AMERICAN CAPITAL HARBOR FUND INC
497, 1995-05-05
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<PAGE>   1
 
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AMERICAN CAPITAL HARBOR FUND, INC.
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2800 Post Oak Boulevard, Houston, Texas 77056, (800) 421-5666
May 1, 1995
 
  American Capital Harbor Fund, Inc. (the "Fund") is a mutual fund which seeks
to provide current income, capital appreciation, and conservation of capital by
investing principally in senior securities, primarily convertible bonds and
convertible preferred stocks, of other corporations.
 
  There is no assurance that the Fund will achieve its investment objective.
 
  This Prospectus tells investors briefly the information they should know
before investing in the Fund. Investors should read and retain this Prospectus
for future reference.
 
  A Statement of Additional Information dated the same date as this Prospectus
has been filed with the Securities and Exchange Commission ("SEC") and contains
further information about the Fund. A copy of the Statement of Additional
Information may be obtained without charge by calling or writing the Fund at the
telephone number and address printed above. The Statement of Additional
Information is incorporated by reference into this Prospectus.
 
  THE SHARES OF THIS FUND ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR
ENDORSED BY, ANY BANK AND ARE NOT FEDERALLY INSURED BY THE FEDERAL DEPOSIT
INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER AGENCY.
 
  THE SHARES OF THIS FUND ARE SUBJECT TO INVESTMENT RISKS, INCLUDING POSSIBLE
LOSS OF PRINCIPAL.
 
  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR STATE REGULATORS NOR HAS THE COMMISSION OR STATE
REGULATORS PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
<PAGE>   2
 
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AMERICAN CAPITAL HARBOR FUND, INC.
- ------------------------------------------------------------------------------
 
CUSTODIAN:
State Street Bank and
Trust Company
225 Franklin Street
Boston, Massachusetts 02110
 
SHAREHOLDER SERVICE AGENT:
ACCESS Investor
Services, Inc.
P.O. Box 418256
Kansas City, Missouri 64141-9256
INVESTMENT ADVISER:
Van Kampen American Capital
Asset Management, Inc.
2800 Post Oak Boulevard
Houston, Texas 77056
 
DISTRIBUTOR:
Van Kampen American Capital
Distributors, Inc.
One Parkview Plaza
Oakbrook Terrace, Illinois 60181
 
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TABLE OF CONTENTS
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<TABLE>
<S>                          <C>
Prospectus Summary..........   2
Expense Synopsis............   5
Financial Highlights........   7
Multiple Pricing System.....   9
Investment Objective and
  Policies..................  12
Risks of Lower Rated
  Securities................  13
Investment Practices and
  Restrictions..............  14
The Fund and Its
  Management................  18
Purchase of Shares..........  19
Distribution Plans..........  26
Shareholder Services........  28
Redemption of Shares........  32
Dividends, Distributions and
  Taxes.....................  35
Prior Performance
  Information...............  36
Additional Information......  37
Appendix -- Ratings of
  Senior
  Securities................  39
</TABLE>
 
   No dealer, salesperson, or other person has been authorized to give any
 information or to make any representations other than those contained in this
 Prospectus or in the Statement of Additional Information, and, if given or
 made, such other information or representations must not be relied upon as
 having been authorized by the Fund or by the Distributor. This Prospectus does
 not constitute an offering by the Distributor in any jurisdiction in which
 such offering may not lawfully be made.
 
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PROSPECTUS SUMMARY
- ------------------------------------------------------------------------------
 
  SHARES OFFERED. Capital Stock.
 
  MINIMUM PURCHASE. $500 minimum initial investment and $25 minimum for each
subsequent investment (or less as described under "Purchase of Shares").
 
  TYPE OF COMPANY. Diversified, open-end management investment company.
 
  INVESTMENT OBJECTIVE. Current income, capital appreciation and conservation of
capital. There is, however, no assurance that the Fund will be successful in
achieving its objective.
 
                                        2
<PAGE>   3
 
  INVESTMENT POLICY AND RISKS. Principally in income-producing senior corporate
securities, primarily convertible bonds and convertible preferred stocks. The
Fund may invest in lower-rated convertible securities (commonly referred to as
"junk bonds") which involve additional risks. See "Investment Objective and
Policies -- Risks of Lower-Rated Securities." Use of options, futures contracts
and related options may include additional risks. See "Investment Practices and
Restrictions -- Using Options, Futures Contracts and Related Options."
 
  INVESTMENT RESULTS. The investment results of the Fund during the past ten
years are shown in the table of "Financial Highlights." See also "Prior
Performance Information."
 
  INVESTMENT ADVISER. Van Kampen American Capital Asset Management, Inc. (the
"Adviser") has served as investment adviser to the Fund since 1975. The Adviser
serves as investment adviser to 50 investment company portfolios. See "The Fund
and Its Management."
 
  DISTRIBUTOR. Van Kampen American Capital Distributors, Inc. (the
"Distributor").
 
  MULTIPLE PRICING SYSTEM. The Fund offers three classes of shares to the
general public, each with its own sales charge structure: Class A shares, Class
B shares and Class C shares. Each class has distinct advantages and
disadvantages for different investors, and investors may choose the class of
shares that best suits their circumstances and objectives. Each class of shares
represents an interest in the same portfolio of investments of the Fund. The per
share dividends on Class B and Class C shares will be lower than the per share
dividends on Class A shares. See "Multiple Pricing System." For information on
redeeming shares see "Redemption of Shares."
 
  CLASS A SHARES. These shares are offered at net asset value per share plus a
maximum initial sales charge of 5.75% of the offering price. The Fund pays an
annual service fee of up to 0.25% of its average daily net assets attributable
to such class of shares. See "Purchase of Shares --Class A Shares" and
"Distribution Plans."
 
  CLASS B SHARES. These shares are offered at net asset value per share and are
subject to a maximum contingent deferred sales charge of five percent of
redemption proceeds during the first year, declining each year thereafter to
zero percent after the fifth year. See "Redemption of Shares." The Fund pays a
combined annual distribution fee and service fee of up to one percent of its
average daily net assets attributable to such class of shares. See "Purchase of
Shares -- Class B Shares" and "Distribution Plans." Class B shares will convert
automatically to Class A shares six years after the end of the calendar month in
which the shareholder's order to purchase was accepted. See "Multiple Pricing
System -- Conversion Feature."
 
  CLASS C SHARES. These shares are offered at net asset value per share and are
subject to a contingent deferred sales charge of one percent on redemptions made
within one year of purchase. See "Redemption of Shares." The Fund pays a
combined annual distribution fee and service fee of up to one percent of its
average daily net assets attributable to such class of shares. See "Purchase of
Shares -- Class C Shares" and "Distribution Plans." Class C shares will convert
automatically to Class A shares ten years after the
 
                                        3
<PAGE>   4
 
end of the calendar month in which the shareholder's order to purchase was
accepted. See "Multiple Pricing System -- Conversion Feature."
 
  DIVIDENDS AND DISTRIBUTIONS. Dividends from net investment income are
distributed quarterly; capital gains, if any, are distributed annually. All
dividends and distributions are automatically reinvested in shares of the Fund
at net asset value per share (without sales charge) unless payment in cash is
requested. See "Dividends, Distributions and Taxes."
 
                                        4
<PAGE>   5
 
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EXPENSE SYNOPSIS
- ------------------------------------------------------------------------------
 
  The following tables are intended to assist investors in understanding the
expenses applicable to each class of shares:
 
<TABLE>
<CAPTION>
                            CLASS A SHARES          CLASS B SHARES      CLASS C SHARES
<S>                       <C>                  <C>                     <C>
- ---------------------------------------------------------------------------------------
SHAREHOLDER TRANSACTION
  EXPENSES
Maximum sales charge
  imposed on purchases
  (as a percentage of
  offering price)........ 5.75%(a)             None                    None
Sales charge imposed on
  dividend
  reinvestments.......... None                 None                    None
Deferred sales charge (as
  a percentage of
  original purchase price
  or redemption proceeds,
  whichever is lower).... None*                5% during the first     1% during the
                                               year, 4% during the     first year(b)
                                               second year, 3% during
                                               the third year, 2.5%
                                               during the fourth year,
                                               1.5% during the fifth
                                               year and 0% after the
                                               fifth year(b)
Exchange fee(c).......... $5.00                $5.00                   $5.00

ANNUAL FUND OPERATING EXPENSES
  (as a percentage of average net assets)
Management fees.......... .54%                 .54%                    .54%
Rule 12b-1 fees(d)....... .21%                 1.00%(f)                1.00%(f)
Other expenses(e)........ .29%                 .30%                    .30%
Total fund operating      1.04%                1.84%                   1.84%
  expenses...............
- ---------------------------------------------------------------------------------------
</TABLE>
 
(a) Reduced for purchases of $50,000 and over.  See "Purchase of  Shares -- 
    Class A Shares" -- page 21.
 
(b) See "Purchase of Shares -- Class B Shares" and "-- Class C Shares" -- page
24.
 
(c) Not charged in certain circumstances. See "Shareholder
    Services -- Systematic Exchange" and "-- Automatic Exchange" -- pages 28 and
    29.
 
(d) Up to 0.25% for Class A shares and one percent for Class B and Class C
    shares. See "Distribution Plans" -- page 26.
 
(e) See "The Fund and Its Management" -- page 18.
 
(f) Long-term shareholders may pay more than the economic equivalent of the
    maximum front-end sales charges otherwise permitted by NASD Rules.
 
 *  Investments of $1 million or more are not subject to any sales charges at
    the time of purchase, but a contingent deferred sales charge of one percent
    may be imposed on certain redemptions made within one year of the purchase.
 
                                        5
<PAGE>   6
 
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<TABLE>
<CAPTION>
                                                    CUMULATIVE EXPENSES PAID
                                                       FOR THE PERIOD OF:
                                                  1         3       5        10
EXAMPLE                                          YEAR      YEARS   YEARS    YEARS
- ---------------------------------------------------------------------------------
<S>                                              <C>       <C>     <C>      <C>
An investor would pay the following expenses on
  a $1,000 investment including, for Class A
  shares, the maximum $57.50 front-end sales
  charge and for Class B and Class C shares, a
  contingent deferred sales charge assuming (1)
  an operating expense ratio of 1.04% for Class
  A shares, 1.84% for Class B shares and 1.84%
  for Class C shares, (2) a 5% annual return
  throughout the period and (3) redemption at
  the end of the period:
    Class A....................................  $68       $89     $112     $177
    Class B....................................  $70       $91     $117     $176**
    Class C....................................  $29       $58     $100     $216
An investor would pay the following expenses on
  the same $1,000 investment assuming no
  redemption at the end of the period:
    Class A....................................  $68       $89     $112     $177
    Class B....................................  $19       $58     $100     $176**
    Class C....................................  $19       $58     $100     $216
</TABLE>
 
- ------------------------------------------------------------------------------
 
** Based on conversion to Class A shares after six years.
 
  The purpose of the foregoing table is to assist the investor in understanding
the various costs and expenses that an investor in the Fund will bear directly
or indirectly. See "Purchase of Shares," "The Fund and Its Management" and
"Redemption of Shares." The example is included to provide a means for the
investor to compare expense levels of funds with different fee structures over
varying investment periods. To facilitate such comparison, all funds are
required to utilize a five percent annual return assumption. This assumption is
unrelated to a Fund's prior performance and is not a projection of future
performance. The example should not be considered a representation of past or
future expenses. Actual expenses may be greater or less than those shown.
 
                                        6
<PAGE>   7
 
- --------------------------------------------------------------------------------
FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------
  (Selected data for a share of capital stock outstanding throughout each of the
periods indicated)
 
    The following information for each of the five most recent fiscal years has
been audited by Price Waterhouse LLP, independent accountants, whose report
thereon was unqualified. This information should be read in conjunction with the
financial statements and notes thereto included in the Fund's Annual Report to
shareholders for the year ended December 31, 1994, which are incorporated by
reference in the Statement of Additional Information.
 
   
<TABLE>
<CAPTION>
                                                                          CLASS A
                          -------------------------------------------------------------------------------------------------------
                                                                  YEAR ENDED DECEMBER 31
                          -------------------------------------------------------------------------------------------------------
                           1994      1993      1992      1991       1990       1989       1988       1987     1986(3)      1985
                          -------   -------   -------   -------   --------   --------   --------   --------   --------   --------
<S>                       <C>       <C>       <C>       <C>       <C>        <C>        <C>        <C>        <C>        <C>
PER SHARE OPERATING
  PERFORMANCE
Net asset value,
  beginning of period.... $15.12    $14.95    $14.92    $12.93     $14.05     $12.39     $11.48     $13.42     $13.99     $12.10
                          -------   -------   -------   -------   --------   --------   --------   --------   --------   --------
INCOME FROM OPERATIONS
Investment income........    .78       .85       .90       .955      1.115      1.00        .94        .76        .79        .81
Expenses.................   (.15)     (.16)     (.15)     (.13)      (.12)     (.105)      (.09)      (.08)      (.09)      (.08)
                          -------   -------   -------   -------   --------   --------   --------   --------   --------   --------
Net investment income....    .63       .69       .75       .825       .995       .895       .85        .68        .70        .73
Net realized and
  unrealized gains or
  losses on securities... (1.5625)    1.365     .6275     2.085   (1.1525)      1.605      1.03    (1.0625)      1.13       2.08
                          -------   -------   -------   -------   --------   --------   --------   --------   --------   --------
Total from investment
  operations............. (.9325)     2.055    1.3775     2.91     (.1575)      2.50       1.88     (.3825)      1.83       2.81
                          -------   -------   -------   -------   --------   --------   --------   --------   --------   --------
LESS DISTRIBUTIONS
Dividends from net
  investment income......   (.62)     (.66)     (.84)     (.92)      (.87)      (.84)      (.84)      (.84)      (.84)      (.84)
Distributions from net
  realized gains on
  securities.............  (.108)   (1.225)   (.5075)    --        (.0925)     --          (.13)    (.7175)     (1.56)      (.08)
Distributions in excess
  of book-basis is net
  realized gains on
  securities............. (.2195)    --        --        --         --         --         --         --         --         --
                          -------   -------   -------   -------   --------   --------   --------   --------   --------   --------
Total distributions...... (.9475)   (1.885)   (1.3475)    (.92)    (.9625)      (.84)      (.97)   (1.5575)     (2.40)      (.92)
                          -------   -------   -------   -------   --------   --------   --------   --------   --------   --------
Net asset value, end of
  period................. $13.24    $15.12    $14.95    $14.92     $12.93     $14.05     $12.39     $11.48     $13.42     $13.99
                          ========= ========= ========= ========= ========== ========== ========== ========== ========== ==========
TOTAL RETURN(4).......... (6.43%)    13.56%     9.63%    23.08%    (1.23%)     20.59%     16.76%    (3.76%)     13.73%     24.21%
RATIOS/SUPPLEMENTAL DATA
Net assets, end of period
  (millions)............. $369.7    $432.3    $394.1    $385.5    $336.9     $387.3     $342.1     $364.4     $317.3     $208.9
Ratios to average net
  assets
  Expenses...............   1.04%     1.02%      .99%      .91%       .89%       .76%       .71%       .60%       .64%       .63%
  Net investment
    income...............   4.39%     4.37%     5.00%     5.86%      7.29%      6.52%      6.82%      4.87%      4.88%      5.78%
Portfolio turnover
  rate................... 105%      134%      85%       91%        71%        94%        95%        83%        83%        89%
</TABLE>
    
 
   
                                             (Table continued on following page)
    
 
                                        7
<PAGE>   8
 
   
<TABLE>
<CAPTION>
                                                                           CLASS B(1)                          CLASS C
                                                               ----------------------------------    ----------------------------
                                                                                                                     OCTOBER 26,
                                                                           YEAR ENDED                                  1993(2)
                                                                          DECEMBER 31                 YEAR ENDED       THROUGH
                                                               ----------------------------------    DECEMBER 31,    DECEMBER 31,
                                                                 1994       1993(3)      1992(3)         1994          1993(3)
                                                               --------     --------     --------    ------------    ------------
<S>                                                            <C>          <C>          <C>         <C>             <C>
PER SHARE OPERATING PERFORMANCE
Net asset value, beginning of period.......................     $15.07       $14.90       $14.91        $15.13          $16.14
                                                               --------     --------     --------    ------------    ------------
INCOME FROM OPERATIONS
Investment income..........................................        .77          .83          .87           .78             .22
Expenses...................................................       (.26)        (.27)       (.275)         (.26)           (.07)
                                                               --------     --------     --------    ------------    ------------
Net investment income......................................        .51          .56          .595          .52             .15
Net realized and unrealized gains or losses on
  securities...............................................    (1.5505)        1.375         .63         (1.5705)         (.0325)
                                                               --------     --------     --------    ------------    ------------
Total from investment operations...........................    (1.0405)        1.935        1.225        (1.0505)          .1175
                                                               --------     --------     --------    ------------    ------------
LESS DISTRIBUTIONS
Dividends from net investment income.......................      (.502)        (.54)      (.7275)         (.502)          (.125)
Distributions from net realized gains on securities........      (.108)      (1.225)      (.5075)         (.108)         (1.0025)
Distributions in excess of book-basis is net realized gains
  on securities............................................     (.2195)       --           --        (.2195)             --
                                                               --------     --------     --------    ------------    ------------
Total distributions........................................     (.8295)      (1.765)      (1.235)         (.8295)        (1.1275)
                                                               --------     --------     --------    ------------    ------------
Net asset value, end of period.............................     $13.20       $15.07       $14.90        $13.25          $15.13
                                                               ==========   ==========   ==========  ==============  =============
TOTAL RETURN(4)............................................     (7.11%)       12.68%        8.56%        (7.14%)           .93%
RATIOS/SUPPLEMENTAL DATA
Net assets, end of period (millions).......................    $71.1        $60.1        $20.0         $3.3            $1.1
Ratios to average net assets
  Expenses.................................................       1.84%        1.73%        1.88%         1.84%           1.90%(5)
  Net investment income....................................       3.63%        3.62%        4.08%         3.72%           3.88%(5)
Portfolio turnover rate....................................    105%         134%          85%          105%            134%
</TABLE>
    
 
- ------------
 
(1) Sales of Class B shares commenced on December 20, 1991 at a net asset value
    of $14.32 per share. At December 31, 1991, there were 15,738 Class B shares
    outstanding with a per share net asset value of $14.91. The increase in net
    asset value was due principally to unrealized appreciation; there were no
    dividends or distributions paid during the period. Other financial
    highlights for the Class B shares for this short period are not presented as
    they are not meaningful.
(2) Commencement of offering of sales.
(3) Based on average month-end shares outstanding.
(4) Total return of periods of less than one full year are not annualized. Total
    return does not consider the effect of sales charges.
(5)  Annualized.
 
