in foreign  securities.
The  Fund  may  invest directly  in  foreign securities  denominated  in foreign
currency and  not  publicly traded  in  the United  States.  The Fund  also  may
purchase foreign securities through ADRs, EDRs, GDRs and other types of receipts
or  shares  evidencing  ownership  of  the  underlying  foreign  securities.  In
addition, the Fund may invest  indirectly in foreign securities through  foreign
investment  funds or  trusts (including  passive foreign  investment companies).
Certain state insurance  regulations may impose  additional restrictions on  the
Fund's  holdings of foreign securities.  Investments in foreign securities carry
additional risks not  present in  domestic securities.  See "Certain  Investment
Strategies and Policies -- Foreign Securities."
 
    Although  the Fund normally  invests primarily in  common stocks, the Fund's
cash position may increase when the  Sub-Adviser is unable to locate  investment
opportunities  with  desirable risk/reward  characteristics.  The Fund  also may
invest in preferred stocks, warrants, government securities, corporate bonds and
debentures, high-grade commercial  papers, certificates of  deposit, other  debt
securities  or repurchase  agreement or  reverse repurchase  agreements when the
Sub-Adviser perceives an opportunity for capital growth from such securities  or
so that the Fund may receive a return on its idle cash. The Fund also may invest
in  debt securities rated below investment  grade, which involve risks discussed
under "Certain Investment  Strategies and  Policies." When the  Fund invests  in
such  securities, investment  income will  increase and  may constitute  a large
portion of  the return  realized by  the Fund  and the  Fund probably  will  not
participate  in market advances  or declines to  the extent that  it would if it
remained fully invested in common stocks.
 
    The Fund may  invest in "special  situations" from time  to time. A  special
situation  arises when, in the  opinion of the Sub-Adviser,  the securities of a
particular issuer will be recognized and  appreciate in value due to a  specific
development  with  respect  to  that  issuer.  Developments  creating  a special
situation might include, among others, a new product or process, a technological
breakthrough, a management  change or  other extraordinary  corporate event,  or
differences  in  market supply  of and  demand for  the security.  Investment in
special situations may carry an  additional risk of loss  in the event that  the
anticipated  development  does  not  occur  or  does  not  attract  the expected
attention.
 
    The Fund may, for hedging purposes, engage in options and futures strategies
and  may  utilize  forward  contracts,  interest  rate  swaps  and  swap-related
products. See "Certain Investment Strategies and Policies."
 
    For  the  fiscal  period  April 28,  1995  (commencement  of  operations) to
December 31,  1995,  the portfolio  turnover  rate for  the  Fund was  95%.  The
portfolio turnover rate for the Fund may vary from year to year.
 
SELECT GROWTH FUND
 
    INVESTMENT  OBJECTIVE:   The Select Growth  Fund seeks  to achieve long-term
growth of capital by investing  in a diversified portfolio consisting  primarily
of common stocks selected on the basis of their long-term growth potential.
 
    SUB-ADVISER:   Provident Investment Counsel ("PIC") serves as Sub-Adviser to
the Select Growth Fund. PIC has been an investment manager for over 40 years. As
of   December    31,    1995,   PIC    had    assets   under    management    of
 
                                       9
<PAGE>
approximately  $18 billion. PIC  provides investment advisory  services to major
corporate  retirement  plans,  public  employee  retirement  plans,   investment
companies  and foundation  and endowment funds.  PIC, located at  300 North Lake
Avenue, Pasadena, California 91101, is a wholly owned subsidiary of United Asset
Management Corporation,  a Boston-based  professional services  holding  company
listed on the New York Stock Exchange.
 
    Effective  on  or about  July 1,  1996,  Putnam Investment  Management, Inc.
("Putnam Management") will replace PIC as Sub-Adviser to the Select Growth  Fund
pursuant  to a new Sub-Adviser Agreement which has been approved by the Trustees
of the Trust. A special meeting of the Fund's shareholders will be held prior to
October 28, 1996, to approve the Sub-Adviser Agreement between Putnam Management
and the Manager.
 
    Putnam Management and its affiliates managed over $142 billion in assets  as
of  April 30, 1996. Putnam Management has been managing mutual funds since 1937.
Putnam Management serves as the investment  manager for the funds in the  Putnam
family,   with  approximately  $107  billion  in  assets  in  over  5.7  million
shareholder accounts as of April 30, 1996. The Putnam Advisory Company, Inc., an
affiliate, manages  domestic  and  foreign institutional  accounts  and  foreign
mutual  funds.  Another  affiliate,  Putnam  Fiduciary  Trust  Company, provides
investment advice  to  institutional clients  under  its banking  and  fiduciary
powers.
 
    Putnam Management's principal offices are located at One Post Office Square,
Boston,  Massachusetts  02109. Putnam  is  a wholly-owned  subsidiary  of Putnam
Investments, Inc., a holding company  which is in turn  wholly owned by Marsh  &
McLennan  Companies,  Inc., a  publicly  owned holding  company  whose principal
businesses are  international  insurance  and  reinsurance  brokerage,  employee
benefit consulting and investment management.
 
    INVESTMENT  POLICIES:  The Select Growth  Fund seeks to attain its objective
by investing in securities of companies that appear to have favorable  long-term
growth  characteristics.  Potential for  long-term  growth is  the determinative
factor in the selection of portfolio securities. Although the Fund may invest in
dividend-paying stocks, the generation of current income is not an objective  of
the  Fund. Any income that is received  is incidental to the Fund's objective of
long-term growth of  capital. When  choosing securities for  the portfolio,  the
Sub-Adviser  focuses on companies that  display strong financial characteristics
and earnings growth potential.
 
    At least 65% of  the Fund's assets under  normal conditions will consist  of
growth-oriented  common stocks.  The Fund  may invest  in common  stock of large
well-known companies  as  well  as smaller  growth  companies,  which  generally
include companies with a market capitalization of $500 million or less ("Smaller
Growth  Companies"). The stocks of Smaller Growth Companies may involve a higher
degree of risk than  other types of  securities and the  price movement of  such
securities can be expected to be more volatile than is the case of the market as
a  whole.  The Fund  may  hold stocks  traded  on one  or  more of  the national
exchanges as well as in the over-the-counter markets. Because opportunities  for
capital  growth may exist not only in new and expanding areas of the economy but
also in mature and cyclical industries, the Fund's portfolio investments are not
limited to  any  particular type  of  company or  industry.  The Fund  may  also
purchase convertible bonds and preferred stocks, warrants and debt securities if
the  Fund's Sub-Adviser believes they would help achieve the Fund's objective of
long-term growth.
 
    The Fund  may invest  up  to 35%  of its  assets  in both  higher-rated  and
lower-rated fixed-income securities in seeking its objective of long-term growth
of  capital. The  dollar average  weighted maturity  of the  Fund's fixed-income
securities  will  vary  depending  on,   among  other  things,  current   market
conditions.  The  Fund  may  invest  up to  15%  of  its  assets  in lower-rated
securities, commonly known as "junk bonds", which involve risks discussed  under
"Certain  Investment Strategies  and Policies." For  more information concerning
the rating  categories of  corporate debt  securities see  the Appendix  to  the
Prospectus.
 
    When  the Sub-Adviser determines that  market conditions warrant a temporary
defensive position,  the  Fund  may invest  without  limitation  in  high-grade,
fixed-income  securities, U.S. Government securities, or  hold assets in cash or
cash equivalents. To the extent the Fund is so invested it is not achieving  its
objective  to the  same degree  as under  normal conditions.  The Fund  may, for
hedging purposes, engage in the  options and futures strategies described  under
"Certain Investment Strategies and Policies".
 
    The  Select Growth Fund's  objective of seeking  long-term growth of capital
means that its  assets generally will  be subject  to greater risk  than may  be
involved in investing in securities that are not selected for growth potential.
 
                                       10
<PAGE>
    For the fiscal year ended December 31, 1995, the portfolio turnover rate for
the Fund was 51%. The portfolio turnover for the Fund may vary greatly from year
to year.
 
SELECT INCOME FUND
 
    INVESTMENT  OBJECTIVE:  The Select Income Fund seeks a high level of current
income. The  Fund  will  invest  primarily  in  investment  grade,  fixed-income
securities.
 