                                        8
<PAGE>   9
 
- ------------------------------------------------------------------------------
MULTIPLE PRICING SYSTEM
- ------------------------------------------------------------------------------
 
  The Multiple Pricing System permits an investor to choose the method of
purchasing shares that is most beneficial given the amount of the purchase and
the length of time the investor expects to hold the shares.
 
  CLASS A SHARES. Class A shares are sold at net asset value plus an initial
maximum sales charge of up to 5.75% of the offering price. Class A shares are
subject to an ongoing service fee at an annual rate of up to 0.25% of the Fund's
aggregate average daily net assets attributable to the Class A shares. Certain
purchases of Class A shares qualify for a reduced initial sales charge. See
"Purchase of Shares -- Class A Shares."
 
  CLASS B SHARES. Class B shares are sold at net asset value and are subject to
a deferred sales charge if they are redeemed within five years of purchase.
Class B shares are subject to an ongoing service fee at an annual rate of up to
0.25% of the Fund's aggregate average daily net assets attributable to the Class
B shares and an ongoing distribution fee at an annual rate of up to 0.75% of the
Fund's aggregate average daily net assets attributable to the Class B shares.
Class B shares enjoy the benefit of permitting all of the investor's dollars to
work from the time the investment is made. The ongoing distribution fee paid by
Class B shares will cause such shares to have a higher expense ratio and to pay
lower dividends than those related to Class A shares. See "Purchase of
Shares -- Class B Shares." Class B shares will automatically convert to Class A
shares six years after the end of the calendar month in which the shareholder's
order to purchase was accepted. See "Conversion Feature" herein for discussion
on applicability of the conversion feature to Class B shares.
 
  CLASS C SHARES. Class C shares are sold at net asset value and are subject to
a deferred sales charge if redeemed within one year of purchase. Class C shares
are subject to an ongoing service fee at an annual rate of up to 0.25% of the
Fund's aggregate average daily net assets attributable to the Class C shares and
an ongoing distribution fee at an annual rate of up to 0.75% of the Fund's
aggregate average daily net assets attributable to the Class C shares. Class C
shares enjoy the benefit of permitting all of the investor's dollars to work
from the time the investment is made. The ongoing distribution fee paid by Class
C shares will cause such shares to have a higher expense ratio and to pay lower
dividends than those related to Class A shares. See "Purchase of Shares -- Class
C Shares." Class C shares will automatically convert to Class A shares ten years
after the end of the calendar month in which the shareholder's order to purchase
was accepted. See "Conversion Feature" herein for discussion on applicability of
the conversion feature to Class C shares.
 
  CONVERSION FEATURE. Class B shares and Class C shares will automatically
convert to Class A shares six years or ten years, respectively, after the end of
the calendar month in which the shares were purchased and will no longer be
subject to the distribution fee. Such conversion will be on the basis of the
relative net asset values per share, without the imposition of any sales load,
fee or other charge. The purpose of the conversion feature is to relieve the
holders of the Class B shares and Class C shares that have been outstanding for
a period of time sufficient for the Distributor to have been substantially
compen-
 
                                        9
<PAGE>   10
 
sated for distribution expenses related to the Class B shares or Class C shares
as the case may be from the burden of the ongoing distribution fee.
 
  For purposes of conversion to Class A, shares purchased through the
reinvestment of dividends and distributions paid on Class B shares and Class C
shares in a shareholder's Fund account will be considered to be held in a
separate sub-account. Each time any Class B shares or Class C shares in the
shareholder's Fund account (other than those in the sub-account) convert to
Class A, an equal pro rata portion of the Class B shares or Class C shares in
the sub-account will also convert to Class A.
 
  The conversion of Class B shares and Class C shares to Class A shares is
subject to the continuing availability of an opinion of counsel to the effect
that (i) the assessment of the distribution fee and higher transfer agency costs
with respect to Class B shares and Class C shares does not result in the Fund's
dividends or distributions constituting "preferential dividends" under the
Internal Revenue Code, as amended (the "Code"), and (ii) the conversion of
shares does not constitute a taxable event under federal income tax law. The
conversion of Class B shares and Class C shares may be suspended if such an
opinion is no longer available. In that event, no further conversions of Class B
shares or Class C shares would occur, the shares might continue to be subject to
the distribution fee for an indefinite period which may extend beyond the period
ending six years or ten years, respectively, after the end of the calendar month
in which the shareholder's order to purchase was accepted.
 
  FACTORS FOR CONSIDERATION. In deciding which class of shares to purchase,
investors should take into consideration their investment goals, present and
anticipated purchase amounts, time horizons and temperaments. Investors should
consider whether, during the anticipated life of their investment in the Fund,
the accumulated distribution fees and contingent deferred sales charges on Class
B shares or Class C shares prior to conversion would be less than the initial
sales charge on Class A shares purchased at the same time, and to what extent
such differential would be offset by the higher dividends per share on Class A
shares. To assist investors in making this determination, the table under the
caption "Expense Synopsis" sets forth examples of the charges applicable to each
class of shares. In this regard, Class A shares may be more beneficial to the
investor who qualifies for reduced initial sales charges or purchases shares at
net asset value, as described herein under "Purchase of Shares -- Class A
Shares." For these reasons, the Distributor will reject any order of $250,000 or
more for Class B shares or any order of $1 million or more for Class C shares.
 
  Class A shares are not subject to an ongoing distribution fee and,
accordingly, receive correspondingly higher dividends per share. However,
because initial sales charges are deducted at the time of purchase, investors in
Class A shares do not have all their funds invested initially and, therefore,
initially own fewer shares. Other investors might determine that it is more
advantageous to purchase either Class B shares or Class C shares and have all
their funds invested initially, although remaining subject to ongoing
distribution fees and, for a five-year or one-year period, respectively, being
subject to a contingent deferred sales charge. Ongoing distribution fees on
Class B shares and Class C shares will be offset to the extent of the additional
funds originally invested and any return realized on those funds. However, there
can be no assurance as to the return, if any, which will be
 
                                       10
<PAGE>   11
 
realized on such additional funds. For investments held for ten years or more,
the relative value upon liquidation of the three classes tends to favor Class A
or Class B shares, rather than Class C shares.
 
  Class A shares may be appropriate for investors who prefer to pay the sales
charge up front, want to take advantage of the reduced sales charges available
on larger investments, wish to maximize their current income from the start,
prefer not to pay redemption charges and/or have a longer-term investment
horizon. Class B shares may be appropriate for investors who wish to avoid a
front-end sales charge, put 100% of their investment dollars to work
immediately, and/or have a longer-term investment horizon. Class C shares may be
appropriate for investors who wish to avoid a front-end sales charge, put 100%
of their investment dollars to work immediately, have a shorter-term investment
horizon and/or desire a short contingent deferred sales charge schedule.
 
  Under most circumstances, for investments aggregating less than $100,000 at
the time of purchase, investments originally made in Class C shares will tend to
have a slightly higher value upon liquidation than investments originally made
in either Class A or Class B shares if liquidated within approximately the first
six years after the date of the original investment and investments originally
made in Class B shares will tend to have a slightly higher value upon
liquidation than investments originally made in either Class A or Class C shares
for investments held longer. Under most circumstances, for investments
aggregating $100,000 or more at the time of purchase, investments originally
made in Class C shares will tend to have a slightly higher value upon
liquidation than either investments originally made in Class A or Class B shares
if liquidated within approximately the first two to the first six years after
the date of the original investment, but investments originally made in Class A
and Class B shares will tend to have a slightly higher value upon liquidation
for investments held longer. The foregoing will not, however, be true in all
cases. Particularly, if the Fund experiences a consistently negative or widely
fluctuating total return, results may differ.
 
  The distribution expenses incurred by the Distributor in connection with the
sale of the shares will be reimbursed, in the case of Class A shares, from the
proceeds of the initial sales charge and, in the case of Class B shares and
Class C shares, from the proceeds of the ongoing distribution fee and any
contingent deferred sales charge incurred upon redemption within five years or
one year, respectively, of purchase. Sales personnel of broker-dealers
distributing the Fund's shares and other persons entitled to receive
compensation for selling such shares may receive differing compensation for
selling such shares. INVESTORS SHOULD UNDERSTAND THAT THE PURPOSE AND FUNCTION
OF THE CONTINGENT DEFERRED SALES CHARGE AND ONGOING DISTRIBUTION FEE WITH
RESPECT TO THE CLASS B SHARES AND CLASS C SHARES ARE THE SAME AS THOSE OF THE
INITIAL SALES CHARGE WITH RESPECT TO CLASS A SHARES. See "Distribution Plans."
 
  GENERAL. Dividends paid by the Fund with respect to Class A, Class B and Class
C shares will be calculated in the same manner at the same time on the same day,
except that the distribution fees and any incremental transfer agency costs
relating to Class B or Class C shares will be borne by the respective class. See
"Dividends, Distributions and Taxes." Shares of the Fund may be exchanged,
subject to certain limitations, for shares of
 
                                       11
<PAGE>   12
 
the same class of other mutual funds advised by the Adviser. See "Shareholder
Services -- Exchange Privilege."
 
  The Directors of the Fund have determined that currently no conflict of
interest exists between the classes of shares. On an ongoing basis, the
Directors of the Fund, pursuant to their fiduciary duties under the Investment
Company Act of 1940 (the "1940 Act") and state laws, will seek to ensure that no
such conflict arises.
 
- ------------------------------------------------------------------------------
INVESTMENT OBJECTIVE AND POLICIES
- ------------------------------------------------------------------------------
 
  The Fund seeks to provide current income, capital appreciation, and
conservation of the shareholder's capital by investing principally in fixed
income securities, primarily convertible bonds and convertible preferred stocks.
Convertible bonds and preferred stocks generally are fixed income securities
which do not participate in any dividend increases or decreases of the
underlying common stocks. However, the market prices of convertible bonds and
preferred stocks may be affected by any such dividend changes.
 
  The fixed income securities acquired by the Fund are not subject to any
limitations as to ratings and may include high, medium, lower and non-rated debt
securities. Under normal market conditions, most of the convertible debt
securities held by the Fund are rated as medium grade obligations. Lower-rated
securities (commonly referred to as "junk bonds") are generally subject to
greater credit risks than higher-rated securities. To the extent that the Fund
invests a large portion of its total assets in lower-rated securities, the
Fund's ability to conserve shareholder capital may be diminished. Fixed income
securities with longer maturities generally tend to produce higher yields and
are subject to greater market price fluctuation as a result of changes in
interest rates than fixed income securities with shorter maturities.
 
  Convertible securities rank senior to common stocks in a corporation's capital
structure. They are consequently of higher quality and entail less risk than the
corporation's common stock, although the extent to which such risk is reduced
depends in large measure upon the degree to which the convertible security sells
above its value as a fixed income security. Through careful selection of
individual securities, diversification of investments, and by continuing
supervision of the investment portfolio, the Adviser strives to reduce risk and
thereby conserve principal. While attractive convertible securities of desired
quality may not be available in all industries at all times, their general
availability is considered by the Adviser to be more than adequate in light of
the Fund's investment objectives.
 
  The Fund also seeks to provide capital appreciation by investing primarily in
securities that carry the right of conversion into, or the right to purchase,
common stocks. The Fund may also invest up to 45% of its total assets in common
stocks. The Fund will give priority, where consistent with its other objectives,
to the convertible securities and common stocks of companies whose common stocks
appear to have good prospects for capital appreciation. This policy will
ordinarily emphasize companies that have an established record of growth.
However, the Fund may invest in more cyclical companies when the investment can
be made at prices considered attractive by the Adviser. There
 
                                       12
<PAGE>   13
 
can, of course, be no assurance that the policies of the Fund will actually
result in a growth in value of shareholders' investments.
 
  In seeking the above objectives, it is a fundamental policy of the Fund to
invest the major part (over 50%) of its total assets, excluding cash, cash
equivalents, and government securities, in convertible securities, except in
times of abnormal and unusual market conditions when the Adviser feels that a
more defensive position is necessary for a temporary period. Cash equivalents
include certificates of deposit, prime commercial paper, bankers' acceptances
and repurchase agreements. See "Investment Practices and
Restrictions -- Repurchase Agreements." Under such circumstances, the Fund may
invest up to 100% of its assets in nonconvertible senior securities including
securities issued or guaranteed by the U.S. Government, its agencies or
instrumentalities and investment grade corporate bonds. It is a fundamental
policy of the Fund not to invest more than 45% of its total assets in common
stocks.
- ------------------------------------------------------------------------------
RISKS OF LOWER-RATED SECURITIES
- ------------------------------------------------------------------------------
 
  Convertible securities are generally not investment grade, that is, not rated
within the four highest categories by Moody's Investors Service ("Moody's") or
Standard & Poor's Corporation ("S&P"). See the Appendix for a description of
these ratings. To the extent that convertible securities or other debt
securities acquired by the Fund are rated lower than investment grade or are not
rated, there is a greater risk as to the timely repayment of the principal of,
and timely payment of interest or dividends on, such securities. The Fund may
purchase convertible securities and other debt securities rated BB or lower by
S&P or Ba or lower by Moody's which ratings are considered by the rating
agencies to be speculative with respect to the issuer's continuing ability to
meet principal and interest payments. Decisions to purchase and sell these
securities are based on the Adviser's evaluation of their investment potential
and not on the ratings assigned by credit agencies. Because investment in
lower-rated securities involves greater investment risk, the Fund's performance
may depend to a significant degree on the Adviser's investment analysis.
Lower-rated securities may be more susceptible to real or perceived adverse
economic and competitive industry conditions than investment grade securities. A
projection of an economic downturn, for example, could cause a decline in prices
of lower-rated securities because the advent of a recession could lessen the
ability of a highly leveraged company to make principal and interest payments on
its senior securities. In addition, the secondary trading market for lower-rated
securities may be less liquid than the market for higher grade securities.
 
  Prices of lower-rated fixed income securities may decline rapidly in the event
a significant number of holders decide to sell. Changes in expectations
regarding an issuer, an industry or lower-rated fixed income securities
generally could reduce market liquidity for such securities and make their sale
by the Fund more difficult, at least in the absence of price concessions. An
economic down-turn or an increase in interest rates could severely disrupt the
market for high yield bonds and adversely affect the value of outstanding bonds
and the ability of the issuers to repay principal and interest. See "Risk
Factors" in the Statement of Additional Information for a further discussion of
risk factors associated with investments in lower-rated securities.
 
                                       13
<PAGE>   14
 
  During the fiscal year ended December 31, 1994, the average percentage of the
Fund's assets invested in debt securities within the various rating categories
(based on the higher of the S&P or Moody's ratings), and the non-rated debt
securities, determined on a dollar weighted average, were as follows:
- ------------------------------------------------------------------------------
 
<TABLE>
  <S>                   <C>
  AAA/Aaa.............     .13%
  AA/Aa...............    3.89%
  A/A.................   10.64%
  BBB/Baa.............   15.40%
  BB/Ba...............    9.72%
  B/B.................    9.33%
  CCC/Caa.............     .37%
  *Non-rated..........    2.56%
  Preferred Stocks....   19.00%
  Common
    Stocks/Warrants...   20.61%
  Cash and
    Equivalents.......    8.35%
                        ------
         Total Net
            Assets....     100%
                        =======
</TABLE>
 
 ------------------------------------------------------------------------------
 
* The non-rated securities as a percentage of total net assets were considered
  by the Adviser to be comparable to securities rated by Moody's as follows:
  BB -- 2.56%.
 
  CONVERTIBLE SECURITIES. A "convertible security" includes any debt security or
preferred stock which has the right to be converted into any other security or
which carries with it the right to purchase any other security, any unit
including one of the foregoing, and any other security for which it is expected
that one of the foregoing will be received in exchange within a reasonably short
period of time in a merger, acquisition, reorganization, recapitalization, or
otherwise. A convertible security entitles the holder to exchange it for a fixed
number of shares of common stock or other equity security, usually of the same
company, at fixed prices within a specified period of time. As such, a
convertible security entitles the holder to receive the fixed income of a bond
or the dividend preference of a preferred stock until the holder elects to
exercise the conversion privilege. The difference between the market price of
the convertible security and the market price of the securities into which it
may be converted is called the "premium." When the premium is small, the
convertible security has performance characteristics similar to an equity
security; when the premium is large, the convertible security has performance
characteristics similar to a fixed income security. The conversion privilege may
also take the form of warrants attached to the bond or preferred stock which
entitle the holder to purchase a specific number of shares of common stock or
other equity security, usually of the same company, at fixed prices for a
specified period of time.
 
- ------------------------------------------------------------------------------
INVESTMENT PRACTICES AND RESTRICTIONS
- ------------------------------------------------------------------------------
 
  REPURCHASE AGREEMENTS. The Fund may enter into repurchase agreements with
domestic banks or broker-dealers in order to earn a return on temporarily
available cash. A repurchase agreement is a short-term investment in which the
purchaser (i.e., the Fund) acquires ownership of a debt security and the seller
agrees to repurchase the obligation at a future time and set price, thereby
determining the yield during the holding period. Repurchase agreements involve
certain risks in the event of default by the other party. The Fund may invest up
to 25% of its assets in repurchase agreements but will not invest in repurchase
agreements maturing in more than seven days if any such investment, together
with any other illiquid securities held by the Fund, would exceed ten percent of
the value of its net assets. In the event of a bankruptcy or other default of a
seller
 
                                       14
<PAGE>   15
 
of a repurchase agreement, the Fund could experience both delays in liquidating
the underlying securities and loss including: (a) possible decline in the value
of the underlying security during the period while the Fund seeks to enforce its
rights thereto, (b) possible lack of access to income on the underlying security
during this period, and (c) expenses of enforcing its rights. See the Statement
of Additional Information.
 
  For the purpose of investing in repurchase agreements, the Adviser may
aggregate the cash that substantially all of the funds advised or subadvised by
the Adviser would otherwise invest separately into a joint account. The cash in
the joint account is then invested and the funds that contributed to the joint
account share pro rata in the net revenue generated. The Adviser believes that
the joint account produces greater efficiencies and economies of scale that may
contribute to reduced transaction costs, higher returns, higher quality
investments and greater diversity of investments for the Fund than would be
available to the Fund investing separately. The manner in which the joint
account is managed is subject to conditions set forth in the SEC order obtained
by the Fund authorizing this practice, which conditions are designed to ensure
the fair administration of the joint account and to protect the amounts in that
account.
 
  RESTRICTED SECURITIES. The Fund may invest up to ten percent of its net assets
in restricted securities and other illiquid assets. As used herein, restricted
securities are those that have been sold in the United States without
registration under the Securities Act of 1933 and are thus subject to
restrictions on resale. Excluded from the limitation, however, are any
restricted securities which are eligible for resale pursuant to Rule 144A under
the Securities Act of 1933 and which have been determined to be liquid by the
Board of Directors or by the Adviser pursuant to Board-approved guidelines.
Restricted securities generally may be resold only in privately negotiated
transactions with a limited number of purchasers or in a public offering
registered under the Securities Act of 1933. Considerable delay could be
encountered in either event. These difficulties and delays could result in the
Fund's inability to realize a favorable price upon disposition of restricted
securities, and in some cases might make disposition of such securities at the
time desired by the Fund impossible. Since market quotations may not be readily
available for restricted securities, such securities will be valued by a method
that the Fund's Board of Directors believes accurately reflects fair value.
 
  USING OPTIONS, FUTURES CONTRACTS AND RELATED OPTIONS. The Fund expects to
utilize options, futures contracts and options thereon in several different
ways, depending upon the status of the Fund's portfolio and the Adviser's
expectations concerning the securities markets. The Fund may use one or more of
the following strategies in connection with the equity portion of its portfolio.
 
  In times of stable or rising security prices, the Fund generally seeks to
obtain maximum exposure to the securities markets, i.e., to be "fully invested."
Nevertheless, even when the Fund is fully invested, prudent management requires
that at least a small portion of assets be available as cash to honor redemption
requests and for other short-term needs. The Fund may also have cash on hand
that has not yet been invested. The portion of the Fund's assets that is
invested in cash equivalents does not fluctuate with security market prices, so
that, in times of rising market prices, the Fund may underperform the market in
proportion to the amount of cash equivalents in its portfolio. By purchasing
 
                                       15
<PAGE>   16
 
futures contracts, however, the Fund can compensate for the cash portion of its
assets and obtain equivalent performance to investing 100% of its assets in
equity securities.
 
  If the Adviser forecasts a market decline, the Fund may take a defensive
position, reducing its exposure to the securities markets by increasing its cash
position. By selling futures contracts instead of portfolio securities, a
similar result can be achieved to the extent that the performance of the stock
index futures contracts correlates to the performance of the Fund's portfolio
securities. Sale of futures contracts could frequently be accomplished more
rapidly and at less cost than the actual sale of securities. Once the desired
hedged position has been effected, the Fund could then liquidate securities in a
more deliberate manner, reducing its futures position simultaneously to maintain
the desired balance, or it could maintain the hedged position.
 
  As an alternative to selling stock index futures contracts, the Fund can
purchase stock index puts, or stock index futures puts, to hedge the portfolio's
risk in a declining market. Since the value of a put increases as the index
declines below a specified level, the portfolio's value is protected against a
market decline to the degree the performance of the index correlates with the
performance of the Fund's investment portfolio. If the market remains stable or
advances, the Fund can refrain from exercising the put and its portfolio will
participate in the advance, having incurred only the premium cost for the put.
 
  In many cases the Fund could achieve results similar to those available from
options and futures contracts without investing in the options and futures
markets. For example, instead of hedging portfolio securities it owned with
options and futures contracts, the Fund could sell the securities and invest the
proceeds in money market instruments. In other cases, however, the options and
futures markets provide investment or risk management opportunities that are not
available from direct investments in securities. In addition, some strategies
can be performed with greater ease and at lower cost by utilizing the options
and futures markets.
 
  POTENTIAL RISKS OF OPTIONS, FUTURES CONTRACTS AND RELATED OPTIONS.  The
purchase and sale of options, futures contracts and related options involve
risks different from those involved with direct investments in securities. While
utilization of options, futures contracts and similar instruments may be
advantageous to the Fund, if the Adviser is not successful in employing such
instruments in managing the Fund's investments, the Fund's performance will be
worse than if the Fund did not make such investments. In addition, the Fund
would pay commissions and other costs in connection with such investments, which
may increase the Fund's expenses and reduce its return. Use of options and
futures would be likely to increase the Fund's portfolio turnover rate and
increase transaction costs. Capital gains realized by the Fund from transactions
in options and futures contracts may increase shareholders' tax liability if not
offset by capital losses realized by the Fund. The Fund may write or purchase
options in privately negotiated transactions ("OTC Options") as well as listed
options. OTC Options can be closed out only by agreement with the other party to
the transaction. Any OTC Option purchased by the Fund is considered an illiquid
security. Any OTC Option written by the Fund is with a qualified dealer pursuant
to an agreement under which the Fund may repurchase the option at a formula
price. Such options are considered illiquid to the extent that the formula price
exceeds the intrinsic value of the option. The Fund may not
 
                                       16
<PAGE>   17
 
purchase or sell futures contracts or related options for which the aggregate
initial margin and premiums exceed five percent of the fair market value of the
Fund's assets. In order to prevent leverage in connection with the purchase of
futures contracts by the Fund, an amount of cash, cash equivalents or liquid
high grade debt securities equal to the market value of the obligation under the
futures contracts, less any related margin deposits, will be maintained in a
segregated account with the Custodian. The Fund may not invest more than ten
percent of its net assets, determined at the time of investment, in illiquid
securities and repurchase agreements which have a maturity of longer than seven
days. A more complete discussion of the potential risks involved in transactions
in options or futures contracts and related options is contained in the
Statement of Additional Information.
 
  PORTFOLIO TRANSACTIONS AND BROKERAGE PRACTICES.  The Adviser is responsible
for the placement of orders for the purchase and sale of portfolio securities
for the Fund and the negotiation of brokerage commissions on such transactions.
Brokerage firms are selected on the basis of their professional capability for
the type of transaction and the value and quality of execution services rendered
on a continuing basis. The Adviser is authorized to place portfolio transactions
with brokerage firms participating in the distribution of shares of the Fund and
other American Capital mutual funds if it reasonably believes that the quality
of the execution and the commission are comparable to that available from other
qualified brokerage firms. The Adviser is authorized to pay higher commissions
to brokerage firms that provide it with investment and research information than
to firms which do not provide such services if the Adviser determines that such
commissions are reasonable in relation to the overall services provided. The
information received may be used by the Adviser in managing the assets of other
advisory accounts as well as in the management of the assets of the Fund.
 
  PORTFOLIO TURNOVER. The Fund purchases securities which are believed by the
Adviser to have above average potential for current income, capital appreciation
and conservation of capital. Securities are disposed of in situations where it
is believed that the potential for achieving such objectives has lessened or
that other securities have a greater potential. Therefore, the Fund may purchase
and sell securities without regard to the length of time the security is to be,
or has been held. The Fund's annual portfolio turnover is shown in the table of
"Financial Highlights." The rate may exceed 100%, which is higher than that of
many other investment companies. A 100% turnover rate occurs, for example, if
all the Fund's portfolio securities are replaced during one year. High portfolio
activity increases the Fund's transaction costs, including brokerage
commissions. To the extent short-term trading results in realization of gains on
securities held for one year or less, shareholders are subject to taxes at
ordinary income rates.
 
  INVESTMENT RESTRICTIONS. The Fund has adopted certain investment restrictions
which, like the investment objective, may not be changed without approval by a
majority, as defined in the 1940 Act, vote of the Fund's shareholders. One of
these restrictions provides that the Fund may not invest more than 25% of its
assets in securities issued by companies in any one industry.
 
  In addition to the foregoing, the Fund has adopted additional investment
restrictions which may be changed by the Board of Directors without a vote of
shareholders. One of
 
                                       17
<PAGE>   18
 
these restrictions provides that the Fund may not invest more than 15% of the
value of its assets in securities of foreign issuers. Foreign investments may be
subject to special risks, including future political and economic developments,
the possible imposition of additional withholding taxes on dividend or interest
income payable on the securities, the seizure or nationalization of companies,
establishment of exchange controls or adoption of other restrictions which might
adversely affect the investment. Another of these restrictions provides that the
Fund may not invest more than ten percent of its net assets, determined at the
time of investment, in illiquid securities and repurchase agreements that have a
maturity of longer than seven days.
 
- ------------------------------------------------------------------------------
THE FUND AND ITS MANAGEMENT
- ------------------------------------------------------------------------------
 
  The Fund is an open-end, diversified management investment company,
incorporated in Delaware on July 16, 1956, and reincorporated by merger into a
Maryland corporation on December 29, 1978. A mutual fund provides, for those who
have similar investment goals, a practical and convenient way to invest in a
diversified portfolio of securities by combining their resources in an effort to
achieve such goals.
 
  A board of eight directors has the responsibility for overseeing the affairs
of the Fund. The Adviser, 2800 Post Oak Boulevard, Houston, Texas 77056,
determines the investment of the Fund's assets, provides administrative services
and manages the Fund's business and affairs. The Adviser, together with its
predecessors, has been in the investment advisory business since 1926 and has
served as investment adviser to the Fund since 1975. As of March 31, 1995, the
Adviser provides investment advice to 47 investment company portfolios with
total net assets of approximately $16.4 billion.
 
  The Adviser and the Distributor are wholly owned subsidiaries of Van Kampen
American Capital, Inc. ("VKAC"), which is a wholly owned subsidiary of VK/AC
Holding, Inc. VK/AC Holding, Inc. is controlled, through the ownership of a
substantial majority of its common stock, by the Clayton & Dubilier Private
Equity Fund IV Limited Partnership ("C&D L.P."), a Connecticut limited
partnership. C&D L.P. is managed by Clayton, Dubilier & Rice, Inc., a New York
based private investment firm. The General Partner of C&D L.P. is Clayton &
Dubilier Associates IV Limited Partnership ("C&D Associates L.P."). The general
partners of C&D Associates L.P. are Joseph L. Rice, III, B. Charles Ames,
Alberto Cribiore, Donald J. Gogel and Hubbard C. Howe, each of whom is a
principal of Clayton, Dubilier & Rice, Inc. In addition, certain officers,
directors and employees of VKAC own, in the aggregate, not more than six percent
of the common stock of VK/AC Holding, Inc. and have the right to acquire, upon
the exercise of options, approximately an additional 10% of the common stock of
VK/AC Holding, Inc.
 
  Mr. Don G. Powell is President and Director of the Fund, President, Chief
Executive Officer and Director of the Adviser, and Chairman, Chief Executive
Officer and Director of the Distributor. Most other officers of the Fund are
also officers and/or directors of the Adviser.
 
  The Fund retains the Adviser to manage the investment of its assets and to
place orders for the purchase and sale of its portfolio securities. Under an
investment advisory agreement dated December 20, 1994 (the "Advisory
Agreement"), the Fund pays the Adviser
 
                                       18
<PAGE>   19
 
a monthly fee computed on average daily net assets of the Fund at the annual
rate of 0.55% on the first $350 million of average net assets; 0.50% on the next
$350 million of average net assets; 0.45% on the next $350 million of average
net assets; and 0.40% on average net assets over $1.05 billion. Under the
Advisory Agreement the Fund also reimburses the Adviser for the cost of the
Fund's accounting services, which include maintaining its financial books and
records and calculating its daily net asset value. Operating expenses paid by
the Fund include shareholder service agency fees, distribution fees, service
fees, custodial fees, legal and accounting fees, the costs of reports and
proxies to shareholders, directors' fees, and all other business expenses not
specifically assumed by the Adviser. Advisory (management) fee, and total
operating expense, ratios are shown under the caption "Expense Synopsis" herein.
 
  James H. Behrmann is primarily responsible for the day-to-day management of
the Fund's investment portfolio. Mr. Behrmann is Vice President of the Fund and
has been Investment Vice President -- Portfolio Manager of the Adviser since
August, 1985. Mr. Behrmann has been primarily responsible for managing the
Fund's investment portfolio since October, 1984.
 
- ------------------------------------------------------------------------------
PURCHASE OF SHARES
- ------------------------------------------------------------------------------
 
GENERAL
 
  The Fund offers three classes of shares to the general public. Class A shares
are sold with an initial sales charge; Class B shares and Class C shares are
sold without an initial sales charge and are subject to a contingent deferred
sales charge upon certain redemptions. See "Multiple Pricing System" for a
discussion of factors to consider in selecting which class of shares to
purchase. Contact the Service Department at (800) 421-5666 for further
information and appropriate forms.
 
  Shares of the Fund are offered continuously for sale by the Distributor and
are available through authorized investment dealers. Initial investments must be
at least $500 and subsequent investments must be at least $25. Both minimums may
be waived by the Distributor for plans involving periodic investments. Shares of
the Fund may be sold in foreign countries where permissible. The Fund and the
Distributor reserve the right to refuse any order for the purchase of shares.
The Fund also reserves the right to suspend the sale of the Fund's shares in
response to conditions in the securities markets or for other reasons.
 
  Shares of the Fund may be purchased on any business day through authorized
dealers. Shares may also be purchased by completing the application included in
this Prospectus and forwarding the application, through the designated dealer,
to the shareholder service agent, ACCESS Investor Services, Inc. ("ACCESS").
When purchasing shares of the Fund, investors must specify whether the purchase
is for Class A, Class B or Class C shares.
 
  Shares are offered at the next determined net asset value per share, plus a
front-end or contingent deferred sales charge which will vary depending on the
method of purchasing shares chosen by the investor, as shown in the tables
herein. Net asset value per share is determined once daily as of the close of
trading on the New York Stock Exchange (the
 
                                       19
<PAGE>   20
 
"Exchange") (currently 4:00 p.m., New York time) each day the Exchange is open.
Net asset value per share for each class is determined by dividing the value of
the Fund's securities, cash and other assets (including accrued interest)
attributable to such class, less all liabilities (including accrued expenses)
attributable to such class by the total number of shares of the class
outstanding. Securities and options listed or traded on a national securities
exchange are valued at the last sale price. Unlisted securities and listed
securities for which the last sale price is not available are valued at the most
recent bid price, except unlisted convertible securities, which are valued at
the higher of their bid price or the value of the securities issuable on
conversion. Listed options for which the last sale price is not available are
valued at the mean between the bid and asked prices. Short-term investments are
valued in the manner described in the notes to the financial statements
contained in the Statement of Additional Information.
 
  Generally, the net asset values per share of the Class A, Class B and Class C
shares are expected to be substantially the same. Under certain circumstances,
however, the per share net asset values of the Class A, Class B and Class C
shares may differ from one another, reflecting the daily expense accruals of the
distribution and the higher transfer agency fees applicable with respect to the
Class B and Class C shares and the differential in the dividends paid on the
classes of shares. The price paid for shares purchased is based on the next
calculation of net asset value plus applicable Class A sales charges after an
order is received by a dealer provided such order is transmitted to the
Distributor prior to the Distributor's close of business on such day. Orders
received by dealers after the close of the Exchange are priced based on the next
close, provided they are received by the Distributor prior to the Distributor's
close of business on such day. It is the responsibility of dealers to transmit
orders received by them to the Distributor so they will be received prior to
such time. Orders of less than $500 are mailed by the dealer and processed at
the offering price next calculated after acceptance by ACCESS.
 
  Each class of shares represents an interest in the same portfolio of
investments of the Fund, has the same rights and is identical in all respects,
except that (i) Class B and Class C shares bear the expenses of the deferred
sales arrangement and any expenses (including the distribution fee and
incremental transfer agency costs) resulting from such sales arrangement, (ii)
each class has exclusive voting rights with respect to approvals of the Rule
12b-1 distribution plan pursuant to which its distribution fee and/or service
fee is paid which relate to a specific class, and (iii) Class B and Class C
shares are subject to a conversion feature. Each class has different exchange
privileges and certain different shareholder service options available. See
"Distribution Plans" and "Shareholder Services -- Exchange Privilege." The net
income attributable to Class B and Class C shares and the dividends payable on
Class B and Class C shares will be reduced by the amount of the distribution fee
and incremental expenses associated with such distribution fee. Sales personnel
of broker-dealers distributing the Fund's shares and other persons entitled to
receive compensation for selling such shares may receive differing compensation
for selling Class A, Class B or Class C shares.
 