    SUB-ADVISER:   Standish, Ayer & Wood,  Inc. ("SAW") serves as Sub-Adviser to
the Select Income Fund. SAW was founded in 1933 to provide investment management
services to high  net worth  individuals and  institutions. As  of December  31,
1995,  total  client assets  exceeded  $29.4 billion.  SAW  manages fixed-income
portfolios  for  major  corporate  and  governmental  pension  plans,  financial
institutions and endowment and foundation funds. Through its affiliate, Standish
International  Investment  Management  Company, L.P.,  SAW  offers international
investment services. SAW is an  independent investment counseling firm owned  by
its  twenty-three directors who are active with  the firm. SAW is located at One
Financial Center, Boston, Massachusetts 02111.
 
    INVESTMENT POLICIES:  Under normal circumstances, at least 65% of the Select
Income Fund's assets, at the time of investment, will be invested in  investment
grade  corporate  debt  securities and  securities  issued or  guaranteed  as to
principal  or   interest   by  the   U.S.   Government  or   its   agencies   or
instrumentalities.  Investment grade corporate debt securities are: (a) assigned
a rating within the four highest grades (Baa/BBB or higher) by either Moody's or
S&P; (b) equivalently rated by another nationally recognized statistical  rating
organization  ("NRSRO");  or  (c)  unrated  securities  but  determined  by  the
Sub-Adviser to be of comparable quality. Securities rated in the fourth  highest
grade  (rated Baa and  BBB by Moody's  and S&P, respectively)  are considered to
have some  speculative  characteristics.  The  Fund  will  not  invest  in  debt
securities  rated below  investment grade (Ba/BB  or lower) by  both Moody's and
S&P. For more  information concerning  the rating categories  of corporate  debt
securities  and commercial paper, see the  Appendix to the Prospectus. The types
of securities in which the Fund  invests are corporate debt obligations such  as
bonds,  notes  and debentures,  and obligations  convertible into  common stock;
"money  market"  instruments,  such   as  bankers  acceptances,  or   negotiable
certificates  of  deposit issued  by  the 25  largest  U.S. banks  (in  terms of
deposits); commercial paper rated Prime-1 by Moody's or A-1 by S&P;  obligations
issued  or guaranteed by the U.S. Government, its agencies or instrumentalities;
asset-backed securities; mortgage-backed securities) and stripped
mortgage-backed securities. The Fund may also invest in U.S. dollar  obligations
of,  or guaranteed by, the  government of Canada or a  province of Canada or any
instrumentality or political subdivision thereof, and U.S. dollar obligations of
supranational entities  such as  the World  Bank, European  Investment Bank  and
African Development Bank. For more information about asset-backed securities and
mortgage-backed  securities and stripped  mortgage-backed securites see "Certain
Investment Strategies and Policies".
 
    The Fund's investments in corporate debt  securities are not limited to  any
particular  type of company or industry. The  Fund will invest in corporate debt
obligations primarily of companies having  a market capitalization of more  than
$500 million at the time of investment.
 
    The  Fund's  dollar  average  weighted maturity  and  the  mix  of permitted
portfolio securities as described above will  vary from time to time  depending,
among   other  things,  on  current  market  and  economic  conditions  and  the
comparative yields on instruments  in different sectors,  such as corporate  and
Treasuries,  and with different maturities. The dollar average weighted maturity
of the  portfolio, excluding  money  market instruments,  is expected  to  range
between 5 and 20 years under normal market conditions. The Fund may invest up to
35%  of its assets in money market instruments under normal conditions. Although
the Fund does not invest  for short-term trading purposes, portfolio  securities
may  be sold from  time to time without  regard to the length  of time they have
been held. The  value of  the Fund's  portfolio securities  will generally  vary
inversely with changes in prevailing interest rates, declining as interest rates
rise  and increasing as rates decline. The  value will also be affected by other
market and economic factors.  There is the risk  with corporate debt  securities
that  the issuers  may not  be able  to meet  their obligations  on interest and
principal payments.
 
    The Fund  may, for  hedging  purposes, engage  in  the options  and  futures
strategies described under "Certain Investment Strategies and Policies".
 
                                       11
<PAGE>
    For the fiscal year ended December 31, 1995, the portfolio turnover rate for
the  Fund was 131%. The portfolio turnover rate exceeded 100% due to the need to
make significant  changes  in the  structure  of the  portfolio's  mortgage  and
corporate  bond holdings. The portfolio turnover rate for the Fund may vary from
year to year.  A high portfolio  turnover rate may  result in greater  brokerage
costs to the Fund.
 
                          MANAGEMENT FEES AND EXPENSES
 
    Under  its Management Agreement with the  Trust, the Manager is obligated to
perform certain administrative and management services for the Trust,  furnishes
to the Trust all necessary office space, facilities, and equipment, and pays the
compensation,  if  any, of  officers and  Trustees who  are affiliated  with the
Manager. Other than the expenses specifically  assumed by the Manager under  the
Management  Agreement, all expenses  incurred in the operation  of the Trust are
borne by the Trust, including fees and expenses associated with the registration
and qualification of the Trust's shares under the Securities Act of 1933,  other
fees  payable to the Securities  and Exchange Commission, independent accountant
fees, legal and  custodian fees, association  membership dues, taxes,  interest,
insurance premiums, brokerage commissions, fees and expenses of the Trustees who
are  not affiliated  with the Manager,  expenses for  proxies, prospectuses, and
reports to shareholders,  Fund recordkeeping  expenses and  other expenses.  The
Manager  has voluntarily  agreed to absorb  any charges  and expenses associated
with Fund recordkeeping that exceed 0.10% of a Fund's average net assets.
<TABLE>
<CAPTION>
                                                                                                                      SELECT
                                                                                          SELECT        SELECT       CAPITAL
                                                                                       INTERNATIONAL  AGGRESSIVE   APPRECIATION
                                                                                        EQUITY FUND   GROWTH FUND      FUND
                                                                                       -------------  -----------  ------------
<S>                                                                                    <C>            <C>          <C>
Manager Fee..........................................................................        1.00%         1.00%         1.00%
 
<CAPTION>
 
                                                                                        SELECT     SELECT
                                                                                        GROWTH     INCOME
                                                                                         FUND       FUND
                                                                                       ---------  ---------
<S>                                                                                    <C>        <C>
Manager Fee..........................................................................      0.85%      0.60%
</TABLE>
 
    The Manager  is  solely responsible  for  the payment  of  all fees  to  the
Sub-Advisers. The Manager pays each Sub-Adviser fees computed daily at an annual
rate based on the average daily net asset value of each Fund as set forth below.
In certain Funds, Sub-Adviser fees vary according to the level of assets in such
Funds,  which will reduce the  fees paid by the Manager  as Fund assets grow but
will not reduce the operating expenses of such Funds.
<TABLE>
<CAPTION>
                                                                                                                      SELECT
                                                                                          SELECT        SELECT       CAPITAL
                                                                                       INTERNATIONAL  AGGRESSIVE   APPRECIATION
                                                                                        EQUITY FUND   GROWTH FUND      FUND
                                                                                       -------------  -----------  ------------
<S>                                                                                    <C>            <C>          <C>
Sub-Adviser Fee......................................................................       (1)            0.60%       (2)
 
<CAPTION>
 
                                                                                        SELECT     SELECT
                                                                                        GROWTH     INCOME
                                                                                         FUND       FUND
                                                                                       ---------  ---------
<S>                                                                                    <C>        <C>
Sub-Adviser Fee......................................................................     (3)         0.20%
</TABLE>
 
(1) For its services, BIAM will receive  a fee computed daily at an annual  rate
    based  on the  average daily net  assets of the  Select International Equity
    Fund under the following schedule:
 
<TABLE>
<CAPTION>
ASSETS                                                RATE
- --------------------------------------------------  ---------
<S>                                                 <C>
First $50 Million.................................      0.45%
Next $50 Million..................................      0.40%
Over $100 Million.................................      0.30%
</TABLE>
 
(2) For its services, JCC  will receive a fee computed  daily at an annual  rate
    based  on the  average daily net  assets of the  Select Capital Appreciation
    Fund, under the following schedule:
 