  Agreements are in place which provide, among other things and subject to
certain conditions, for certain favorable distribution arrangements for shares
of the Fund with subsidiaries of The Travelers Inc.
 
                                       20
<PAGE>   21
 
  The Distributor may from time to time implement programs under which a broker,
dealer or financial intermediary's sales force may be eligible to win nominal
awards for certain sales efforts or under which the Distributor will reallow to
any broker, dealer or financial intermediary that sponsors sales contests or
recognition programs conforming to criteria established by the Distributor, or
participates in sales programs sponsored by the Distributor, an amount not
exceeding the total applicable sales charges on sales generated by the broker or
dealer during such programs. Also, the Distributor in its discretion may from
time to time, pursuant to objective criteria established by it, pay fees to, and
sponsor business seminars for, qualifying brokers, dealers or financial
intermediaries for certain services or activities which are primarily intended
to result in sales of shares of the Fund. Such fees paid for such services and
activities with respect to the Fund will not exceed in the aggregate 1.25% of
the average total daily net assets of the Fund on an annual basis.
 
  Compensation may include payment for travel expenses, including lodging,
incurred in connection with trips taken by invited registered representatives
and members of their families to locations within or outside of the United
States for meetings or seminars of a business nature.
 
CLASS A SHARES
 
  The public offering price of Class A shares is the next determined net asset
value plus a sales charge, as set forth herein.
 
SALES CHARGE TABLE
 
<TABLE>
<CAPTION>
                                                                REALLOWED TO
                                                                DEALERS (AS
                                  AS % OF         AS % OF           %AOF
            SIZE OF              NET AMOUNT       OFFERING        OFFERING
          INVESTMENT              INVESTED         PRICE           PRICE)
<S>                             <C>             <C>             <C>
- ----------------------------------------------------------------------------
Less than $50,000                  6.10%           5.75%           5.00%
$50,000 but less than $100,000     4.99%           4.75%           4.00%
$100,000 but less than $250,000    3.90%           3.75%           3.00%
$250,000 but less than $500,000    2.83%           2.75%           2.25%
$500,000 but less than
  $1,000,000                       2.04%           2.00%           1.75%
$1,000,000 and over             (See herein)    (See herein)    (See herein)
- ----------------------------------------------------------------------------
</TABLE>
 
  No sales charge is payable at the time of purchase on investments of $1
million or more, although for such investments the Fund imposes a contingent
deferred sales charge of one percent in the event of certain redemptions within
one year of the purchase. The contingent deferred sales charge incurred upon
redemption is paid to the Distributor in reimbursement for distribution-related
expenses. A commission will be paid to dealers who initiate and are responsible
for purchases of $1 million or more as follows: one percent on sales to $2
million, plus 0.80% on the next million, plus 0.20% on the next $2 million and
0.08% on the excess over $5 million.
 
  In addition to the reallowances from the applicable public offering price
described above, the Distributor may, from time to time, pay or allow additional
reallowances or
 
                                       21
<PAGE>   22
 
promotional incentives, in the form of cash or other compensation, to dealers
that sell shares of the Fund. Dealers which are reallowed all or substantially
all of the sales charges may be deemed to be underwriters for purposes of the
Securities Act of 1933.
 
  The Distributor may also pay financial institutions (which may include banks)
and other industry professionals that provide services to facilitate
transactions in shares of the Fund for their clients a transaction fee up to the
level of the reallowance allowable to dealers described herein. Such financial
institutions, other industry professionals and dealers are hereinafter referred
to as "Service Organizations." Banks are currently prohibited under the
Glass-Steagall Act from providing certain underwriting or distribution services.
If banking firms were prohibited from acting in any capacity or providing any of
the described services, the Distributor would consider what action, if any,
would be appropriate. The Distributor does not believe that termination of a
relationship with a bank would result in any material adverse consequences to
the Fund. State securities laws regarding registration of banks and other
financial institutions may differ from the interpretation of federal law
expressed herein and banks and other financial institutions may be required to
register as dealers pursuant to certain state laws.
 
  Class A shares of the Fund may be purchased at net asset value, upon written
assurance that the purchase is made for investment purposes and that the shares
will not be resold except through redemption by the Fund, by:
 
  (1) Current or retired Trustees/Directors of funds advised by the Adviser, Van
      Kampen American Capital Investment Advisory Corp. or John Govett & Co.
      Limited and such persons' families and their beneficial accounts.
 
  (2) Current or retired directors, officers and employees of VK/AC Holding,
      Inc. and any of its subsidiaries, Clayton, Dubilier & Rice, Inc.,
      employees of an investment subadviser to any such fund or an affiliate of
      such subadviser; and such persons' families and their beneficial accounts.
 
  (3) Directors, officers, employees and registered representatives of financial
      institutions that have a selling group agreement with the Distributor and
      their spouses and minor children when purchasing for any accounts they
      beneficially own, or, in the case of any such financial institution, when
      purchasing for retirement plans for such institution's employees.
 
  (4) Registered investment advisers, trust companies and bank trust departments
      investing on their own behalf or on behalf of their clients provided that
      the aggregate amount invested in the Fund alone, or in any combination of
      shares of the Fund and shares of certain other participating American
      Capital funds as described herein under "Purchase of Shares -- Class A
      Shares -- Volume Discounts," during the 13-month period commencing with
      the first investment pursuant hereto equals at least $1 million. The
      Distributor may pay Service Organizations through which purchases are made
      an amount up to 0.50% of the amount invested, over a twelve-month period
      following such transaction.
 
  (5) Trustees and other fiduciaries purchasing shares for retirement plans of
      organizations with retirement plan assets of $10 million or more. The
      Distributor may pay commissions of up to one percent for such purchases.
 
                                       22
<PAGE>   23
 
  (6) Accounts as to which a bank or broker-dealer charges an account management
      fee ("wrap accounts"), provided the bank or broker-dealer has a separate
      agreement with the Distributor.
 
  (7) Investors purchasing shares of the Fund with redemption proceeds from
      other mutual fund complexes on which the investor has paid a front-end
      sales charge or was subject to a deferred sales charge, whether or not
      paid, if such redemption has occurred no more than 30 days prior to such
      purchase.
 
  (8) Full service participant directed profit sharing and money purchase plans,
      full service 401(k) plans, or similar full service recordkeeping programs
      made available through Van Kampen American Capital Trust Company with at
      least 50 eligible employees or investing at least $250,000 in
      Participating Funds (as hereinafter defined) or American Capital Reserve
      Fund, Inc. ("Reserve"). For such investments the Fund imposes a contingent
      deferred sales charge of one percent in the event of redemptions within
      one year of the purchase other than redemptions required to make payments
      to participants under the terms of the plan. The contingent deferred sales
      charge incurred upon certain redemptions is paid to the Distributor in
      reimbursement for distribution-related expenses. A commission will be paid
      to dealers who initiate and are responsible for such purchases as follows:
      one percent on sales to $5 million, plus 0.50% on the next $5 million,
      plus 0.25% on the excess over $10 million.
 
The term "families" includes a person's spouse, minor children and
grandchildren, parents, and a person's spouse's parents.
 
  Purchase orders made pursuant to clause (4) may be placed either through
authorized dealers as described above or directly with ACCESS by the investment
adviser, trust company or bank trust department, provided that ACCESS receives
federal funds for the purchase by the close of business on the next business day
following acceptance of the order. An authorized dealer or financial institution
may charge a transaction fee for placing an order to purchase shares pursuant to
this provision or for placing a redemption order with respect to such shares.
Service Organizations will be paid a service fee as described herein under
"Distribution Plans" on purchases made as described in (3) through (8) above.
The Fund may terminate, or amend the terms of, offering shares of the Fund at
net asset value to such groups at any time.
 
  Investors purchasing Class A shares may, under certain circumstances, be
entitled to pay reduced sales charges. The circumstances under which such
investors may pay reduced sales charges are described herein.
 
  VOLUME DISCOUNTS.  The size of investment shown in the preceding table applies
to the total dollar amount being invested by any person in shares of the Fund
alone, or in any combination of shares of the Fund and shares of certain other
participating American Capital mutual funds (the "Participating Funds"),
although other Participating Funds may have different sales charges. The
Participating Funds are American Capital Comstock Fund, Inc., American Capital
Corporate Bond Fund, Inc. ("Corporate Bond"), American Capital Emerging Growth
Fund, Inc., American Capital Enterprise Fund, Inc., American Capital Equity
Income Fund, Inc. ("Equity Income") American Capital Federal
 
                                       23
<PAGE>   24
 
Mortgage Trust ("Federal Mortgage"), American Capital Global Managed Assets
Fund, Inc. ("Global Managed"), American Capital Government Securities, Inc.,
American Capital Government Target Series ("Government Target"), American
Capital Growth and Income Fund, Inc., American Capital Harbor Fund, Inc.,
American Capital High Yield Investments, Inc. ("High Yield"), American Capital
Municipal Bond Fund, Inc. ("Municipal Bond"), American Capital Pace Fund, Inc.,
American Capital Real Estate Securities Fund, Inc. ("Real Estate"), American
Capital Tax-Exempt Trust ("Tax-Exempt"), American Capital Texas Municipal
Securities, Inc. ("Texas Municipal"), American Capital U.S. Government Trust for
Income ("Government Trust"), American Capital Utilities Income Fund, Inc.
("Utilities Income") and American Capital World Portfolio Series, Inc. ("World
Portfolio"). A person eligible for a volume discount includes an individual;
members of a family unit comprising husband, wife and minor children; or a
trustee or other fiduciary purchasing for a single fiduciary account.
 
  CUMULATIVE PURCHASE DISCOUNT.  The size of investment shown in the preceding
table may also be determined by combining the amount being invested in shares of
the Participating Funds plus the current offering price of all shares of the
Participating Funds which have been previously purchased and are still owned.
Shares previously purchased are only taken into account, however, if the
Distributor is notified by the investor or the investor's dealer at the time an
order is placed for a purchase which would qualify for a reduced sales charge on
the basis of previous purchases and if sufficient information is furnished to
permit confirmation of such purchases.
 
  LETTER OF INTENT. A Letter of Intent provides an opportunity for an investor
to obtain a reduced sales charge by aggregating the investments over a 13- month
period to determine the sales charge as outlined in the preceding table. The
size of investment shown in the preceding table also includes purchases of
shares of the Participating Funds over a 13-month period based on the total
amount of intended purchases plus the value of all shares of the Participating
Funds previously purchased and still owned. An investor may elect to compute the
13-month period starting up to 90 days before the date of execution of a Letter
of Intent. Each investment made during the period receives the reduced sales
charge applicable to the total amount of the investment goal. If the goal is not
achieved within the period, the investor must pay the difference between the
sales charges applicable to the purchases made and the sales charges previously
paid.  The initial purchase must be for an amount equal to at least five percent
of the minimum total purchase amount of the level selected. If trades not
initially made under a Letter of Intent subsequently qualify for a lower sales
charge through the 90-day back-dating provisions, an adjustment will be made at
the expiration of the Letter of Intent to give effect to the lower charge. Such
adjustments in sales charge will be used to purchase additional shares for the
shareholder at the applicable discount category. Additional information is
contained in the application included in this Prospectus.
 
CLASS B SHARES
 
  Class B shares are offered at the next determined net asset value. Class B
shares which are redeemed within five years of purchase are subject to a
contingent deferred sales charge at the rates set forth in the following table
charged as a percentage of the dollar
 
                                       24
<PAGE>   25
 
amount subject thereto. The charge is assessed on an amount equal to the lesser
of the then current market value or the cost of the shares being redeemed.
Accordingly, no sales charge is imposed on increases in net asset value above
the initial purchase price. In addition, no charge is assessed on shares derived
from reinvestment of dividends or capital gains distributions.
 
  The amount of the contingent deferred sales charge, if any, varies depending
on the number of years from the time of payment for the purchase of Class B
shares until the time of redemption of such shares. Solely for purposes of
determining the number of years from the time of any payment for the purchase of
shares, all payments during a month are aggregated and deemed to have been made
on the last day of the month.
 
<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------
 
                                                       CONTINGENT DEFERRED 
                                                       SALES CHARGE AS A   
                                                       PERCENTAGE OF       
                                                       DOLLAR AMOUNT       
YEAR SINCE PURCHASE                                    SUBJECT TO CHARGE   
- ------------------------------------------------------------------------------
<S>                                                         <C>   
First...............................................           5% 
Second..............................................           4% 
Third...............................................           3% 
Fourth..............................................         2.5% 
Fifth...............................................         1.5% 
Sixth...............................................         None 
</TABLE>                                                
 
- ------------------------------------------------------------------------------
 
  In determining whether a contingent deferred sales charge is applicable to a
redemption, the calculation is determined in the manner that results in the
lowest possible rate being charged. Therefore, it is assumed that the redemption
is first of any shares in the shareholder's Fund account that are not subject to
a contingent deferred sales charge, second, of shares held for over five years
or shares acquired pursuant to reinvestment of dividends or distributions and
third, of shares held longest during the five-year period.
 
  To provide an example, assume an investor purchased 100 shares at $10 per
share (at a cost of $1,000) and in the second year after purchase, the net asset
value per share is $12 and, during such time, the investor has acquired ten
additional shares upon dividend reinvestment. If at such time the investor makes
his or her first redemption of 50 shares (proceeds of $600), ten shares will not
be subject to charge because of dividend reinvestment. With respect to the
remaining 40 shares, the charge is applied only to the original cost of $10 per
share and not to the increase in net asset value of $2 per share. Therefore,
$400 of the $600 redemption proceeds is subject to a deferred sales charge at a
rate of four percent (the applicable rate in the second year after purchase).
 
  A commission or transaction fee of four percent of the purchase amount will be
paid to broker-dealers and other Service Organizations. Additionally, the
Distributor may, from time to time, pay additional promotional incentives, in
the form of cash or other compensation, to Service Organizations that sell Class
B shares of the Fund.
 
                                       25
<PAGE>   26
 
CLASS C SHARES
 
  Class C shares are offered at the next determined net asset value. Class C
shares which are redeemed within the first year of purchase are subject to a
contingent deferred sales charge of one percent. The charge is assessed on an
amount equal to the lower of the then current market value or the cost of the
shares being redeemed. Accordingly, no sales charge is imposed on increases in
net asset value above the initial purchase price. In addition, no charge is
assessed on shares derived from reinvestment of dividends or capital gains
distributions.
 
  In determining whether a contingent deferred sales charge is applicable to a
redemption, the calculation is determined in the manner that results in the
lowest possible rate being charged. Therefore, it is assumed that the redemption
is first of any shares in the shareholder's Fund account that are not subject to
a contingent deferred sales charge and second of shares held for more than one
year or shares acquired pursuant to reinvestment of dividends or distributions.
 
  A commission or transaction fee of one percent of the purchase amount will be
paid to broker-dealers and other Service Organizations at the time of purchase.
Broker-dealers and other Service Organizations will also be paid ongoing
commissions and transaction fees of up to 0.75% of the average daily net assets
of the Fund's Class C shares for the second through tenth year after purchase.
Additionally, the Distributor may, from time to time, pay additional promotional
incentives, in the form of cash or other compensation, to Service Organizations
that sell Class C shares of the Fund.
 
WAIVER OF CONTINGENT DEFERRED SALES CHARGE
 
  The contingent deferred sales charge is waived on redemptions of Class B and
Class C shares (i) following the death or disability (as defined in the Code) of
a shareholder, (ii) in connection with certain distributions from an IRA or
other retirement plan, (iii) pursuant to the Fund's Systematic withdrawal plan
but limited to 12% annually of the initial value of the account and (iv)
effected pursuant to the right of the Fund to liquidate a shareholder's account
as described herein under "Redemption of Shares." The contingent deferred sales
charge is also waived on redemptions of Class C shares as it relates to the
reinvestment of redemption proceeds in shares of the same class of the Fund
within 120 days after redemption. See the Statement of Additional Information
for further discussion of waiver provisions.
 
- ------------------------------------------------------------------------------
DISTRIBUTION PLANS
- ------------------------------------------------------------------------------
 
  Rule 12b-1 adopted by the SEC under the 1940 Act permits an investment company
to directly or indirectly pay expenses associated with the distribution of its
shares ("distribution expenses") and servicing its shareholders in accordance
with a plan adopted by the investment company's board of directors and approved
by its shareholders. Pursuant to such Rule, the Directors of the Fund, and the
shareholders of each class have adopted three Distribution Plans hereinafter
referred to as the "Class A Plan," the "Class B Plan"
 
                                       26
<PAGE>   27
 
and the "Class C Plan." Each Distribution Plan is in compliance with the Rules
of Fair Practice of the National Association of Securities Dealers, Inc. ("NASD
Rules") applicable to mutual fund sales charges. The NASD Rules limit the annual
distribution charges that a mutual fund may impose on a class of shares. The
NASD Rules also limit the aggregate amount which the Fund must pay for such
distribution costs. Under the Class A Plan, the Fund pays a service fee to the
Distributor at an annual rate of up to 0.25% of the Fund's aggregate average
daily net assets attributable to the Class A shares. Such payments to the
Distributor under the Class A Plan are based on an annual percentage of the
value of Class A shares held in shareholder accounts for which Service
Organizations are responsible at the rates of 0.15% annually with respect to
Class A shares in such accounts on September 29, 1989 and 0.25% annually with
respect to Class A shares issued after that date. Under the Class B Plan and the
Class C Plan, the Fund pays a service fee to the Distributor at an annual rate
of up to 0.25% and a distribution fee at an annual rate of up to 0.75% of the
Fund's aggregate average daily net assets attributable to the Class B or Class C
shares to reimburse the Distributor for service fees paid by it to Service
Organizations and for its distribution costs.
 