<TABLE>
<CAPTION>
ASSETS                                                RATE
- --------------------------------------------------  ---------
<S>                                                 <C>
First $100 Million................................      0.60%
Over $100 Million.................................      0.55%
</TABLE>
 
(3) For its services,  PIC (on or  about July 1,  1996, Putnam Management)  will
    receive  a fee computed daily  at an annual rate  based on the average daily
    net assets of the Select Growth Fund under the following schedule:
 
<TABLE>
<CAPTION>
ASSETS                                                RATE
- --------------------------------------------------  ---------
<S>                                                 <C>
First $50 Million.................................      0.50%
Next $100 Million.................................      0.45%
Next $100 Million.................................      0.35%
Next $100 Million.................................      0.30%
Over $350 Million.................................      0.25%
</TABLE>
 
                                       12
<PAGE>
    For  the fiscal  year ended  December 31, 1995,  the Funds  paid the Manager
gross fees before reimbursement at a rate based on the Funds' average daily  net
assets under the following schedule:
 
<TABLE>
<CAPTION>
FUND                                                  RATE
- --------------------------------------------------  ---------
<S>                                                 <C>
Select International Equity Fund..................      1.00%
Select Aggressive Growth Fund.....................      1.00%
Select Capital Appreciation Fund..................      1.00%+
Select Growth Fund................................      0.85%
Select Income Fund................................      0.60%
</TABLE>
 
+ Annualized
 
    The  following table shows  voluntary expense limitations  which the Manager
has declared for each  Fund and the operating  expenses incurred for the  fiscal
year ended December 31, 1995 for each Fund:
 
<TABLE>
<CAPTION>
                                                          PERCENTAGE OF AVERAGE DAILY NET ASSETS
                                                         ----------------------------------------
                                                         VOLUNTARY EXPENSE
FUND                                                        LIMITATIONS      OPERATING EXPENSES
- -------------------------------------------------------  -----------------  ---------------------
<S>                                                      <C>                <C>
Select International Equity Fund.......................          1.50%               1.24%
Select Aggressive Growth Fund..........................          1.35%               1.09%
Select Capital Appreciation Fund.......................          1.35%               1.35%+*
Select Growth Fund.....................................          1.20%               0.97%
Select Income Fund.....................................          1.00%               0.79%*
</TABLE>
 
+ Annualized
* After reimbursements and reductions
 
    The  Manager will voluntarily reimburse its  fees and any expenses above the
expense limitations. The expense  limitations are voluntary  but will remain  in
effect  through the end  of the first full  fiscal year that a  Fund has been in
operation. The  expense  limitations may  be  removed at  any  time  thereafter,
without  prior notice to existing shareholders  (although the Prospectus will be
revised accordingly).  For  the  year  ended  December  31,  1995,  the  Manager
voluntarily  agreed to reimburse the Select Capital Appreciation Fund and Select
Income Fund  in the  amounts of  $8,720 and  $2,547, respectively.  The  Manager
reserves the right to recover from a Fund any fees, within a current fiscal year
period,  which were reimbursed in that same year to the extent that total annual
expenses did not  exceed the  applicable expense  limitation. Non-recurring  and
extraordinary  expenses are generally  excluded in the  determination of expense
ratios  of  the  Funds  for   purposes  of  determining  any  required   expense
reimbursement.  Quotations  of yield  or  total return  for  any period  when an
expense limitation is in effect will be  greater than if the limitation had  not
been in effect.
 
                            FUND MANAGER INFORMATION
 
    The  following  individuals  are primarily  responsible  for  the day-to-day
management of the particular Funds as indicated below:
 
    The following  portfolio managers  are involved  in the  investment  process
utilized for the SELECT INTERNATIONAL EQUITY FUND:
 
    Denis   Donovan,  Director  Portfolio  Management,   received  an  MBA  from
University College Dublin. Prior  to joining Bank of  Ireland in 1985, he  spent
more  than thirteen years in the money market and foreign exchange operations of
the Central Bank of Ireland, the  Irish equivalent of the U.S. Federal  Reserve.
He  has overall responsibility for the  portfolio management function for all of
BIAM's client base.
 
    Geraldine Deighan, an economics graduate of Trinity College, Dublin, with an
MBA from University College, Dublin. She joined Bank of Ireland in 1987.
 
                                       13
<PAGE>
    John O'Callaghan,  is  a  graduate  of Trinity  College,  Dublin  and  is  a
Chartered Financial Analyst. He joined Bank of Ireland in 1987.
 
    Peter  Wood, joined Bank of  Ireland in 1985 after  spending five years with
another leading  investment management  firm. He  is responsible  for  portfolio
construction.
 
    The  following individuals  have served  as members  of a  committee of fund
managers for  the SELECT  AGGRESSIVE  GROWTH FUND  since  March 1994,  with  the
exception  of Mr. Nicholas,  who has served  as a fund  manager since the Fund's
inception in August 1992:
 
    Arthur E. Nicholas,  Partner and Chief  Investment Officer at  NACM, is  the
co-founder  of NACM. Prior to NACM, Mr. Nicholas was Managing Director and Chief
Investment Officer  of Pacific  Century Advisers.  He was  also associated  with
Security Pacific Bank for over two years and with San Diego Trust & Savings Bank
for ten years.
 
    Lawence S. Speidell is a Partner and Director of Global/Systematic Portfolio
Management  at NACM. Prior to joining NACM in 1994, Mr. Speidell spent ten years
with Batterymarch Financial Management ("Batterymarch"). He was also Senior Vice
President and Portfolio Manager at Putnam Management Company from 1971 to 1983.
 
    John J. Kane, Senior Portfolio Manager, Global at NACM, has twenty-six years
of economic/ investment experience. Prior to NACM, Mr. Kane was employed by ARCO
Investment Management Company and General Electric Company.
 
    Craig R. Occhialini, Vice  President and Portfolio Manager,  is a member  of
the  domestic portfolio management and research  group at NACM. Prior to joining
NACM in 1991, Mr. Occhialini was employed by Wilshire Associates. Mr. Occhialini
has six years of investment experience.
 
    The following individual has served as  fund manager for the SELECT  CAPITAL
APPRECIATION FUND since the Fund's inception in April 1995:
 
    James  P. Goff joined JCC in 1988  and has managed the Janus Enterprise Fund
since 1992 and has  co-managed the Janus Venture  Fund since December 1993.  Mr.
Goff is a Chartered Financial Analyst.
 
    Through June 30, 1996 the SELECT GROWTH FUND'S portfolio investments will be
managed  by the following individuals who have  served as members of a committee
of fund managers since the Fund's  inception in August 1992, with the  exception
of Mr. Powers, who has served on the committee since June 1994:
 
    Jeffrey  J. Miller,  Managing Director,  has been  with PIC  for over twenty
years and is a Chartered Financial Analyst and a Chartered Investment Counselor.
 
    Larry D. Tashjian, Managing Director, has over fourteen years of  investment
management  experience, ten of which have been with PIC, Mr. Powers was a member
of the Interest Rate Swaps Group for a major West Coast bank.
 
    Michael W. Powers, Senior Vice President,  has been with PIC since 1991  and
is  a Chartered Financial Analyst. Prior to joining PIC, Mr. Powers was a member
of the Interest Rate Swaps Group for a major West Coast bank.
 
    Effective on or about July 1,  1996, Carol C. McMullen, a Managing  Director
of  Putnam  Management,  C.  Beth  Cotner, a  Senior  Vice  President  of Putnam
Management, and Manuel Weiss, a Senior Vice President of Putnam Management, will
be primarily  responsible for  the day-to-day  management of  the Select  Growth
Fund.  Ms. McMullen, Ms. Cotner  and Mr. Weiss have  been employed as investment
professionals by  Putnam Management  since 1995,  1995 and  1987,  respectively.
Prior to 1995, Ms. McMullen was Senior Vice President of Baring Asset Management
and Ms. Cotner was Executive Vice President at Kemper Financial Services.
 
    The  following individuals  have served  as members  of a  committee of fund
managers for the SELECT INCOME FUND since the Fund's inception in August 1992:
 
                                       14
<PAGE>
    Edward H. Ladd, Chairman  and Managing Director, joined  SAW in 1962 and  is
the  firm's  economist.  He  also  assists  clients  in  establishing investment
strategies. Mr. Ladd is a  Director of the Federal  Reserve Bank of Boston,  New
England  Electric System, Greylock Management and Harvard Management Corporation
and a member of SAW's Executive Committee.
 
    George W. Noyes,  President and Managing  Director, joined SAW  in 1970  and
directs  bond policy  formulation and  manages institutional  bond portfolios as
SAW. Mr. Noyes is Vice  Chairman of the ICFA  Research Foundation and serves  on
SAW's Executive Committee.
 
    Dolores  S.  Driscoll, Managing  Director, joined  SAW  in 1974  and manages
fixed-income portfolios  with specific  emphasis on  mortgage pass-throughs  and
original  issue  discount bonds.  Ms. Driscoll  also  serves on  SAW's Executive
Committee.
 
    Richard C. Doll, Manager, joined SAW in 1984 and is a portfolio manager with
research responsibilities in convertible bonds.  Prior to joining SAW, Mr.  Doll
was a Vice President with the Bank of New England.
 
    Maria D. Furman, Vice President and Director, joined SAW in 1976 and is head
of  the tax-exempt  area and  manages insurance  and pension  fund accounts. Ms.
Furman currently serves on SAW's Executive Committee.
 
                             HOW ARE SHARES VALUED
 
    The net asset value of the shares  of each Fund is determined once daily  as
of  the close  of the New  York Stock Exchange  (the "Exchange") on  each day on
which the Exchange is open for trading.
 
    Equity securities are valued on the  basis of their market value, if  market
quotations  are readily available. In other cases  they are valued at their fair
value as  determined  in  good  faith  by  the  Trustees,  although  the  actual
calculations  may be  made by  persons acting pursuant  to the  direction of the
Trustees. Debt  securities  (other  than short-term  obligations)  are  normally
valued on the basis of valuations formulated by a pricing service which utilizes
data  processing methods to determine  valuations for normal, institutional-size
trading units  of  such securities.  Such  methods  include the  use  of  market
transactions   for  comparable  securities  and  various  relationships  between
securities  which  are  generally  recognized  by  institutional  traders.  Debt
obligations  in Funds having a remaining maturity  of 60 days or less are valued
at amortized cost when  it is determined that  amortized cost approximates  fair
value.  Short-term obligations of Funds having a remaining maturity of more than
60 days are marked to market based upon readily available market quotations  for
such obligations or similar securities.
 
    The net asset value of the Funds will fluctuate.
 
                    TAXES AND DISTRIBUTIONS TO SHAREHOLDERS
 
    It  is the policy of the Trust to comply with the provisions of the Internal
Revenue Code applicable to regulated investment companies so that the Trust will
not be subject to federal income tax on any net income and any capital gains  to
the  extent  they are  distributed or  are  deemed to  have been  distributed to
shareholders. Dividends out of net investment  income will be declared and  paid
quarterly in the case of the Select Income Fund; and annually in the case of the
Select  International Equity Fund, Select Aggressive Growth Fund, Select Capital
Appreciation Fund and Select Growth Fund. Distributions of net capital gains, if
any,  for  the  year  are  made   annually.  All  dividends  and  capital   gain
distributions  are applied to purchase additional Fund shares at net asset value
as of the payment date.  Fund shares are held by  the Separate Accounts and  any
distributions  are  automatically  reinvested  by  the  Separate  Accounts.  Tax
consequences to investors  in the Separate  Accounts which are  invested in  the
Trust are described in the prospectus or offering circular for such Accounts.
 
                                       15
<PAGE>
                         SALE AND REDEMPTION OF SHARES
 
    Shares  of the Funds are sold in  a continuous offering and currently may be
purchased only by Separate Accounts established by First Allmerica. The Separate
Accounts are the funding  mechanisms for group  annuity contracts. The  Separate
Accounts  invest in shares of one or more  of the Funds. Shares of each Fund are
sold at their net  asset value as  next computed after  receipt of the  purchase
order without the addition of any selling commission or "sales load".
 
    Shares  of the Trust are also currently being issued to Separate Accounts of
Allmerica Financial Life  Insurance and  Annuity Company  ("Allmerica Life"),  a
subsidiary  of First Allmerica, First Allmerica  and other subsidiaries of First
Allmerica which issue  variable or  group annuity policies  or variable  premium
life  insurance policies ("mixed funding").  Although neither Allmerica Life nor
the Trust currently  foresees any disadvantage,  it is conceivable  that in  the
future  such mixed funding may be  disadvantageous for variable or group annuity
policyowners or variable premium  life insurance policyowners  ("Policyowners").
The  Trustees of  the Trust intend  to monitor  events in order  to identify any
conflicts that may arise between such Policyowners and to determine what action,
if any, should be taken  in response thereto. If  the Trustees were to  conclude
that  separate funds should be established  for variable annuity, group annuity,
and variable  premium  life  separate  accounts, Allmerica  Life  will  pay  the
attendant expenses.
 
    The  Trust redeems  shares of  each Fund  at their  net asset  value as next
computed after receipt of the request  for redemption. The redemption price  may
be  more or less than the shareholder's cost.  No fee is charged by the Trust on
redemption. The group contracts  funded through the  Separate Accounts are  sold
subject  to  certain fees  and charges  which may  include sales  and redemption
charges, described  in the  prospectus or  offering circular  for such  Separate
Account.
 
    Redemption  payments will  be paid  within seven  days after  receipt of the
written request therefor by the Trust,  except that the right of redemption  may
be  suspended or  payments postponed  whenever permitted  by applicable  law and
regulations.
 
                         HOW IS PERFORMANCE DETERMINED?
 
    The Funds' performance may  be quoted in  advertising. A Fund's  performance
may be compared to the performance of other investments or relevant indices. All
performance  information is based  on historical results and  is not intended to
indicate future performance.
 
    A Fund's  "yield"  is  calculated  by dividing  the  Fund's  annualized  net
investment income per share during a recent 30-day period by the net asset value
per share on the last day of that period.
 
    Total  returns are based on the overall dollar or percentage change in value
of a hypothetical investment in a  Fund assuming all dividends and capital  gain
distributions  are  reinvested.  Cumulative  total  return  reflects  the Fund's
performance over a stated period of  time. Average annual total return  reflects
the  hypothetical annually compounded  return that would  have produced the same
cumulative return if the  Fund's performance had been  constant over the  entire
period.  Because average  annual returns  tend to  smooth out  variations in the
Fund's return, they are not the same as actual year-by-year results.
 
    YIELDS AND  TOTAL  RETURNS  QUOTED  FOR THE  FUNDS  INCLUDE  THE  EFFECT  OF
DEDUCTING  THE  FUNDS'  EXPENSES,  BUT  MAY  NOT  INCLUDE  CHARGES  AND EXPENSES
ATTRIBUTABLE TO A PARTICULAR INSURANCE PRODUCT. SINCE SHARES OF THE FUNDS CAN BE
PURCHASED ONLY THROUGH A GROUP ANNUITY, YOU SHOULD CAREFULLY REVIEW THE OFFERING
CIRCULAR FOR  THE SEPARATE  ACCOUNTS  FOR INFORMATION  ON RELEVANT  CHARGES  AND
EXPENSES.  INCLUDING THESE  CHARGES IN  THE QUOTATIONS  OF THE  FUNDS' YIELD AND
TOTAL RETURN  WOULD  HAVE  THE EFFECT  OF  DECREASING  PERFORMANCE.  PERFORMANCE
INFORMATION  FOR THE FUNDS MUST ALWAYS BE  ACCOMPANIED BY, AND BE REVIEWED WITH,
PERFORMANCE INFORMATION FOR THE SEPARATE ACCOUNTS WHICH INVEST IN THE FUNDS.
 
                                       16
<PAGE>
                  ORGANIZATION AND CAPITALIZATION OF THE TRUST
 
    The Trust was established as a  Massachusetts business trust under the  laws
of Massachusetts by an Agreement and Declaration of Trust dated October 11, 1984
(the  "Trust Declaration"). A copy of the  Trust Declaration is on file with the
Secretary of the Commonwealth of Massachusetts.
 