  The Distributor uses the Class A, Class B and Class C service fees to
compensate Service Organizations for personal services and/or the maintenance of
shareholder accounts. Under the Class B Plan, the Distributor receives
additional payments from the Fund in the form of a distribution fee at the
annual rate of up to 0.75% of the net assets of the Class B shares as
reimbursement for (i) upfront commissions and transaction fees of up to four
percent of the purchase price of Class B shares purchased by the clients of
broker-dealers and other Service Organizations, and (ii) other distribution
expenses as described in the Statement of Additional Information. Under the
Class C Plan, the Distributor receives additional payments from the Fund in the
form of a distribution fee at the annual rate of up to 0.75% of the net assets
of the Class C shares as reimbursements for (i) upfront commissions and
transaction fees of up to 0.75% of the purchase price of Class C shares
purchased by the clients of broker-dealers and other Service Organizations and
ongoing commissions and transaction fees of up to 0.75% of the average daily net
assets of the Fund's Class C shares and, (ii) other distribution expenses as
described in the Statement of Additional Information.
 
  In adopting the Class A Plan, the Class B Plan and the Class C Plan, the
Directors of the Fund determined that there was a reasonable likelihood that
such Plans would benefit the Fund and its shareholders. Information with respect
to distribution and service revenues and expenses is presented to the Directors
each year for their consideration in connection with their deliberations as to
the continuance of the Distribution Plans. In their review of the Distribution
Plans, the Directors are asked to take into consideration expenses incurred in
connection with the distribution and servicing of each class of shares
separately. The sales charge and distribution fee, if any, of a particular class
will not be used to subsidize the sale of shares of the other classes.
 
  Service expenses accrued by the Distributor in one fiscal year may not be paid
from the Class A service fees received from the Fund in subsequent fiscal years.
Thus, if the Class A Plan were terminated or not continued, no amounts (other
than current amounts accrued but not yet paid) would be owed by the Fund to the
Distributor.
 
                                       27
<PAGE>   28
 
  The distribution fee attributable to Class B or Class C shares is designed to
permit an investor to purchase such shares without the assessment of a front-end
sales load and at the same time permit the Distributor to compensate Service
Organizations with respect to such shares. In this regard, the purpose and
function of the combined contingent deferred sales charge and distribution fee
are the same as those of the initial sales charge with respect to the Class A
shares of the Fund in that in both cases such charges provide for the financing
of the distribution of the Fund's shares.
 
   
  Actual distribution expenditures paid by the Distributor with respect to Class
B or Class C shares for any given year are expected to exceed the fees received
pursuant to the Class B Plan and Class C Plan and payments received pursuant to
contingent deferred sales charges. Such excess will be carried forward and may
be reimbursed by the Fund or its shareholders from payments received through
contingent deferred sales charges in future years and from payments under the
Class B Plan and Class C Plan so long as such Plans are in effect. For example,
if in a fiscal year the Distributor incurred distribution expenses under the
Class B Plan of $1 million, of which $500,000 was recovered in the form of
contingent deferred sales charges paid by investors and $400,000 was reimbursed
in the form of payments made by the Fund to the Distributor under the Class B
Plan, the balance of $100,000 would be subject to recovery in future fiscal
years from such sources. For the plan year ended June 30, 1994, the unreimbursed
expenses incurred by the Distributor and carried forward were approximately $2.9
million or 4.20% of average daily net assets of the class under the Class B
Plan, and $54,000 or 1.57% of average daily net assets of the class under the
Class C Plan.
    
 
  If the Class B Plan or Class C Plan was terminated or not continued, the Fund
would not be contractually obligated to pay and has no liability to the
Distributor for any expenses not previously reimbursed by the Fund or recovered
through contingent deferred sales charges.
 
- ------------------------------------------------------------------------------
SHAREHOLDER SERVICES
- ------------------------------------------------------------------------------
 
  The Fund offers a number of shareholder services designed to facilitate
investment in its shares at little or no extra cost to the investor. The
following is a description of those services.
 
SHAREHOLDER SERVICES APPLICABLE TO ALL CLASSES
 
  INVESTMENT ACCOUNT. Each shareholder has an investment account under which
shares are held by ACCESS. Share certificates are not issued except upon
shareholder requests. Most shareholders elect not to receive certificates in
order to facilitate redemptions and transfers. A shareholder may incur an
expense to replace a lost certificate. Except as described herein, after each
share transaction in an account, the shareholder receives a statement showing
the activity in the account. Each shareholder who has an account in any of the
Participating Funds listed under "Purchase of Shares -- Class A Shares -- Volume
Discounts," or Reserve, may receive statements quarterly from ACCESS showing any
reinvestments of dividends and capital gains distributions and any
 
                                       28
<PAGE>   29
 
other activity in the account since the preceding statement. Such shareholders
also will receive separate confirmations for each purchase or sale transaction
other than reinvestment of dividends and capital gains distributions and
systematic purchases or redemptions. Additions to an investment account may be
made at any time by purchasing shares through authorized investment dealers or
by mailing a check directly to ACCESS.
 
  REINVESTMENT PLAN. A convenient way for investors to accumulate additional
shares is by accepting dividends and capital gains distributions in shares of
the Fund. Such shares are acquired at net asset value (without sales charge) on
the record date. Unless the shareholder instructs otherwise, the reinvestment
plan is automatic. The investor may, on the initial application or prior to any
declaration, instruct that dividends be paid in cash and capital gains
distributions be reinvested at net asset value, or that both dividends and
capital gains distributions be paid in cash.
 
  AUTOMATIC INVESTMENT PLAN. An automatic investment plan is available under
which a shareholder can authorize ACCESS to charge a bank account on a regular
basis to invest predetermined amounts in the Fund. Additional information is
available from the Distributor or authorized investment dealers.
 
  RETIREMENT PLANS. Eligible investors may establish individual retirement
accounts ("IRAs"); SEP; and pension and profit sharing plans; 401(k) plans; or
Section 403(b)(7) plans in the case of employees of public school systems and
certain non-profit organizations. Documents and forms containing detailed
information regarding these plans are available from the Distributor. Van Kampen
American Capital Trust Company serves as the custodian under the IRA, 403(b)(7)
and Keogh plans. Details regarding fees, as well as full plan administration for
profit sharing, pension and 401(k) plans, are available from the Distributor.
 
  FUND TO FUND DIVIDENDS. A shareholder may, upon written request or by
completing the appropriate section of the application form in this Prospectus,
elect to have all dividends and other distributions paid on a Class A, Class B
or Class C account in the Fund invested into a pre-existing Class A, Class B or
Class C account in any of the Participating Funds listed under "Purchase of
Shares -- Class A Shares -- Volume Discounts" or Reserve.
 
  Both accounts must be of the same class and of the same type, either
non-retirement or retirement. Any two non-retirement accounts can be used. If
the accounts are retirement accounts, they must both be for the same class and
of the same type of retirement plan (e.g., IRA, 403(b)(7), 401(k), Keogh) and
for the benefit of the same individual. If a qualified, pre-existing account
does not exist, the shareholder must establish a new account subject to minimum
investment and other requirements of the fund into which distributions would be
invested. Distributions are invested into the selected fund at its net asset
value as of the payable date of the distribution only if shares of such selected
fund have been registered in the investor's state.
 
  EXCHANGE PRIVILEGE. Shares of the Fund or of any Participating Fund (listed
herein under "Purchase of Shares -- Class A Shares -- Volume Discounts") other
than Government Target, may be exchanged for shares of the same class of any
other fund without sales charge, provided that shares of Corporate Bond, Federal
Mortgage, Global
 
                                       29
<PAGE>   30
 
Managed, Government Trust, High Yield, Municipal Bond, Real Estate, Tax-Exempt,
Texas Municipal, Utilities Income and the Global Government Securities Fund of
World Portfolio are subject to a 30-day holding period requirement. Shares of
Government Target may be exchanged for Class A shares of the Fund without sales
charge. Class A shares of Reserve that were not acquired in exchange for Class B
or Class C shares of a Participating Fund may be exchanged for Class A shares of
the Fund upon payment of the excess, if any, of the sales charge rate applicable
to the shares being acquired over the sales charge rate previously paid. Shares
of Reserve acquired through an exchange of Class B or Class C shares may be
exchanged only for the same class of shares of a Participating Fund without
incurring a contingent deferred sales charge. Shares of any Participating Fund
or Reserve may be exchanged for shares of any other Participating Fund if shares
of that Participating Fund are available for sale; however, during periods of
suspension of sales, shares of a Participating Fund may be available for sale
only to existing shareholders of a Participating Fund. Additional funds may be
added from time to time as a Participating Fund.
 
  Class B and Class C shareholders of the Fund have the ability to exchange
their shares ("original shares") for the same class of shares of any other
American Capital fund that offers such class of shares ("new shares") in an
amount equal to the aggregate net asset value of the original shares, without
the payment of any contingent deferred sales charge otherwise due upon
redemption of the original shares. For purposes of computing the contingent
deferred sales charge payable upon a disposition of the new shares, the holding
period for the original shares is added to the holding period of the new shares.
Class B and Class C shareholders would remain subject to the contingent deferred
sales charge imposed by the original fund upon their redemption from the
American Capital complex of funds. The contingent deferred sales charge is based
on the holding period requirements of the original fund.
 
  Since the maximum sales charge rate applicable to purchases of Class A shares
of the Fund is at least one percent higher than the maximum sales charge rate
applicable to the purchase of Class A shares of American Capital fixed income
funds, the foregoing exchange privilege may be utilized to reduce the sales
charge paid to purchase Class A shares of the Fund, subject to the exchange fee.
 
  Shares of the fund to be acquired must be registered for sale in the
investor's state and an exchange fee, currently $5 per transaction, is charged
by ACCESS except as described herein under "Systematic Exchange" and "Automatic
Exchange." Exchanges of shares are sales and may result in a gain or loss for
federal income tax purposes, although if the shares exchanged have been held for
less than 91 days, the sales charge paid on such shares is not included in the
tax basis of the exchanged shares, but is carried over and included in the tax
basis of the shares acquired. See the Statement of Additional Information.
 
  A shareholder wishing to make an exchange may do so by sending a written
request to ACCESS or by contacting the telephone transaction line at (800)
421-5684. A shareholder automatically has telephone exchange privileges unless
otherwise designated in the application form included in this Prospectus. VKAC
and its subsidiaries, including ACCESS (collectively, "Van Kampen American
Capital"), and the Fund employ proce-
 
                                       30
<PAGE>   31
 
dures considered by them to be reasonable to confirm that instructions
communicated by telephone are genuine. Such procedures include requiring certain
personal identification information prior to acting upon telephone instructions,
tape recording telephone communications, and providing written confirmation of
instructions communicated by telephone. If reasonable procedures are employed,
neither Van Kampen American Capital nor the Fund will be liable for following
telephone instructions which it reasonably believes to be genuine. Van Kampen
American Capital and the Fund may be liable for any losses due to unauthorized
or fraudulent instructions if reasonable procedures are not followed. Exchanges
are effected at the net asset value per share next calculated after the request
is received in good order with adjustment for any additional sales charge. See
both "Purchase of Shares" and "Redemption of Shares." If the exchanging
shareholder does not have an account in the fund whose shares are being
acquired, a new account will be established with the same registration, dividend
and capital gains options (except fund to fund dividends) and dealer of record
as the account from which shares are exchanged, unless otherwise specified by
the shareholder. In order to establish a systematic withdrawal plan for the new
account or reinvest dividends from the new account into another fund, however,
an exchanging shareholder must file a specific written request. The Fund
reserves the right to reject any order to acquire its shares through exchange,
or otherwise to modify, restrict or terminate the exchange privilege at any time
on 60 days' notice to its shareholders of any termination or material amendment.
 
  A prospectus of any of these mutual funds may be obtained from any authorized
dealer or the Distributor. An investor considering an exchange to one of such
funds should refer to the prospectus for additional information regarding such
fund prior to investing.
 
  SYSTEMATIC EXCHANGE. A shareholder may invest regularly into any Participating
Fund by systematically exchanging from the Fund into such other fund account
($25 minimum for existing account, $100 minimum for establishing new account).
Both accounts must be of the same type and class. The exchange fee as described
above under "Shareholder Services -- Exchange Privilege" will be waived for such
systematic exchanges. Additional information on how to establish this option is
available from the Distributor.
 
  AUTOMATIC EXCHANGE. The exchange fee described above under "Shareholder
Services -- Exchange Privilege" will be waived for any exchange transmitted
through ACCESS Plus, FUNDSERV or via computer transmission. Contact the Service
Department at (800) 421-5666 for further information on how to utilize this
option.
 
  SYSTEMATIC WITHDRAWAL PLAN. Any investor whose shares in a single account
total $10,000 or more at the offering price next computed after receipt of
instructions may establish a monthly withdrawal plan. Any investor whose shares
in a single account total $5,000 or more may establish a withdrawal plan on a
quarterly, semi-annual or annual basis. This plan provides for the orderly use
of the entire account, not only the income but also the capital, if necessary.
Each withdrawal constitutes a redemption of shares on which any capital gain or
loss will be recognized. The planholder may arrange for monthly, quarterly,
semi-annual, or annual checks in any amount not less than $25. Such a systematic
withdrawal plan may also be maintained by an investor purchasing
 
                                       31
<PAGE>   32
 
shares for a retirement plan established on a form made available by the Fund.
See "Shareholder Services -- Retirement Plans."
 
  Class B and Class C shareholders who establish a withdrawal plan may redeem up
to 12% annually of the shareholder's initial account balance without incurring a
contingent deferred sales charge. initial account balance means the amount of
the shareholder's investment in the Fund at the time the election to participate
in the plan is made. See "Purchase of Shares -- Waiver of Contingent Deferred
Sales Charge" and the Statement of Additional Information.
 
  Under the plan, sufficient shares of the Fund are redeemed to provide the
amount of the periodic withdrawal payment. Dividends and capital gains
distributions on shares held under the plan are reinvested in additional shares
at the next determined net asset value. If periodic withdrawals continuously
exceed reinvested dividends and capital gains distributions, the shareholder's
original investment will be correspondingly reduced and ultimately exhausted.
Withdrawals made concurrently with the purchase of additional shares ordinarily
will be disadvantageous to the shareholder because of the duplication of sales
charges. Any taxable gain or loss will be recognized by the shareholder upon
redemption of shares.
 
- ------------------------------------------------------------------------------
REDEMPTION OF SHARES
- ------------------------------------------------------------------------------
 
  REGULAR REDEMPTIONS. Shareholders may redeem for cash some or all of their
shares of the Fund at any time. To do so, a written request in proper form must
be sent directly to ACCESS, P.O. Box 418256, Kansas City, Missouri 64141-9256.
Shareholders may also place redemption requests through an authorized investment
dealer. Orders received from dealers must be at least $500 unless transmitted
via the FUNDSERV network. The redemption price for such shares is the net asset
value next calculated after an order is received by a dealer provided such order
is transmitted to the Distributor prior to the Distributor's close of business
on such day. It is the responsibility of dealers to transmit redemption requests
received by them to the Distributor so they will be received prior to such time.
 
  As described herein under "Purchase of Shares," redemptions of Class B and
Class C shares are subject to a contingent deferred sales charge. In addition, a
contingent deferred sales charge of one percent may be imposed on certain
redemptions of Class A shares made within one year of purchase for investments
of $1 million or more and for certain qualified 401(k) retirement plans. The
contingent deferred sales charge incurred upon redemption is paid by the
Distributor in reimbursement for distribution-related expenses. See "Purchase of
Shares." A custodian of a retirement plan account may charge fees based on the
custodian's fee schedule.
 
  The request for redemption must be signed by all persons in whose names the
shares are registered. Signatures must conform exactly to the account
registration. If the proceeds of the redemption exceed $50,000, or if the
proceeds are not to be paid to the record owner at the record address, or if the
record address has changed within the previous 60 days, signature(s) must be
guaranteed by one of the following: a bank or trust
 
                                       32
<PAGE>   33
 
company; a broker-dealer; a credit union; a national securities exchange,
registered securities association or clearing agency; a savings and loan
association; or a federal savings bank.
 
  Generally, a properly signed written request with any required signature
guarantee is all that is required for a redemption. In some cases, however,
other documents may be necessary. For example, although the Fund normally does
not issue certificates for shares, it will do so if a special request has been
made to ACCESS. In the case of shareholders holding certificates, the
certificates for the shares being redeemed must accompany the redemption
request. In the event the redemption is requested by a corporation, partnership,
trust, fiduciary, executor or administrator, and the name and title of the
individual(s) authorizing such redemption is not shown in the account
registration, a copy of the corporate resolution or other legal documentation
appointing the authorized signer and certified within the prior 60 days must
accompany the redemption request. IRA redemption requests should be sent to the
IRA custodian to be forwarded to ACCESS. Where Van Kampen American Capital Trust
Company serves as IRA custodian, special IRA, 403(b)(7), or Keogh distribution
forms must be obtained from and be forwarded to Van Kampen American Capital
Trust Company, P.O. Box 944, Houston, Texas 77001-0944. Contact the custodian
for information.
 
  In the case of redemption requests sent directly to ACCESS, the redemption
price is the net asset value per share next determined after the request is
received in proper form. Payment for shares redeemed will be made by check
mailed within seven days after acceptance by ACCESS of the request and any other
necessary documents in proper order. Such payment may be postponed or the right
of redemption suspended as provided by the rules of the SEC. If the shares to be
redeemed have been recently purchased by check, ACCESS may delay mailing a
redemption check until it confirms the purchase check has cleared, usually a
period of up to 15 days. Any taxable gain or loss will be recognized by the
shareholder upon redemption of shares.
 