    The Trust  has  an  unlimited  authorized number  of  shares  of  beneficial
interest which may be divided into an unlimited number of series of such shares,
and  which  are  presently divided  into  twelve  series of  shares,  one series
underlying each  Fund.  The five  Funds  described  in this  Prospectus  may  be
purchased  by the Separate Accounts established  by First Allmerica. The Trust's
shares are  entitled  to  one  vote per  share  (with  proportional  voting  for
fractional  shares). The rights  accompanying Fund shares  are legally vested in
the Separate Accounts. As a matter of policy, however, holders of group  annuity
contracts  funded through the  Separate Accounts have the  right to instruct the
Separate Accounts as to voting Fund shares on all matters to be voted on by Fund
shareholders. Voting rights  of the  participants in the  Separate Accounts  are
more  fully set forth in  the prospectus or offering  circular relating to those
Accounts. See "Organization  of the  Trust" in  the SAI  for a  definition of  a
"majority vote" of shareholders.
 
    The  Trust  is not  required to  hold annual  meetings of  shareholders. The
Trustees or shareholders holding at least 10% of the outstanding shares may call
special meetings of shareholders.
 
FUND RECORDKEEPING AGENT
 
    First Data, a wholly-owned subsidiary of First Data Corporation,  calculates
net  asset value  per share  and maintains  general accounting  records for each
Fund. First Data is entitled to  receive an annual Fund recordkeeping fee  based
on Fund assets and certain out-of-pocket expenses.
 
CUSTODIAN
 
    Bankers  Trust Company, 130 Liberty Street, New York, New York 10006, is the
Custodian of the investment securities and other assets of the Trust.
 
                            INVESTMENT RESTRICTIONS
 
    The following is a description of certain investment restrictions which  are
fundamental  and may not be  changed with respect to  a Fund without shareholder
approval. For a description of certain other investment restrictions,  reference
should be made to the SAI.
 
1.  No Fund will concentrate its investments in particular industries, including
    debt  obligations of supranational  entities and foreign  governments, but a
    Fund may invest up to 25% of the  value of its total assets in a  particular
    industry.  The  restriction does  not  apply to  investments  in obligations
    issued or  guaranteed by  the  United States  of  America, its  agencies  or
    instrumentalities.
 
2.  As to 75% of the value of its total assets, no Fund will invest more than 5%
    of  the value of its total assets in the securities of any one issuer (other
    than securities issued by or guaranteed  as to principal or interest by  the
    United  States  Government  or  any agency  or  instrumentality  thereof) or
    acquire more than 10% of the voting securities of any issuer. The  remaining
    25%  of  assets may  be invested  in the  securities of  one or  more issuer
    without regard to such limitations.
 
    These limitations apply as of the time of purchase. If through market action
the percentage limitations are exceeded, the Fund will not be required to reduce
the amount of its holding in such investments.
 
                   CERTAIN INVESTMENT STRATEGIES AND POLICIES
 
REPURCHASE AGREEMENTS (APPLICABLE TO ALL FUNDS) AND REVERSE REPURCHASE
AGREEMENTS (APPLICABLE TO THE SELECT CAPITAL APPRECIATION FUND)
 
    Each Fund may invest in repurchase agreements, under which the Fund acquires
ownership of a security (ordinarily  U.S. Government Securities) but the  seller
agrees, at the time of sale, to purchase
 
                                       17
<PAGE>
the  security at a mutually  agreed upon time and price.  Should any seller of a
repurchase agreement fail to repurchase  the underlying security, or should  any
seller  become insolvent  or involved in  a bankruptcy proceeding,  a Fund could
incur disposition costs and losses. Repurchase agreements maturing in more  than
seven days are subject to the 15% limit on illiquid securities.
 
    When  the Select Capital  Appreciation Fund invests  in a reverse repurchase
agreement,  it  sells  a  security  to  another  party  such  as  a  banker   or
broker-dealer,  in return  for cash, and  agrees to  buy the security  back at a
future date and price. Reverse repurchase agreements may be used to provide cash
to satisfy  unusually  heavy  redemption  requests or  for  other  temporary  or
emergency  purposes without the necessity of  selling portfolio securities or to
earn additional  income on  portfolio  securities, such  as treasury  bills  and
notes.
 
"WHEN-ISSUED" SECURITIES (APPLICABLE TO ALL FUNDS)
 
    Each  Fund  may purchase  securities on  a  when-issued or  delayed delivery
basis. Delivery  and  payment  normally take  place  15  to 45  days  after  the
commitment  to purchase.  No income accrues  on when-issued  securities prior to
delivery. Purchase  of  when-issued securities  involves  the risk  that  yields
available  in the market when delivery occurs may be higher than those available
when the when-issued order is placed resulting in a decline in the market  value
of  the  security. There  is also  the  risk that  under some  circumstances the
purchase of when-issued securities may act to leverage the Fund.
 
LENDING OF SECURITIES (APPLICABLE TO ALL FUNDS)
 
    For the purpose of realizing additional income, the Funds may lend portfolio
securities to broker-dealers  or financial  institutions amounting  to not  more
than 30% of their respective total assets taken at current value. While any such
loan  is  outstanding, a  Fund will  continue  to receive  amounts equal  to the
interest or dividends paid by the issuer on the securities, as well as  interest
(less  any  rebates  to  be paid  to  the  borrower) on  the  investment  of the
collateral or a fee  from the borrower.  Each Fund will have  the right to  call
each  loan  and obtain  the  securities. Lending  portfolio  securities involves
certain risks, including possible delays  in receiving additional collateral  or
in  the recovery of the securities or  possible loss of rights in the collateral
should the borrower  fail financially.  Loans will  be made  in accordance  with
guidelines established by the Board of Trustees.
 
FOREIGN SECURITIES (APPLICABLE TO ALL FUNDS)
 
    Investments  in  foreign  markets involve  substantial  risks  not typically
associated with investing in the U.  S. which should be carefully considered  by
the  investor.  Such  risks  may  include  political  and  economic instability,
differing accounting and financial reporting standards, higher commission  rates
on  foreign portfolio  transactions, less  readily available  public information
regarding issuers,  potential  adverse  changes  in  tax  and  exchange  control
regulations  and the  potential for  restrictions on  the flow  cf international
capital. Foreign  securities  also  involve  currency  risks.  Accordingly,  the
relative  strength  of  the  U.S.  dollar may  be  an  important  factor  in the
performance of  that  Fund, depending  on  the  extent of  such  Fund's  foreign
investments.  Some  foreign  securities exchanges  may  not be  as  developed or
efficient as  those in  the U.S.  and securities  traded on  foreign  securities
exchanges  are generally subject to greater  price volatility. There is also the
possibility of adverse  changes in investment  or exchange control  regulations,
expropriation  or confiscatory taxation and limitations  on the removal of funds
or other assets. Investments in emerging countries involve exposure to  economic
structures  that are generally less diverse and mature than in the U. S., and to
political systems which may be less  stable. In addition, securities of  issuers
located  in emerging countries may have limited marketability and may be subject
to more abrupt or erratic price fluctuations.
 
    Each Fund may buy  or sell foreign currencies  and foreign currency  forward
contracts,  options on foreign currencies and foreign currency futures contracts
and options thereon. Although such instruments  may reduce the risk of loss  due
to   a  decline  in  the  value  of   the  currency  that  is  sold,  they  also
 
                                       18
<PAGE>
limit any possible  gain which  might result should  the value  of the  currency
increase. Such instruments will be used primarily to protect a Fund from adverse
currency  movements,  however,  they  also  involve  the  risk  that anticipated
currency movements will not be accurately predicted, thus adversely affecting  a
Fund's total return. See "Options and Futures Transactions."
 
    The  Funds' investments may include ADRs. For many foreign securities, there
are U.S.  dollar-denominated ADRs  which  are traded  in  the United  States  on
exchanges or over the counter. ADRs represent the right to receive securities of
foreign issuers deposited in a domestic bank or a correspondent bank. An ADR may
be  sponsored by  the issuer of  the underlying  foreign security, or  it may be
issued in unsponsored form. The holder of  a sponsored ADR is likely to  receive
more  frequent and extensive financial  disclosure concerning the foreign issuer
than the holder of an unsponsored ADR and will generally bear lower  transaction
charges.  The  Funds will  invest in  both sponsored  and unsponsored  ADRs. The
Select International Equity Fund and  the Select Capital Appreciation Fund  also
may  utilize EDRs, which are designed for use in European securities markets and
also may invest in GDRs.
 
    Obligations in  which  the  Select  Income  Fund  may  invest  include  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.  Obligations  of  supranational
entities may be supported by appropriated but unpaid commitments of their member
countries,  and there is no assurance  that these commitments will be undertaken
or met in the  future. The Fund may  not invest more than  25% of its assets  in
debt obligations of supranational entities.
 
OPTIONS AND FUTURES TRANSACTIONS (APPLICABLE TO ALL FUNDS) AND FORWARD CONTRACTS
AND SWAPS (APPLICABLE TO THE SELECT CAPITAL APPRECIATION FUND)
 
    Through  the writing and purchase of put and call options on its securities,
financial indices and foreign  currencies and the purchase  and sale of  futures
contracts  and related options with respect to securities, financial indices and
(in the case  of the  Select Capital  Appreciation Fund)  foreign currencies  in
which  it may invest, each Fund may  at times seek to hedge against fluctuations
in net  asset  value. Each  Fund's  ability to  engage  in options  and  futures
strategies   will  depend  on  the  availability   of  liquid  markets  in  such
instruments. It is impossible to predict the amount of trading interest that may
exist in various types of options  or futures contracts. Therefore, there is  no
assurance  that a Fund will be able to utilize these instruments effectively for
the purposes stated above.
 
    Additionally, the Select  Capital Appreciation  Fund may  invest in  forward
contracts and swaps which may expose the Fund to additional investment risks and
transaction costs.
 
    Risks  inherent in the use of futures and options ("derivative instruments")
include (1) the risk that interest rates, securities prices and currency markets
will not move in the  directions anticipated; (2) imperfect correlation  between
the  price  of  derivative  instruments  and  movements  in  the  prices  of the
securities, interest rates or currencies being hedged; (3) the fact that  skills
needed  to  use  these strategies  are  different  from those  needed  to select
portfolio securities; (4) the possible absence of a liquid secondary market  for
any  particular  instrument at  any time;  and  (5) the  possible need  to defer
closing out certain hedged positions to avoid adverse tax consequences.
 
    The Funds will purchase futures and  options only on exchanges or boards  of
trade  when there appears to be an active  secondary market, but there can be no
assurance that a liquid secondary market  will exist for any futures or  options
at any particular time.
 
    In  connection with transactions  in futures and  related options, the Funds
will be  required  to deposit  as  "initial margin"  an  amount of  cash  and/or
securities.  Thereafter, subsequent payments are made  to and from the broker to
reflect changes in the value of the futures contract.
 
    A more  detailed  explanation  of futures,  options,  and  other  derivative
instruments, and the risks associated with them, is included in the SAI.
 
                                       19
<PAGE>
RESTRICTED SECURITIES (APPLICABLE TO ALL FUNDS)
 
    The Funds may purchase fixed-income securities that are not registered under
the  Securities Act of  1933 ("1933 Act") ("restricted  securities"), but can be
offered and sold to "qualified institutional buyers" under Rule 144A of the 1933
Act. However,  each  Fund  will not  invest  more  than 15%  of  its  assets  in
restricted  securities (as  defined in  its investment  restrictions) unless the
Funds' Board  of Trustees  determines, based  upon a  continuing review  of  the
trading  markets  for the  specific  restricted security,  that  such restricted
securities are  liquid.  The  Board  of  Trustees  has  adopted  guidelines  and
delegated  to  the  Manager the  daily  function of  determining  and monitoring
liquidity of restricted securities. The  Board, however, will retain  sufficient
oversight  and be ultimately responsible for the determinations. Since it is not
possible to  predict  with assurance  exactly  how this  market  for  restricted
securities  sold  and  offered under  Rule  144A  will develop,  the  Board will
carefully monitor  the  Funds'  investments  in  securities,  focusing  on  such
important  factors, among  others, as  valuation, liquidity  and availability of
information. This investment practice  could have the  effect of increasing  the
level  of illiquidity  in the Funds  to the extent  that qualified institutional
buyers become for a time uninterested in purchasing these restricted securities.
As a result, the  Funds might not  be able to sell  these securities when  their
Sub-Adviser wishes to do so, or might have to sell them at less than fair value.
In  addition, market quotations  are less readily  available. Therefore judgment
may at times play a greater role in valuing these securities than in the case of
unrestricted securities.
 
INVESTMENTS IN MONEY MARKET SECURITIES (APPLICABLE TO ALL FUNDS)
 
    Each Fund may hold at least a  portion of its assets in cash equivalents  or
money  market instruments. There is  always the risk that  the issuer of a money
market instrument may be unable to make payment upon maturity.
 
    Pursuant to  an  exemptive order  granted  by the  Securities  and  Exchange
Commission,  the Select  Capital Appreciation  Fund and  other funds  advised by
Janus Capital may transfer daily uninvested cash balances into one or more joint
trading accounts. Assets  in the joint  trading accounts are  invested in  money
market  instruments and the proceeds are allocated to the participating funds on
a pro rata basis.
 
HIGH YIELD SECURITIES (APPLICABLE TO THE SELECT CAPITAL APPRECIATION FUND AND
SELECT GROWTH FUND)
 
    Corporate debt securities purchased by  the Select Capital Appreciation  and
the  Select Growth Fund  will be rated  at the time  of purchase B  or better by
Moody's or S&P, or equivalently rated by another NRSRO, or unrated but  believed
by  the Sub-Adviser to be of comparable quality under guidelines established for
the Funds. The Select Growth Fund may not invest more than 15% of its assets and
the Select Capital Appreciation Fund may not invest more than 35% of its  assets
at  the time of  investment in securities rated  below Baa by  Moody's or BBB by
S&P, or equivalently  rated by  another NRSRO, or  unrated but  believed by  the
Sub-Adviser  to be of comparable  quality. Securities rated B  by Moody's or S&P
(or  equivalently  by  another  NRSRO)  are  below  investment  grade  and   are
considered, on balance, to be predominantly speculative with respect to capacity
to  pay interest and repay principal and will generally involve more credit risk
than securities in the higher rating categories.
 
    Periods of economic  uncertainty and changes  can be expected  to result  in
increased  volatility of market prices of lower-rated securities, commonly known
as "high yield" securities or  "junk bonds", and the  asset value of the  Select
Capital Appreciation Fund and the Select Growth Fund. Many issuers of high yield
corporate  debt securities are  substantially leveraged, which  may impair their
ability to meet debt service obligations.  Also, during an economic downturn  or
substantial  period  of  rising  interest rates,  highly  leveraged  issuers may
experience financial stress.
 
    The lack of a liquid secondary market in certain lower-rated securities  may
have  an adverse  impact on  their market  price and  the ability  of a  Fund to
dispose of particular issues  when necessary to meet  its liquidity needs or  in
response   to  a  specific  economic  event  such  as  a  deterioration  in  the
credit-worthiness of the issuer. In addition, a less liquid market may interfere
with the ability of a
 
                                       20
<PAGE>
Fund to  accurately value  high yield  securities and,  consequently, value  the
Fund's  assets.  Furthermore,  adverse publicity  and  investor  perceptions may
decrease the value and liquidity of  high yield securities. It is reasonable  to
expect  any recession to severely disrupt the market for high yield fixed-income
securities, have an adverse impact on the value of such securities and adversely
affect the ability of the issuers of such securities to repay principal and  pay
interest  thereon. The market price of lower-rated securities are generally less
sensitive to  interest  rate changes  than  higher-rated investments,  but  more
sensitive  to adverse economic or  political changes, or individual developments
specific to the issuer. Periods of economic or political uncertainty and  change
can be expected to result involatility of price of these securities.
 