  The Fund may redeem any shareholder account with a net asset value of less
than $50, provided that there has been no purchase of shares for that account
during a continuous period of at least twelve months. The Fund would redeem a
shareholder's account falling below the minimum initial investment only if this
results from shareholder withdrawals and not from market decline. Three months
advance notice of any such involuntary redemption is required and the
shareholder is given an opportunity to purchase the required value of additional
shares at the next determined net asset value without sales charge. Any
applicable contingent deferred sales charge will be deducted from the proceeds
of this redemption.
 
  TELEPHONE REDEMPTIONS. In addition to the regular redemption procedures set
forth above, the Fund permits shareholders and the dealer representative of
record to redeem shares by telephone and to have redemption proceeds sent to the
address of record for the account or to the bank account of record as described
below. To establish such privilege, a shareholder must complete the appropriate
section of the application form in this Prospectus or call the Fund at (800)
421-5666 to request that a copy of the Telephone Redemption Authorization form
be sent to them for completion. To redeem shares, contact the telephone
transaction line at (800) 421-5684. Van Kampen Ameri-
 
                                       33
<PAGE>   34
 
can Capital and the Fund employ procedures considered by them to be reasonable
to confirm that instructions communicated by telephone are genuine. Such
procedures include requiring certain personal identification information prior
to acting upon telephone instructions, tape recording telephone communications,
and providing written confirmation of instructions communicated by telephone. If
reasonable procedures are employed, neither Van Kampen American Capital nor the
Fund will be liable for following telephone instructions which it reasonably
believes to be genuine. Van Kampen American Capital and the Fund may be liable
for any losses due to unauthorized or fraudulent instructions if reasonable
procedures are not followed. Telephone redemptions may not be available if the
shareholder cannot reach ACCESS by telephone, whether because all telephone
lines are busy or for any other reason; in such case, a shareholder would have
to use the Fund's regular redemption procedure previously described. Requests
received by ACCESS prior to 4:00 p.m., New York time, on a regular business day
will be processed at the net asset value per share determined that day. These
privileges are available for all accounts other than retirement accounts. The
telephone redemption privilege is not available for shares represented by
certificates. If an account has multiple owners, ACCESS may rely on the
instructions of any one owner.
 
  For redemptions authorized by telephone, amounts of $50,000 or less may be
redeemed once in each 30-day period. The proceeds must be payable to the
shareholder(s) of record and sent to the address of record for the account or
wired directly to their predesignated bank account. This privilege is not
available if the address of record has been changed within 60 days prior to a
telephone redemption request. Proceeds from redemptions are expected to be wired
on the next business day following the date of redemption. The Fund reserves the
right at any time to terminate, limit or otherwise modify this redemption
privilege.
 
  REINSTATEMENT PRIVILEGE. A Class A or Class B shareholder who has redeemed
shares of the Fund may reinstate any portion or all of the net proceeds of such
redemption in Class A shares of the Fund. A Class C shareholder who has redeemed
shares of the Fund may reinstate any portion or all of the net proceeds of such
redemption in Class C shares of the Fund with credit given for any contingent
deferred sales charge paid upon such redemption. Such reinstatement is made at
the net asset value (without sales charge except as described under "Shareholder
Services -- Exchange Privilege") next determined after the order is received,
which must be within 120 days after the date of the redemption. See "Purchase of
Shares -- Waiver of Contingent Deferred Sales Charge" and the Statement of
Additional Information. Reinstatement at net asset value is also offered to
participants in those eligible retirement plans held or administered by Van
Kampen American Capital Trust Company for repayment of principal, and interest,
on their borrowings on such plans.
 
                                       34
<PAGE>   35
 
- ------------------------------------------------------------------------------
DIVIDENDS, DISTRIBUTIONS AND TAXES
- ------------------------------------------------------------------------------
 
  In addition to any increase in the value of shares which the Fund may achieve,
shareholders may receive two kinds of return from the Fund: dividends and
capital gains distributions.
 
  DIVIDENDS. Dividends from stocks and interest earned from other investments
are the Fund's main source of income. Substantially all of this income, less
expenses, is distributed quarterly as dividends to shareholders. Unless the
shareholder instructs otherwise, dividends are automatically applied to purchase
additional shares of the Fund at the next determined net asset value. See
"Shareholder Services -- Reinvestment Plan."
 
  The per share dividends on Class B and Class C shares may be lower than the
per share dividends on Class A shares as a result of the distribution fees and
higher incremental transfer agency fees applicable to such classes of shares.
 
  CAPITAL GAINS. The Fund may realize capital gains or losses when it sells
securities, depending on whether the sales prices for the securities are higher
or lower than their purchase prices. The Fund distributes to shareholders at
least once a year the excess, if any, of its total profits on the sale of
securities during the year over its total losses on the sale of securities,
including capital losses carried forward from prior years under tax laws. As in
the case of income dividends, capital gains distributions are automatically
reinvested in additional shares of the Fund at net asset value.
 
  TAXES. The Fund has qualified and intends to be taxed as a regulated
investment company under the Code. By qualifying as a regulated investment
company, the Fund is not subject to federal income taxes to the extent it
distributes its net investment income and net realized capital gains.
Shareholders not subject to tax on their income will not, however, be required
to pay tax on amounts distributed to them. Dividends from net investment income
and distributions from any net realized short-term capital gains are taxable to
shareholders as ordinary income. Long-term capital gains distributions
constitute long- term capital gains for federal income tax purposes. All such
dividends and distributions are taxable to the shareholder whether or not
reinvested in shares.
 
  Shareholders are notified annually of the federal tax status of dividends and
capital gains distributions.
 
  To avoid being subject to a 31% federal backup withholding on dividends,
distributions and redemption payments, shareholders must furnish the Fund with a
certification of their correct taxpayer identification number.
 
  Dividends and distributions paid by the Fund have the effect of reducing net
asset value per share on the record date by the amount of the payment.
Therefore, a dividend or distribution paid shortly after the purchase of shares
by an investor would represent, in substance, a return of capital to the
shareholder (to the extent it is paid on the shares so purchased) even though
subject to income taxes as discussed above.
 
  Gains or losses on the Fund's transactions in listed options (except certain
equity options) on securities or indexes, futures and options on futures
generally are treated as 60% long-term and 40% short-term, and positions held by
the Fund at the end of its fiscal
 
                                       35
<PAGE>   36
 
year generally are required to be marked to market, with the result that
unrealized gains and losses are treated as realized. Gains and losses realized
by the Fund from writing over-the-counter options constitute short-term capital
gains or losses unless the option is exercised, in which case the character of
the gain or loss is determined by the holding period of the underlying security.
The Code contains certain "straddle" rules which require deferral of losses
incurred in certain transactions involving hedged positions to the extent the
Fund has unrealized gains in offsetting positions and generally terminate the
holding period of the subject position. Additional information is set forth in
the Statement of Additional Information.
 
  The foregoing is a brief summary of some of the federal income tax
considerations affecting the Fund and its investors who are U.S. residents or
U.S. corporations. Investors should consult their tax advisers for more detailed
tax advice including state and local tax considerations. Foreign investors
should consult their own counsel for further information as to the U.S. and
their country of residence or citizenship tax consequences of receipt of
dividends and distributions from the Fund.
 
- ------------------------------------------------------------------------------
PRIOR PERFORMANCE INFORMATION
- ------------------------------------------------------------------------------
 
  From time to time, the Fund may advertise its total return for prior periods.
Any such advertisement would include at least average annual total return
quotations for one-year, five-year, and ten-year periods. Other total return
quotations, aggregate or average, over other time periods may also be included.
 
  The total return of the Fund for a particular period represents the increase
(or decrease) in the value of a hypothetical investment in the Fund from the
beginning to the end of the period. Total return is calculated by subtracting
the value of the initial investment from the ending value and showing the
difference as a percentage of the initial investment; the calculation assumes
the initial investment is made at the current maximum public offering price
(which includes a maximum sales charge of 5.75% for Class A shares); that all
income dividends or capital gains distributions during the period are reinvested
in Fund shares at net asset value; and that any applicable contingent deferred
sales charge has been paid. The Fund's total return will vary depending on
market conditions, the securities comprising the Fund's portfolio, the Fund's
operating expenses and unrealized net capital gains or losses during the period.
Since shares of the Fund were offered at a maximum sales charge at 8.50% prior
to June 12, 1989, actual Fund total return would have been somewhat less than
that computed on the basis of the current maximum sales charge. Total return is
based on historical earnings and asset value fluctuations and is not intended to
indicate future performance. No adjustments are made to reflect any income taxes
payable by shareholders on dividends and distributions paid by the Fund or to
reflect the fact no 12b-1 fees were incurred prior to October 1, 1989.
 
  Average annual total return quotations for periods of two or more years are
computed by finding the average annual compounded rate of return over the period
that would equate the initial amount invested to the ending redeemable value.
 
                                       36
<PAGE>   37
 
  Total return is calculated separately for Class A, Class B and Class C shares.
Class A total return figures include the maximum sales charge of 5.75%; Class B
and Class C total return figures include any applicable contingent deferred
sales charge. Because of the differences in sales charges and distribution fees,
the total returns for each of the classes will differ.
 
  In reports or other communications to shareholders or in advertising material,
the Fund may compare its performance with that of other mutual funds as listed
in the rankings or ratings prepared by Lipper Analytical Services, Inc., CDA,
Morningstar Mutual Funds or similar independent services which monitor the
performance of mutual funds, with the Consumer Price Index, the Dow Jones
Industrial Average Index, Standard & Poor's, NASDAQ, other appropriate indices
of investment securities, or with investment or savings vehicles. The
performance information may also include evaluations of the Fund published by
nationally recognized ranking services and by financial publications that are
nationally recognized, such as Business Week, Forbes, Fortune, Institutional
Investor, Investor's Business Daily, Kiplinger's Personal Finance Magazine,
Money, Mutual Fund Forecaster, Stanger's Investment Adviser, USA Today, U.S.
News & World Report and The Wall Street Journal. Such comparative performance
information will be stated in the same terms in which the comparative data or
indices are stated. Any such advertisement would also include the standard
performance information required by the SEC as described above. For these
purposes, the performance of the Fund, as well as the performance of other
mutual funds or indices, do not reflect sales charges, the inclusion of which
would reduce Fund performance. The Fund will include performance data for Class
A, Class B and Class C shares of the Fund in any advertisement or information
including performance data of the Fund.
 
  The Fund may also utilize performance information in hypothetical
illustrations provided in narrative form. These hypotheticals will be
accompanied by the standard performance information required by the SEC as
described above.
 
  The Fund's Annual Report contains additional performance information. A copy
of the Annual Report may be obtained without charge by calling or writing the
Fund at the telephone number and address printed on the cover page of this
Prospectus.
 
- ------------------------------------------------------------------------------
ADDITIONAL INFORMATION
- ------------------------------------------------------------------------------
 
  ORGANIZATION OF THE FUND. The Fund was incorporated in Delaware on July 16,
1956, and reincorporated by merger into a Maryland corporation on December 29,
1978. The Fund may offer three classes of shares: Class A, Class B and Class C
shares. Each class of shares represents an interest in the assets of the Fund
and has identical voting, dividend, liquidation and other rights on the same
terms and conditions except that the distribution fees and/or service fees
related to each class of shares are borne solely by that class, and each class
of shares has exclusive voting rights with respect to provisions of the Fund's
Class A Plan, Class B Plan and Class C Plan which pertain to that class. An
order has been received from the SEC permitting the issuance and sale of
multiple
 
                                       37
<PAGE>   38
 
classes of shares representing interest in the Fund's existing portfolio. Shares
issued are fully paid, non-assessable and have no pre-emptive or conversion
rights.
 
  VOTING RIGHTS. The Bylaws of the Fund provide that shareholder meetings are
required to be held to elect directors only when required by the 1940 Act. Such
event is likely to occur infrequently. In addition, a special meeting of the
shareholders will be called, if requested by the holders of 10% of the Fund's
outstanding shares, for the purposes, and to act upon the matters, specified in
the request (which may include election or removal of directors). When matters
are submitted for a shareholder vote, each shareholder is entitled to one vote
for each share owned. The shares have non-cumulative voting rights, which means
that the holders of more than 50% of the shares voting for the election of
directors can elect 100% of the directors if they choose to do so, and in such
an event, the holders of the remaining less than 50% of the shares voting for
the election of directors will not be able to elect any person to the Board of
Directors.
 
  PERSONAL INVESTING POLICIES.  The Fund and the Adviser have adopted Codes of
Ethics designed to recognize the fiduciary relationship between the Fund and the
Adviser and its employees. The Codes permit directors, officers and employees to
buy and sell securities for their personal accounts subject to certain
restrictions. Persons with access to certain sensitive information are subject
to certain restrictions. Persons with access to certain sensitive information
are subject to pre-clearance and other procedures designed to prevent conflicts
of interest.
 
  SHAREHOLDER INQUIRIES. Shareholder inquiries should be directed to the Fund at
2800 Post Oak Boulevard, Houston, Texas 77056, (800) 421-5666.
 
  SHAREHOLDER SERVICE AGENT. ACCESS, P.O. Box 418256, Kansas City, Missouri
64141-9256, a subsidiary of ACMR, serves as transfer agent, shareholder service
agent and dividend disbursing agent to the Fund. ACCESS, a wholly owned
subsidiary of the Adviser's parent, provides these services at cost plus a
profit.
 
  LEGAL COUNSEL. O'Melveny & Myers, 400 South Hope Street, Los Angeles,
California 90071, is legal counsel to the Fund.
 
  INDEPENDENT ACCOUNTANTS. Price Waterhouse LLP, 1201 Louisiana, Suite 2900,
Houston, Texas 77002, are the independent accountants for the Fund.
 
                                       38
<PAGE>   39
 
- ------------------------------------------------------------------------------
APPENDIX -- RATINGS OF SENIOR SECURITIES
- ------------------------------------------------------------------------------
 
  Description of Standard & Poor's Corporation ("S&P") and Moody's Investors
Service ("Moody's") senior securities ratings.
MOODY'S CORPORATE BOND RATINGS:
 
  Aaa -- Bonds which are rated Aaa are judged to be of the best quality and
carry the smallest degree of investment risk. 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 which 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 which are rated A possess many favorable investment attributes and
are to be considered as upper medium grade obligations. Factors giving security
to principal and interest are considered adequate but elements may be present
which suggest a susceptibility to impairment sometime in the future.
 
  Baa -- Bonds which are rated Baa are considered as medium grade obligations,
i.e., they are neither highly protected nor poorly secured. Interest payments
and principal security appear adequate for the present but certain protective
elements may be lacking or may be characteristically unreliable over any great
period of time. Such bonds lack outstanding investment characteristics and in
fact have speculative characteristics as well.
 
  Ba -- Bonds which 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 which are rated B generally lack characteristics of the desirable
investment. Assurance of interest and principal payments or of maintenance of
other terms of the contract over any long period of time may be small.
 
  Caa--Bonds which are rated Caa are of poor standing. Such issues may be in
default or there may be present elements of danger with respect to principal or
interest.
 
  Ca--Bonds which are rated Ca represent obligations which are speculative in a
high degree. Such issues are often in default or have other marked shortcomings.
S&P'S CORPORATE BOND RATINGS:
 
  AAA -- This is the highest rating assigned by Standard & Poor's to a debt
obligation and indicates an extremely strong capacity to pay principal and
interest.
 
  AA -- Bonds rated AA also qualify as high-quality debt obligations. Capacity
to pay principal and interest is very strong, and in the majority of instances
they differ from AAA issues only in small degree.
 
                                       39
<PAGE>   40
 
  A -- Bonds rated A have a strong capacity to pay principal and interest,
although they are somewhat more susceptible to the adverse effects of changes in
circumstances and economic conditions.
 
  BBB -- Bonds rated BBB are regarded as having an adequate capacity to pay
principal and interest. Whereas they normally exhibit adequate protection
parameters, adverse economic conditions or changing circumstances are more
likely to lead to a weakened capacity to pay principal and interest for bonds in
this category than for bonds in the A category.
 
  BB -- B -- CCC -- CC -- Bonds rated BB, B, CCC and CC are regarded, on
balance, as predominantly speculative with respect to the issuer's capacity to
pay interest and repay principal in accordance with the terms of the obligation.
BB indicates the lowest degree of speculation and CC the highest degree of
speculation. While such bonds will likely have some quality and protective
characteristics, these are outweighed by large uncertainties or major risk
exposures to adverse conditions.
 
  CI -- The rating CI is reserved for income bonds on which no interest is being
paid.
 
  D -- Debt rated D is in default, and payment of interest and/or repayment of
principal is in arrears.
 
Note: Moody's applies numerical modifiers, 1, 2, and 3 in each generic rating
classification from Aa through B in its corporate bond rating system. The
modifier 1 indicates that the security ranks in the higher end of its generic
rating category; the modifier 2 indicates a mid- range ranking, and the modifier
3 indicates that the issue ranks in the lower end of its generic rating
category.
 
  Plus (+) or Minus (-): 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
rating categories.
PREFERRED STOCK RATINGS:
 
  Both Moody's and S&P use the same designations for corporate bonds as they do
for preferred stock except in the case of Moody's preferred stock ratings the
initial letter rating is not capitalized. While the descriptions are tailored
for preferred stocks the relative quality distinctions are comparable to those
described above for corporate bonds.
 
                                       40
<PAGE>   41

                        BACKUP WITHHOLDING INFORMATION

STEP 1.  Please make sure that the social security number or taxpayer
identification number (TIN) which appears on the Application complies with
the following guidelines:


<TABLE>
<S>                                <C>
Account Type                       Give Social Security Number or Tax
                                   Identification Number of:
- --------------------------------------------------------------------------------
Individual                         Individual
- --------------------------------------------------------------------------------
Joint (or Joint Tenant)            Owner who will be paying tax
- --------------------------------------------------------------------------------
Uniform Gifts to Minors            Minor
- --------------------------------------------------------------------------------
Legal Guardian                     Ward, Minor or Incompetent
- --------------------------------------------------------------------------------
Sole Proprietor                    Owner of Business
- --------------------------------------------------------------------------------
Trust, Estate, Pension
Plan Trust                         Trust, Estate, Pension Plan Trust (NOT
                                   personal TIN of fiduciary)
- --------------------------------------------------------------------------------
Corporation, Partnership,
Other Organization                 Corporation, Partnership, Other
                                   Organization
- --------------------------------------------------------------------------------
Broker/Nominee                     Broker/Nominee
- --------------------------------------------------------------------------------
</TABLE>

STEP 2.  If you do not have a TIN or you do not know your TIN, you must obtain
Form SS-5 (Application for Social Security Number) or Form SS-4 (Application
for Employer Identification Number) from your local Social Security or IRS
office and apply for one. Write "Applied For" in the space on the application.
 
STEP 3.  If you are one of the entities listed below, you are exempt from
backup withholding and should not check the box on the Application in Section
2, Taxpayer Identification.

* A corporation

* Financial institution

* Section 501 (a) exempt organization (IRA, Corporate Retirement Plan,
  403(b), Keogh)

* United States or any agency or instrumentality thereof

* A State, the District of Columbia, a possession of the United States, or
  any subdivision or instrumentality thereof

* International organization or any agency or instrumentality thereof

* Registered dealer in securities or commodities registered in the U.S. or
  a possession of the U.S.

* Real estate investment trust

* Common trust fund operated by a bank under section 584 (a)

* An exempt charitable remainder trust, or a non-exempt trust described in
  section 4947 (a) (1)

If you are in doubt as to whether you are exempt, please contact the Internal
Revenue Service.

STEP 4.  IRS PENALTIES -- If you do not supply us with your TIN, you will be
subject to an IRS $50 penalty unless your failure is due to reasonable cause
and not willful neglect. If you fail to report interest, dividend or
patronage dividend income on your federal income tax return, you will be
treated as negligent and subject to an IRS 5% penalty tax on any resulting
underpayment of tax unless there is clear and convincing evidence to the
contrary. If you falsify information on this form or make any other false
statement resulting in no backup withholding on an account which should be
subject to backup withholding, you may be subject to an IRS $500 penalty and
certain criminal penalties including fines and imprisonment.


<PAGE>   42

                               AMERICAN CAPITAL
                              HARBOR FUND, INC.

                                                              PROSPECTUS
                                                              May 1, 1995
NATIONAL DISTRIBUTOR
Van Kampen American Capital Distributors, Inc.
One Parkview Plaza
Oakbrook Terrace, IL 60181

INVESTMENT ADVISER
Van Kampen American Capital
Asset Management, Inc.
2800 Post Oak Blvd.
Houston, TX 77056

TRANSFER, DISBURSING, REDEMPTION
AND SHAREHOLDER SERVICE AGENT
ACCESS Investor Services, Inc.
P.O. Box 418256
Kansas City, MO 64141-9256

INDEPENDENT ACCOUNTANTS
Price Waterhouse LLP
1201 Louisiana
Houston, TX 77002

CUSTODIAN
State Street Bank and Trust Company
225 Franklin Street
Boston, MA 02110

Inquiries concerning transfer of
registration, distributions, redemptions
and shareholder service should be
directed to the Shareholder Service Agent,
ACCESS Investor Services, Inc.
(ACCESS), P.O. Box 418256,
Kansas City, MO 64141-9256.
Inquiries concerning sales should be
directed to the Distributor, 
Van Kampen American Capital Distributors, Inc.,
One Parkview Plaza
Oakbrook Terrace, IL 60181


American Capital          C/O ACCESS 
Harbor Fund, Inc.         P.O. Box 418256
                          Kansas City, MO 64141-9256 



                                           For investors seeking protection
                                           of capital and current income
                                           throughout investment in money
                                           market instruments.
        

                                                  [AMERICAN CAPITAL LOGO]
PRINTED MATTER
Printed in U.S.A./023 PRO-001
<PAGE>   43
 
PART B: STATEMENT OF ADDITIONAL INFORMATION
 
                       AMERICAN CAPITAL HARBOR FUND, INC.
                                  MAY 1, 1995
 
     This Statement of Additional Information is not a Prospectus but contains
information in addition to and more detailed than that set forth in the
Prospectus and should be read in conjunction with the Prospectus. The Statement
of Additional Information and the related Prospectus are both dated May 1, 1995.
A Prospectus may be obtained without charge by calling or writing Van Kampen
American Capital Distributors, Inc. at One Parkview Plaza, Oakbrook Terrace,
Illinois 60181 at (800) 421-5666.
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                                        PAGE
                                                                                        ----
<S>                                                                                     <C>
GENERAL INFORMATION...................................................................    2
RISK FACTORS..........................................................................    2
CONVERTIBLE SECURITIES................................................................    3
REPURCHASE AGREEMENTS.................................................................    4
FOREIGN SECURITIES....................................................................    4
OPTIONS, FUTURES CONTRACTS AND RELATED OPTIONS........................................    5
INVESTMENT RESTRICTIONS...............................................................    9
DIRECTORS AND EXECUTIVE OFFICERS......................................................   11
INVESTMENT ADVISORY AGREEMENT.........................................................   13
DISTRIBUTOR...........................................................................   15
DISTRIBUTION PLANS....................................................................   15
TRANSFER AGENT........................................................................   16
PORTFOLIO TURNOVER....................................................................   17
PORTFOLIO TRANSACTIONS AND BROKERAGE..................................................   17
DETERMINATION OF NET ASSET VALUE......................................................   18
PURCHASE AND REDEMPTION OF SHARES.....................................................   19
EXCHANGE PRIVILEGE....................................................................   23
DIVIDENDS, DISTRIBUTIONS AND FEDERAL TAXES............................................   23
PRIOR PERFORMANCE INFORMATION.........................................................   25
OTHER INFORMATION.....................................................................   26
FINANCIAL STATEMENTS..................................................................   26
</TABLE>
<PAGE>   44
 
GENERAL INFORMATION
 
     The Fund was incorporated in Delaware on July 16, 1956 and reincorporated
by merger into a Maryland corporation on December 29, 1978.
 
     Van Kampen American Capital Asset Management, Inc. (the "Adviser"), Van
Kampen American Capital Distributors, Inc. (the "Distributor"), and ACCESS
Investor Services, Inc. ("ACCESS") are wholly owned subsidiaries of Van Kampen
American Capital, Inc. ("VKAC"), which is a wholly owned subsidiary of VK/AC
Holding, Inc. VK/AC Holding, Inc. is controlled, through the ownership of a
substantial majority of its common stock, by The Clayton & Dubilier Private
Equity Fund IV Limited Partnership ("C&D L.P."), a Connecticut limited
partnership. C&D L.P. is managed by Clayton, Dubilier & Rice, Inc. a New York
based private investment firm. The General Partner of C&D L.P. is Clayton &
Dubilier Associates IV Limited Partnership ("C&D Associates L.P."). The general
partners of C&D Associates L.P. are Joseph L. Rice, III, B. Charles Ames,
Alberto Cribiore, Donald J. Gogel and Hubbard C. Howe, each of whom is a
principal of Clayton, Dubilier & Rice, Inc. In addition, certain officers,
directors and employees of VKAC own, in the aggregate, not more than six percent
of the common stock of VK/AC Holding, Inc. and have the right to acquire, upon
the exercise of options, approximately an additional 10% of the common stock of
VK/AC Holding, Inc. Advantage Capital Corporation, a retail broker-dealer
affiliate of the Distributor, is a wholly owned subsidiary of VK/AC Holding,
Inc. See "The Fund and Its Management" in the Prospectus.
 
     As of April 12, 1995, no person was known to hold of record or beneficially
five percent or more of the outstanding Class A, Class B or Class C shares of
the Fund except the following:
 
<TABLE>
<CAPTION>
                                                                                          PERCENTAGE
                NAME AND ADDRESS                    CLASS OF      AMOUNT OF RECORD            OF
                    OF HOLDER                        SHARES          OWNERSHIP            OWNERSHIP
                ----------------                    --------      ----------------       ------------
<S>                                                 <C>           <C>                    <C>
Smith Barney Inc.                                    Class B              406,023             7.63%
  11th Floor
  388 Greenwich Street                               Class C               46,616            19.33%
  New York, NY 10013-2375
National Financial Services, Inc.                    Class B              441,270             8.29%
  200 Liberty One World Financial Center
  New York, NY 10281-1003
Merrill Lynch Pierce Fenner                          Class B              326,389             6.13%
  P.O. Box 45286                                     Class C               37,847            15.70%
  Jacksonville, FL 32232-5286
Donaldson Lufkin                                     Class C               48,815            20.25%
  1 Pershing Plaza, 5th Floor
  Jersey City, NJ 07399-0001
Van Kampen American Capital Trust Company            Class A        7,711,162.437            28.41%
  2800 Post Oak Blvd.                                Class B        1,287,835.456            24.20%
  Houston, TX 77056                                  Class C           40,134.541            16.65%
IRA A/C Carole M. Demarest
  6 Lacy Ct.
  Oroville, CA 95965-3485                            Class C           17,351.306             7.20%
</TABLE>
 
RISK FACTORS
 
     The following special considerations are additional risk factors associated
with the Fund's investments in lower rated debt securities.
 
     1. Youth and Growth of the Lower Rated Debt Securities Market. The market
        for lower rated debt securities (commonly referred to as "junk bonds")
        is relatively new and its growth has paralleled a long economic
        expansion. Past experience may not, therefore, provide an accurate
        indication of future performance of this market, particularly during
        periods of economic recession. An economic downturn or increase in
        interest rates is likely to have a greater negative effect on this
        market, the value of lower rated debt securities in the Fund's
        portfolio, the Fund's net asset value and the ability of the bonds'
        Issuers to repay principal and interest, meet projected business goals
        and obtain additional financing
 
                                        2
<PAGE>   45
 
        than on higher rated securities. These circumstances also may result in
        a higher incidence of defaults than with respect to higher rated
        securities. An investment in this Fund may be considered more
        speculative than investment in shares of a fund which invests only in
        higher rated debt securities.
 
     2. Sensitivity to Interest Rate and Economic Changes. Prices of lower rated
        debt securities may be more sensitive to adverse economic changes or
        corporate developments than higher rated investments. Debt securities
        with longer maturities, which may have higher yields, may increase or
        decrease in value more than debt securities with shorter maturities.
        Market prices of lower rated debt securities structured as zero coupon
        or pay-in-kind securities are affected to a greater extent by interest
        rate changes and may be more volatile than securities which pay interest
        periodically and in cash. Where it deems it appropriate and in the best
        interests of Fund shareholders, the Fund may incur additional expenses
        to seek recovery on a debt security on which the issuer has defaulted
        and to pursue litigation to protect the interests of security holders of
        its portfolio companies.
 
     3. Liquidity and Valuation. Because the market for lower rated securities
        may be thinner and less active than for higher rated securities, there
        may be market price volatility for these securities and limited
        liquidity in the resale market. Nonrated securities are usually not as
        attractive to as many buyers as rated securities are, a factor which may
        make nonrated securities less marketable. These factors may have the
        effect of limiting the availability of the securities for purchase by
        the Fund and may also limit the ability of the Fund to sell such
        securities at their fair value either to meet redemption requests or in
        response to changes in the economy or the financial markets. Adverse
        publicity and investor perceptions, whether or not based on fundamental
        analysis, may decrease the values and liquidity of lower rated debt
        securities, especially in a thinly traded market. To the extent the Fund
        owns or may acquire illiquid or restricted lower rated securities, these
        securities may involve special registration responsibilities,
        liabilities and costs, and liquidity and valuation difficulties. Changes
        in values of debt securities which the Fund owns will affect its net
        asset value per share. If market quotations are not readily available
        for the Fund's lower rated or nonrated securities, these securities will
        be valued by a method that the Fund's Board of Directors believes
        accurately reflects fair value. Judgment plays a greater role in valuing
        lower rated debt securities than with respect to securities for which
        more external sources of quotations and last sale information are
        available.
 
     4. Congressional Action. New and proposed laws may have an impact on the
        market for lower rated debt securities. The Adviser is unable at this
        time to predict what effect, if any, the legislation may have on the
        market for lower rated debt securities.
 
     5. Taxation. Special tax considerations are associated with investing in
        lower rated debt securities structured as zero coupon or pay-in-kind
        securities. The Fund accrues income on these securities prior to the
        receipt of cash payments. The Fund must distribute substantially all of
        its income to its shareholders to qualify for pass-through treatment
        under the tax laws and may, therefore, have to dispose of its portfolio
        securities to satisfy distribution requirements.
 
CONVERTIBLE SECURITIES
 
     A convertible security's position in a company's capital structure depends
upon its particular provisions. In the case of subordinated convertible
debentures, the holders' claims on assets and earnings are subordinated to the
claims of other creditors, and are senior to the claims of preferred and common
shareholders. In the case of convertible preferred stock, the holders' claims on
assets and earnings are subordinated to the claims of all creditors and are
senior to the claims of common shareholders.
 
     Every convertible security may be valued, on a theoretical basis, as if it
did not have a conversion privilege. Such theoretical value is determined by the
yield it provides in comparison with the yields of other securities of
comparable character and quality which do not have a conversion privilege. This
theoretical value, which will change with prevailing interest rates, the credit
standing of the issuer and other pertinent factors, is often referred to as the
"investment value," and represents the security's theoretical price support
level.
 
                                        3
<PAGE>   46
 
     "Conversion value" is the amount a convertible security would be worth in
market value if it were to be exchanged for the underlying equity security
pursuant to its conversion privilege. Conversion value fluctuates directly with
the price of the underlying equity security, usually common stock. If, because
of low prices for the common stock, the conversion value is substantially below
the investment value, the price of the convertible security is governed
principally by the factors described in the preceding paragraph. If the
conversion value rises near or above its investment value, the price of the
convertible security generally will rise above its investment value and, in
addition, will sell at some premium over its conversion value. This premium
represents the price investors are willing to pay for the privilege of
purchasing a fixed income security with a possibility of capital appreciation
due to the conversion privilege. If this appreciation potential is not realized,
this premium may not be recovered. If the common stock should continue to
advance in price, the premium would become less significant and the convertible
security would fluctuate at a rate comparable to that of the common stock.
 
     To the degree that the price of a convertible security rises above its
investment value because of a rise in price of the common stock, it is
influenced more by price fluctuations of the common stock and less by its
investment value. The price of a convertible security that is supported
principally by its conversion value will rise along with any increase in the
common stock, and such price generally will decline along with any decline in
the price of the common stock except that the security will receive additional
support as its price approaches investment value. A convertible security
purchased or held at a time when its price is influenced by its conversion value
will produce a lower yield than nonconvertible senior securities with comparable
investment values. Convertible securities may be purchased by the Fund at
varying price levels above their investment values and/or their conversion
values in keeping with the Fund's investment objectives.
 
REPURCHASE AGREEMENTS
 
     The Fund may enter into repurchase agreements with domestic banks or
broker-dealers. A repurchase agreement is a short-term investment in which the
purchaser (i.e., the Fund) acquires ownership of a debt security and the seller
agrees to repurchase the obligation at a future time and set price, usually not
more than seven days from the date of purchase, thereby determining the yield
during the purchaser's holding period. Repurchase agreements are collateralized
by the underlying debt securities and may be considered to be loans under the
Investment Company Act of 1940 as amended (the "1940 Act"). The Fund will make
payment for such securities only upon physical delivery or evidence of book
entry transfer to the account of a custodian or bank acting as agent. The seller
under a repurchase agreement will be required to maintain the value of the
underlying securities marked to market daily at not less than the repurchase
price. The underlying securities (securities of the U.S. Government, or its
agencies and instrumentalities), may have maturity dates exceeding one year. The
Fund does not bear the risk of a decline in value of the underlying security
unless the seller defaults under its repurchase obligation. The Fund will not
invest in repurchase agreements maturing in more than seven days if any such
investments, together with any other illiquid security held by the Fund, exceeds
ten percent of the value of its net assets. See "Investment Practices and
Restrictions -- Repurchase Agreements" in the Prospectus for further
information.
 
FOREIGN SECURITIES
 
     The Fund may invest up to 15% of the value of its assets in securities of
foreign issuers. Such securities may be subject to foreign government taxes
which would reduce the income yield on such securities. Foreign investments
involve certain risks, such as political or economic instability of the issuer
or of the country of issue, changes in currency exchange rates, the difficulty
of predicting international trade patterns and the possibility of imposition of
exchange controls. Such securities may also be subject to greater fluctuations
in price than securities of domestic corporations or of the United States
Government. In addition, there may be less publicly available information about
a foreign company than about a domestic company. Foreign companies generally are
not subject to uniform accounting, auditing and financial reporting, standards
comparable to those applicable to domestic companies. There is generally less
government regulation of stock exchanges, brokers and listed companies abroad
than in the United States, and, with respect to certain foreign countries, there
is a possibility of expropriation or confiscatory taxation, or diplomatic
developments which
 
                                        4
<PAGE>   47
 
could affect investment in those countries. Finally, in the event of a default
on any such foreign debt obligations, it may be more difficult for the Fund to
obtain or to enforce a judgment against the issuers of such securities.
 
OPTIONS, FUTURES CONTRACTS AND RELATED OPTIONS
 
WRITING CALL AND PUT OPTIONS
 
     Purpose. The principal reason for writing options is to obtain, through
receipt of premiums, a greater current return than would be realized on the
underlying securities alone. Such current return could be expected to fluctuate
because premiums earned from an option writing program and dividend or interest
income yields on portfolio securities vary as economic and market conditions
change. Writing options on portfolio securities is likely to result in a higher
portfolio turnover rate.
 