    The Funds also may invest in unrated debt securities of foreign and domestic
issuers.  Unrated  debt,  while  not necessarily  of  lower  quality  than rated
securities,  may  not  have  as  broad  a  market.  Sovereign  debt  of  foreign
governments  is generally  rated by country.  Because these ratings  do not take
into account individual factors  relevant to each issue  and may not be  updated
regularly,  the Sub-Adviser may  treat such securities  as unrated debt. Unrated
debt securities and securities with different ratings from more than one  agency
will  be included in the 15% and 35% limits of the Funds as stated above, unless
such Fund's Sub-Adviser deems such securities to be the equivalent of investment
grade securities. See the Appendix for a description of the bond ratings.
 
ASSET-BACKED SECURITIES AND MORTGAGE-BACKED SECURITIES (APPLICABLE TO SELECT
INCOME FUND)
 
    The  Fund   may  purchase   asset-backed  securities,   which  represent   a
participation  in, or  are secured  by and  payable from,  a stream  of payments
generated by  particular assets,  frequently a  pool of  assets similar  to  one
another.  Assets  generating such  payments  include instruments  such  as motor
vehicle installment  purchase  obligations,  credit card  receivables  and  home
equity  loans. Payment of  principal and interest may  be guaranteed for certain
amounts and time periods by a letter of credit issued by a financial institution
unaffiliated with  the  issuer of  the  securities.  The estimated  life  of  an
asset-backed  security varies with  the prepayment experience  of the underlying
debt instruments.  The rate  of such  prepayments,  and hence  the life  of  the
asset-backed  security, will  be primarily a  function of  current market rates,
although other economic and demographic factors will be involved. Under  certain
interest  rates and prepayment rate scenarios, the Fund may fail to recoup fully
their investment in asset-baked securities. The  Fund will not invest more  than
10% of its total assets in asset-backed securities.
 
    The  Fund  also  may invest  in  mortgage-backed securities  which  are debt
obligations secured by  real estate loans  and pools of  loans on single  family
homes,   multi-family  homes,  mobile  homes,  and  in  some  cases,  commercial
properties. The Fund may acquire securities  representing an interest in a  pool
of mortgage loans that are issued or guaranteed by a U.S. government agency such
as  the  Government National  Mortgage Association  ("Ginnie Mae"),  the Federal
National Mortgage Association ("Fannie Mae") and the Federal Home Loan  Mortgage
Corporation ("Freddie Mac").
 
    Mortgage-backed  securities  are in  most cases  "pass-through" instruments,
through which the holder receives a share of all interest and principal payments
from  the  mortgages   underlying  the  certificate.   Because  the   prepayment
characteristics  of the underlying mortgages vary, it is not possible to predict
accurately the  average  life  or  realized yields  of  a  particular  issue  of
pass-through   certificates.  During   periods  of   declining  interest  rates,
prepayment of mortgages underlying mortgage-backed securities can be expected to
accelerate. When the mortgage  obligations are prepaid,  the Fund reinvests  the
prepaid  amounts  in  securities, the  yield  of which  reflects  interest rates
prevailing  at  the  time.  Moreover,  prepayment  of  mortgages  that  underlie
securities purchased at a premium could result in losses.
 
    The  Fund  also  may invest  in  multiple  class securities  issued  by U.S.
government agencies and instrumentalities  such as Fannie  Mae, Freddie Mac  and
Ginnie  Mae, including  guaranteed collateralized  mortgage obligations ("CMOs")
and  Real  Estate   Mortgage  Investment  Conduit   ("REMIC")  pass-through   or
participation   certificates,  when   consistent  with   the  Fund's  investment
objective, policies and  limitations. A  CMO is  a type  of bond  secured by  an
underlying pool of mortgages or mortgage
 
                                       21
<PAGE>
pass-through  certificates that are  structured to direct  payment on underlying
collateral to different series or classes of obligations. A REMIC is a CMO  that
qualifies  for special tax treatment under the Internal Revenue Code and invests
in certain mortgages principally secured by interests in real property and other
permitted investments.
 
    CMOs and guaranteed REMIC  pass-through certificates ("REMIC  Certificates")
issued  by  Fannie  Mae,  Freddie  Mac and  Ginnie  Mae  are  types  of multiple
pass-through securities. Investors may purchase beneficial interests in  REMICs,
which  are known as  "regular" interests or "residual"  interests. The Fund does
not currently  intend  to  purchase  residual interests  in  REMICs.  The  REMIC
Certificates   represent  beneficial  ownership  interests  in  a  REMIC  trust,
generally consisting of mortgage loans or Fannie Mae, Freddie Mac or Ginnie  Mae
guaranteed  mortgage pass-through  certificates. The obligations  of Fannie Mae,
Freddie Mac  or  Ginnie  Mae  under  their  respective  guaranty  of  the  REMIC
Certificates  are obligations solely  of Fannie Mae, Freddie  Mac or Ginnie Mae,
respectively.
 
    Fannie Mae  REMIC  Certificates  are  issued and  guaranteed  as  to  timely
distribution  of principal and  interest by Fannie Mae.  In addition, Fannie Mae
will be obligated  to distribute the  principal balance of  each class of  REMIC
Certificates  in full, whether  or not sufficient  fund are otherwise available.
For Freddie Mac REMIC Certificates, Freddie Mac guarantees the timely payment of
interest, and also guarantees the payment of principal as payments are  required
to  be made on  the underlying mortgage  participation certificates ("PCs"). PCs
represent undivided interest in specified residential mortgages or participation
therein purchases  by Freddie  Mac and  placed in  a PC  pool. With  respect  to
principal  payments on PCs, Freddie Mac generally guarantees ultimate collection
of all principal  of the  related mortgage  loans without  offset or  deduction.
Freddie  Mac also guarantees timely payment of principal on certain PCs referred
to as "Gold PCs."
 
    Ginnie Mae  REMIC Certificates  guarantee  the full  and timely  payment  of
interest and principal on each class of securities (in accordance with the terms
of  those classes,  as specified in  the related  offering circular supplement).
This Ginnie Mae guarantee is backed by  the full faith and credit of the  United
States of America.
 
    REMIC  Certificates issued  by Fannie  Mae, Freddie  Mac and  Ginnie Mae are
treated as U.S. government securities for purposes of investment policies. There
can be no assurance that the  United States government will continue to  provide
financial support to Fannie Mae, Freddie Mac or Ginnie Mae in the future.
 
STRIPPED MORTGAGE-BACKED SECURITIES (APPLICABLE TO THE SELECT INCOME FUND)
 
    The  Fund may invest  in Stripped Mortgage-Backed  Securities ("SMBS"). SMBS
are derivative multiclass mortgage securities. SMBS may be issued by agencies or
instrumentalities of  the  U.S. Government  or  by private  originators  of,  or
investors  in, mortgage loans, including savings and loan associations, mortgage
banks, commercial banks, investment  banks and special  purpose entitles of  the
foregoing.
 
    SMBS  are  usually  structured  with  two  classes  that  receive  different
proportions of the interest  and principal distributions on  a pool of  mortgage
assets.  One type of SMBS will have one class receiving some of the interest and
most of  the principal  from the  mortgage assets,  while the  other class  will
receive  most of the interest and the remainder of the principal. In some cases,
one class will receive  all of the interest  (the interest-only or "IO"  class),
while  the other class will receive all  of the principal (the principal-only or
"PO" class). The yield to maturity on  a IO class is extremely sensitive to  the
rate  of  principal payments  (including  prepayment on  the  related underlying
mortgage assets), and  a rapid rate  of principal payments  may have a  material
adverse  effect on a portfolio  yield to maturity from  these securities. If the
underlying mortgage assets  experience greater than  anticipated prepayments  of
principal,  the Fund may fail to fully  recoup their initial investment in these
securities even if  the security  is in one  of the  highest rating  categories.
Certain  SMBS may be deemed "illiquid" and  subject to the Fund's limitations on
investment in illiquid securities. The market value of the PO class generally is
unusually volatile in  response to changes  in interest rates.  The yields on  a
class of
 
                                       22
<PAGE>
SMBS  that  receives  all or  most  of  the interest  from  mortgage  assets are
generally  higher  than  prevailing  market  yields  in  other   mortgage-backed
securities  because their cash  flow patterns are  more volatile and  there is a
grater risk that  the initial investment  will not be  fully recouped. The  Sub-
Adviser will seek to manage these risks (and potential benefits) by investing in
a variety of such securities and by using certain hedging techniques.
 
HEDGING TECHNIQUES AND INVESTMENT PRACTICES (APPLICABLE TO THE SELECT
INTERNATIONAL EQUITY FUND AND SELECT CAPITAL APPRECIATION FUND)
 
    The  Select International Equity  Fund and Select  Capital Appreciation Fund
may employ  certain strategies  in  order to  manage  exchange rate  risks.  For
example,  each Fund may  hedge some or  all of its  investments denominated in a
foreign currency against a decline in the value of that currency. Each Fund  may
enter  into  contracts  to sell  that  foreign  currency for  U.S.  dollars (not
exceeding the value  of the Fund's  assets denominated in  that currency) or  by
participating  in options  or futures  contracts with  respect to  such currency
("position hedge"). Each Fund also could hedge that position by selling a second
currency, which  is expected  to  perform similarly  to  the currency  in  which
portfolio  investments are denominated,  for U.S. dollars  ("proxy hedge"). Each
Fund also may enter into  a forward contract to sell  the currency in which  the
security is denominated for a second currency that is expected to perform better
relative  to the U.S. dollar  if its Sub-Adviser believes  there is a reasonable
degree of correlation between movements  in the two currencies  ("cross-hedge").
As  an operational policy, each Fund will not commit more than 10% of its assets
to the  consummation of  cross-hedge contracts  and will  either cover  currency
hedging  transactions  with  liquid  portfolio  securities  denominated  in  the
applicable currency or segregate high-grade, liquid assets in the amount of such
commitments.  In  addition,  when  a  Fund  anticipates  purchasing   securities
denominated in a particular currency, the Fund may enter into a forward contract
to  purchase  such  currency in  exchange  for  the dollar  or  another currency
("anticipatory hedge").
 
    These strategies minimize  the effect  of currency appreciation  as well  as
depreciation,  but do not protect  against a decline in  the underlying value of
the hedged security. In  addition, such strategies may  reduce or eliminate  the
opportunity  to profit from increases in the  value of the original currency and
may adversely impact the Fund's  performance if its Sub-Adviser's projection  of
future exchange rates is inaccurate.
 
                                       23
<PAGE>
                                    APPENDIX
 
    Description  of Moody's Investors Service, Inc. ("Moody's") and Standard and
Poor's Ratings  Service,  a  division of  McGraw-Hill  Companies,  Inc.  ("S&P")
commercial paper and bond ratings:
 
COMMERCIAL PAPER RATINGS
 
    MOODY'S  EMPLOYS THREE DESIGNATIONS,  ALL JUDGED TO  BE INVESTMENT GRADE, TO
INDICATE THE  RELATIVE REPAYMENT  CAPACITY  OF RATED  ISSUERS. THE  TWO  HIGHEST
DESIGNATIONS ARE AS FOLLOWS:
 
        Issuers  rated  Prime- 1  (or  related supporting  institutions)  have a
    superior  capacity  for  repayment  of  short-term  promissory  obligations.
    Prime-l  repayment  capacity will  normally  be evidenced  by  the following
    characteristics:
 
       -- 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.
 
       -- Well-established  access to a  range of financial  markets and assured
          sources of alternate liquidity.
 
        Issuers rated Prime-2 (or related supporting institutions) have a strong
    capacity for repayment of  short-term promissory obligations. This  normally
    will  be evidenced  by many  of the  characteristics cited  above, but  to a
    lesser degree. Earnings  trends and  coverage ratios, while  sound, will  be
    more  subject  to  variation.  Capitalization  characteristics,  while still
    appropriate, may be  more affected by  external conditions. Ample  alternate
    liquidity is maintained.
 
    S&P  COMMERCIAL PAPER  RATINGS ARE  GRADED INTO  SEVERAL CATEGORIES, RANGING
FROM "A-1" FOR THE HIGHEST  QUALITY OBLIGATIONS TO "D"  FOR THE LOWEST. THE  TWO
HIGHEST RATING CATEGORIES ARE DESCRIBED AS FOLLOWS:
 
        A-1  --  This  highest  category indicates  that  the  degree  of safety
    regarding timely  payment  is strong.  Those  issues determined  to  possess
    extremely  strong safety  characteristics are denoted  with a  plus (+) sign
    designation.
 
        A-2 -- Capacity for  timely payment on issues  with this designation  is
    satisfactory.  However, the relative degree of safety  is not as high as for
    issues designated A-1.
 
MUNICIPAL OBLIGATIONS
 
    Moody's ratings for  state and  municipal and  other short-term  obligations
will  be designated  Moody's Investment  Grade ("MIG").  This distinction  is in
recognition of  the differences  between short-term  credit risk  and  long-term
risk.  Factors  affecting  the  liquidity  of  the  borrower  are  uppermost  in
importance  in  short-term  borrowing,  while  various  factors  of  the   first
importance in long-term borrowing risk are of lesser importance in the long run.
Symbols used will be as following
 
        MIG-1  -- This designation denotes best quality. There is present strong
    protection  by  established  cash  flows,  superior  liquidity  support   or
    demonstrated broad-based access to the market for refinancing.
 
        MIG-2  -- This designation  denotes high quality.  Margins of protection
    are ample although not so large as in the preceding group.
 
    A short-term  rating  may also  be  assigned on  an  issue having  a  demand
feature. Such ratings will be designated as VMIG to reflect such characteristics
as  payment upon  periodic demand rather  than fixed maturity  dates and payment
relying  on  external  liquidity.   Additionally,  investors  should  be   alert
 
                                       24
<PAGE>
to  the fact that the source of payment may be limited to the external liquidity
with no or limited legal recourse to the  issuer in the event the demand is  not
met.  VMIG- 1 and VMIG-2 ratings carry  the same definitions as MIG-1 and MIG-2,
respectively.
 
DESCRIPTION OF MOODY'S BOND RATINGS
 
    AAA -- Bonds that 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.
 
    AA -- Bonds  that are  rated Aa  are judged  to be  of high  quality by  all
standards.  Together with the Aaa group,  they comprise what are generally 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 that 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
that suggest a susceptibility to impairment some time in the future.
 
    BAA  -- Bonds that 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.
 
    BA -- Bonds that are rated Ba are judged to have speculative elements; their
future cannot be considered  as well assured. Often  the protection of  interest
and  principal payments  may be very  moderate and thereby  not well safeguarded
during both  good  and  bad  times over  the  future.  Uncertainty  of  position
characterizes bonds in this class.
 
    B  -- Bonds that are rated B generally lack characteristics of the desirable
investment. Assurance of interest and principal payments or maintenance of other
terms of the contract over any long period of time may be small.
 
    Those bonds within the Aa, A, Baa, Ba and B categories that Moody's believes
possess the strongest credit attributes  within those categories are  designated
by the symbols Aa1, A1, Baa1, Ba1 and B1.
 
DESCRIPTION OF S&P'S DEBT RATINGS
 
    AAA  -- Debt rated AAA  has the highest rating  assigned by S&P. Capacity to
pay interest and repay principal is extremely strong.
 
    AA -- Debt rated  AA has a  very strong capacity to  pay interest and  repay
principal and differs from AAA issues only in a small degree.
 
    A -- Debt rated A has 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.
 
    BBB -- Debt  rated BBB is  regarded as  having an adequate  capacity to  pay
interest  and repay principal. Where as it normally exhibits 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.
 
                                       25
<PAGE>
    BB-- Debt rated BB  has less near-term vulnerability  to default than  other
speculative issues. However, it faces major ongoing uncertainties or exposure to
adverse  business,  financial,  or  economic  conditions  which  could  lead  to
inadequate capacity to meet timely interest and principal payments The BB rating
category is also used for debt subordinated  to senior debt that is assigned  an
actual or implied BBB- rating.
 
    B--  Debt rated B has  a greater vulnerability to  default but currently has
the capacity  to  meet  interest  payments  and  principal  repayments.  Adverse
business,  financial,  or economic  conditions  will likely  impair  capacity or
willingness to pay interest and repay  principal. The B rating category is  also
used  for debt subordinated to senior debt that is assigned an actual or implied
BB or BB- rating.
 
    PLUS (+) OR (-):  The ratings from  AA to B may be modified by the  addition
of a plus or minus sign to show relative standing within the major categories.
 
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