     Writing Options. The purchaser of a call option pays a premium to the
writer (i.e., the seller) for the right to buy the underlying security from the
writer at a specified price during a certain period. The Fund would write call
options only on a covered basis, which means that, at all times during the
option period, the Fund would own or have the right to acquire securities of the
type that it would be obligated to deliver if any outstanding option were
exercised.
 
     The purchaser of a put option pays a premium to the writer (i.e., the
seller) for the right to sell the underlying security to the writer at a
specified price during a certain period. The Fund would write put options only
on a secured basis, which means that, at all times during the option period, the
Fund would maintain in a segregated account with its Custodian cash, cash
equivalents or U.S. Government securities in an amount of not less than the
exercise price of the option, or would hold a put on the same underlying
security at an equal or greater exercise price.
 
     Closing Purchase Transactions and Offsetting Transactions. In order to
terminate its position as a writer of a call or put option, the Fund could enter
into a "closing purchase transaction," which is the purchase of a call (put) on
the same underlying security and having the same exercise price and expiration
date as the call (put) previously written by the Fund. The Fund would realize a
gain (loss) if the premium plus commission paid in the closing purchase
transaction is less (greater) than the premium it received on the sale of the
option. The Fund would also realize a gain if an option it has written lapses
unexercised.
 
     The Fund could write options that are listed on an exchange as well as
options which are privately negotiated in over-the-counter transactions. A Fund
could close out its position as a writer of an option only if a liquid secondary
market exists for options of that series, but there is no assurance that such a
market will exist, particularly in the case of over-the-counter options, since
they can be closed out only with the other party to the transaction.
Alternatively, the Fund could purchase an offsetting option, which would not
close out its position as a writer, but would provide an asset of equal value to
its obligation under the option written. If the Fund is not able to enter into a
closing purchase transaction or to purchase an offsetting option with respect to
an option it has written, it will be required to maintain the securities subject
to the call or the collateral underlying the put until a closing purchase
transaction can be entered into (or the option is exercised or expires), even
though it might not be advantageous to do so.
 
     Risks of Writing Options. By writing a call option, the Fund loses the
potential for gain on the underlying security above the exercise price while the
option is outstanding; by writing a put option a Fund might become obligated to
purchase the underlying security at an exercise price that exceeds the then
current market price.
 
     Each of the exchanges has established limitations governing the maximum
number of call or put options on the same underlying security (whether or not
covered) that may be written by a single investor, whether acting alone or in
concert with others, regardless of whether such options are written on one or
more accounts or through one or more brokers. An exchange may order the
liquidation of positions found to be in violation of those limits, and it may
impose other sanctions or restrictions. These position limits may restrict the
number of options the Fund may be able to write.
 
                                        5
<PAGE>   48
 
PURCHASING CALL AND PUT OPTIONS
 
     The Fund could purchase call options to protect (i.e., hedge) against
anticipated increases in the prices of securities it wishes to acquire.
Alternatively, call options could be purchased for capital appreciation. Since
the premium paid for a call option is typically a small fraction of the price of
the underlying security, a given amount of funds will purchase call options
covering a much larger quantity of such security than could be purchased
directly. By purchasing call options, the Fund could benefit from any
significant increase in the price of the underlying security to a greater extent
than had it invested the same amount in the security directly. However, because
of the very high volatility of option premiums, the Fund would bear a
significant risk of losing the entire premium if the price of the underlying
security did not rise sufficiently, or if it did not do so before the option
expired.
 
     Conversely, put options could be purchased to protect (i.e., hedge) against
anticipated declines in the market value of either specific portfolio securities
or of the Fund's assets generally. Alternatively, put options could be purchased
for capital appreciation in anticipation of a price decline in the underlying
security and a corresponding increase in the value of the put option. The
purchase of put options for capital appreciation involves the same significant
risk of loss as described above for call options.
 
     In any case, the purchase of options for capital appreciation would
increase the Fund's volatility by increasing the impact of changes in the market
price of the underlying securities on the Fund's net asset value.
 
OPTIONS ON STOCK INDEXES
 
     Options on stock indexes are similar to options on stock, but the delivery
requirements are different. Instead of giving the right to take or make delivery
of stock at a specified price, an option on a stock index gives the holder the
right to receive an amount of cash upon exercise of the option. Receipt of this
cash amount will depend upon the closing level of the stock index upon which the
option is based being greater than (in the case of a call) or less than (in the
case of a put) the exercise price of the option. The amount of cash received
will be the difference between the closing price of the index and the exercise
price of the option, multiplied by a specified dollar multiple. The writer of
the option is obligated, in return for the premium received, to make delivery of
this amount.
 
     Some stock index options are based on a broad market index such as the
Standard & Poor's 500 or the New York Stock Exchange Composite Index, or a
narrower index such as the Standard & Poor's 100. Indexes are also based on an
industry or market segment such as the AMEX Oil and Gas Index or the Computer
and Business Equipment Index. A stock index fluctuates with changes in the
market values of the stocks included in the index. Options are currently traded
on The Chicago Board Options Exchange, the American Stock Exchange and other
exchanges.
 
     Gain or loss to the Fund on transactions in stock index options will depend
on price movements in the stock market generally (or in a particular industry or
segment of the market) rather than price movements of individual securities. As
with stock options, the Fund may offset its position in stock index options
prior to expiration by entering into a closing transaction on an exchange, or it
may let the option expire unexercised.
 
FUTURES CONTRACTS
 
     The Fund may engage in transactions involving futures contracts and related
options in accordance with the rules and interpretations of the Commodity
Futures Trading Commission ("CFTC") under which the Fund is exempt from
registration as a "commodity pool."
 
     A stock index futures contract is an agreement pursuant to which a party
agrees to take or make delivery of cash equal to a specified dollar amount times
the difference between the stock index value at a specified time and the price
at which the futures contract is originally struck. No physical delivery of the
underlying stocks in the index is made.
 
                                        6
<PAGE>   49
 
     An interest rate futures contract is an agreement pursuant to which a party
agrees to take or make delivery of a specified debt security (such as U.S.
Treasury bonds or notes) at a specified future time and at a specified price.
 
     Initial and Variation Margin. In contrast to the purchase or sale of a
security, no price is paid or received upon the purchase or sale of a futures
contract. Initially, the Fund is required to deposit with its Custodian in an
account in the broker's name an amount of cash, cash equivalents or liquid high
grade debt securities equal to a percentage (which will normally range between
two and ten percent) of the contract amount. This amount is known as initial
margin. The nature of initial margin in futures transactions is different from
that of margin in securities transactions in that futures contract margin does
not involve the borrowing of funds by the customer to finance the transaction.
Rather, the initial margin is in the nature of a performance bond or good faith
deposit on the contract, which is returned to the Fund upon termination of the
futures contract and satisfaction of its contractual obligations. Subsequent
payments to and from the broker, called variation margin, are made on a daily
basis as the price of the underlying securities or index fluctuates, making the
long and short positions in the futures contract more or less valuable, a
process known as marking to market.
 
     For example, when the Fund purchases a futures contract and the price of
the underlying security or index rises, that position increases in value, and
the Fund receives from the broker a variation margin payment equal to that
increase in value. Conversely, where the Fund purchases a futures contract and
the value of the underlying security or index declines, the position is less
valuable, and the Fund is required to make a variation margin payment to the
broker.
 
     At any time prior to expiration of the futures contract, the Fund may elect
to terminate the position by taking an opposite position. A final determination
of variation margin is then made, additional cash is required to be paid by or
released to the Fund, and the Fund realizes a loss or a gain.
 
     Futures Strategies. When the Fund anticipates a significant market or
market sector advance, the purchase of a futures contract affords a hedge
against not participating in the advance at a time when the Fund is not fully
invested ("anticipatory hedge"). Such purchase of a futures contract serves as a
temporary substitute for the purchase of individual securities, which may be
purchased in an orderly fashion once the market has stabilized. As individual
securities are purchased, an equivalent amount of futures contracts could be
terminated by offsetting sales. The Fund may sell futures contracts in
anticipation of or in a general market or market sector decline that may
adversely affect the market value of the Fund's securities ("defensive hedge").
To the extent that the Fund's portfolio of securities changes in value in
correlation with the underlying security or index, the sale of futures contracts
substantially reduces the risk to the Fund of a market decline and, by so doing,
provides an alternative to the liquidation of securities positions in the Fund
with attendant transaction costs.
 
     In the event of the bankruptcy of a broker through which the Fund engages
in transactions in options, futures or related options, the Fund could
experience delays and/or losses in liquidating open positions purchased and/or
incur a loss of all or part of its margin deposits with the broker. Transactions
are entered into by the Fund only with brokers or financial institutions deemed
creditworthy by the Adviser.
 
     Special Risks Associated with Futures Transactions. There are several risks
connected with the use of futures contracts as a hedging device. These include
the risk of imperfect correlation between movements in the price of the futures
contracts and of the underlying securities, the risk of market distortion, the
illiquidity risk and the risk of error in anticipating price movement.
 
     There may be an imperfect correlation (or no correlation) between movements
in the price of the futures contracts and of the securities being hedged. The
risk of imperfect correlation increases as the composition of the securities
being hedged diverges from the securities upon which the futures contract is
based. If the price of the futures contract moves less than the price of the
securities being hedged, the hedge will not be fully effective. To compensate
for the imperfect correlation, the Fund could buy or sell futures contracts in a
greater dollar amount than the dollar amount of securities being hedged if the
historical volatility of the securities being hedged is greater than the
historical volatility of the securities underlying the futures contract.
 
                                        7
<PAGE>   50
 
Conversely, the Fund could buy or sell futures contracts in a lesser dollar
amount than the dollar amount of securities being hedged if the historical
volatility of the securities being hedged is less than the historical volatility
of the securities underlying the futures contract. It is also possible that the
value of futures contracts held by the Fund could decline at the same time as
portfolio securities being hedged; if this occurred, the Fund would lose money
on the futures contract in addition to suffering a decline in value in the
portfolio securities being hedged.
 
     There is also the risk that the price of futures contracts may not
correlate perfectly with movements in the securities or index underlying the
futures contract due to certain market distortions. First, all participants in
the futures market are subject to margin depository and maintenance
requirements. Rather than meet additional margin depository requirements,
investors may close futures contracts through offsetting transactions, which
could distort the normal relationship between the futures market and the
securities or index underlying the futures contract. Second, from the point of
view of speculators, the deposit requirements in the futures market are less
onerous than margin requirements in the securities markets. Therefore, increased
participation by speculators in the futures markets may cause temporary price
distortions. Due to the possibility of price distortion in the futures markets
and because of the imperfect correlation between movements in futures contracts
and movements in the securities underlying them, a correct forecast of general
market trends by the Adviser may still not result in a successful hedging
transaction.
 
     There is also the risk that futures markets may not be sufficiently liquid.
Futures contracts may be closed out only on an exchange or board of trade that
provides a market for such futures contracts. Although the Fund intends to
purchase or sell futures only on exchanges and boards of trade where there
appears to be an active secondary market, there can be no assurance that an
active secondary market will exist for any particular contract or at any
particular time. In the event of such illiquidity, it might not be possible to
close a futures position and, in the event of adverse price movement, the Fund
would continue to be required to make daily payments of variation margin. Since
the securities being hedged would not be sold until the related futures contract
is sold, an increase, if any, in the price of the securities may to some extent
offset losses on the related futures contract. In such event, the Fund would
lose the benefit of the appreciation in value of the securities.
 
     Successful use of futures is also subject to the Adviser's ability to
correctly predict the direction of movements in the market. For example, if the
Fund hedges against a decline in the market, and market prices instead advance,
the Fund will lose part or all of the benefit of the increase in value of its
securities holdings because it will have offsetting losses in futures contracts.
In such cases, if the Fund has insufficient cash, it may have to sell portfolio
securities at a time when it is disadvantageous to do so in order to meet the
daily variation margin.
 
     CFTC regulations require, among other things, (i) that futures and related
options be used solely for bona fide hedging purposes (or meet certain
conditions as specified in CFTC regulations) and (ii) that the Fund not enter
into futures and related options for which the aggregate initial margin and
premiums exceed five percent of the fair market value of the Fund's assets. In
order to prevent leverage in connection with the purchase of futures contracts
by the Fund, an amount of cash, cash equivalents or liquid high grade debt
securities equal to the market value of the obligation under the futures
contracts (less any related margin deposits) will be maintained in a segregated
account with the Custodian.
 
OPTIONS ON FUTURES CONTRACTS
 
     The Fund could also purchase and write options on futures contracts. An
option on a futures contract gives the purchaser the right, in return for the
premium paid, to assume a position in a futures contract (a long position if the
option is a call and a short position if the option is a put), at a specified
exercise price at any time during the option period. As a writer of an option on
a futures contract, the Fund would be subject to initial margin and maintenance
requirements similar to those applicable to futures contracts. In addition, net
option premiums received by the Fund are required to be included as initial
margin deposits. When an option on a futures contract is exercised, delivery of
the futures position is accompanied by cash representing the difference between
the current market price of the futures contract and the exercise price of the
option. The
 
                                        8
<PAGE>   51
 
Fund could purchase put options on futures contracts in lieu of, and for the
same purpose as, it could sell a futures contract; at the same time, it could
write put options at a lower strike price (a "put bear spread") to offset part
of the cost of the strategy to the Fund. The purchase of call options on futures
contracts would be intended to serve the same purpose as the actual purchase of
the futures contracts.
 
     Risks of Transactions in Options on Futures Contracts. In addition to the
risks described above which apply to all options transactions, there are several
special risks relating to options on futures. The Adviser will not purchase
options on futures on any exchange unless in the Adviser's opinion, a liquid
secondary exchange market for such options exists. Compared to the use of
futures, the purchase of options on futures involves less potential risk to the
Fund because the maximum amount at risk is the premium paid for the options
(plus transaction costs). However, there may be circumstances, such as when
there is no movement in the level of the index or in the price of the underlying
security, when the use of an option on a future would result in a loss to the
Fund when the use of a future would not.
 
ADDITIONAL RISKS TO OPTIONS AND FUTURES TRANSACTIONS
 
     Each of the Exchanges has established limitations governing the maximum
number of call or put options on the same underlying security or futures
contract (whether or not covered) which may be written by a single investor,
whether acting alone or in concert with others (regardless of whether such
options are written on the same or different Exchanges or are held or written on
one or more accounts or through one or more brokers). Option positions of all
investment companies advised by the Adviser are combined for purposes of these
limits. An Exchange may order the liquidation of positions found to be in
violation of these limits and it may impose other sanctions or restrictions.
These position limits may restrict the number of listed options which the Fund
may write.
 
     Although the Fund intends to enter into futures contracts only if there is
an active market for such contracts, there is no assurance that an active market
will exist for the contracts at any particular time. Most U.S. futures exchanges
and boards of trade limit the amount of fluctuation permitted in futures
contract prices during a single trading day. Once the daily limit has been
reached in a particular contract, no trades may be made that day at a price
beyond that limit. It is possible that futures contract prices would move to the
daily limit for several consecutive trading days with little or no trading,
thereby preventing prompt liquidation of futures positions and subjecting some
futures traders to substantial losses. In such event, and in the event of
adverse price movements, the Fund would be required to make daily cash payments
of variation margin. In such circumstances, an increase in the value of the
portion of the portfolio being hedged, if any, may partially or completely
offset losses on the futures contract. However, as described above, there is no
guarantee that the price of the securities being hedged will, in fact, correlate
with the price movements in a futures contract and thus provide an offset to
losses on the futures contract.
 
INVESTMENT RESTRICTIONS
 
     The Fund has adopted the following restrictions which, along with its
investment objective, cannot be changed without approval by the holders of a
majority of its outstanding shares. Such majority is defined by the 1940 Act as
the lesser of (i) 67% or more of the voting securities present at the meeting,
if the holders of more than 50% of the outstanding voting securities are present
or represented by proxy; or (ii) more than 50% of the outstanding voting
securities. The percentage limitations contained in the restrictions and
policies set forth herein apply at the time of purchase of securities. These
restrictions provide that the Fund shall not:
 
      1. Sell short or buy on margin, but the Fund may engage in transactions in
         options, futures contracts and related options and may make margin
         deposits and payments in connection therewith;
 
      2. Primarily engage in the underwriting or distribution of securities;
 
      3. Make any investment in real estate, commodities or commodities
         contracts, or in any security about which information is not available
         with respect to history, management, assets, earnings, and income of
         the issuer; however, the Fund is not prohibited from investing in
         securities issued by a real estate investment trust, provided that such
         trust is not permitted to invest in real estate or interests in real
 
                                        9
<PAGE>   52
 
         estate other than mortgages or other security interests, and the Fund
         is not prohibited from entering into transactions in futures contracts
         or related options;
 
      4. Make any investment which involves promotion or business management by
         the Fund or which would subject the Fund to unlimited liability;
 
      5. Invest more than five percent of its assets in the securities of any
         one issuer (except the United States Government) or purchase more than
         ten percent of the outstanding voting securities of any one issuer;
 
      6. Invest more than 25% of its assets in securities issued by companies in
         any one industry;
 
      7. Invest in companies for the purpose of exercising control;
 
      8. Make loans except that the Fund may invest up to 25% of the Fund's
         total assets in repurchase agreements;
 
      9. Borrow in excess of five percent of its assets valued at market, or ten
         percent of its assets valued at cost, and then only from banks as a
         temporary measure for extraordinary or emergency purposes; or pledge,
         encumber, transfer or assign its assets except in connection with any
         such borrowing and in amounts not in excess of the dollar amount
         borrowed. Notwithstanding the foregoing, the Fund may engage in
         transactions in options, futures contracts and related options,
         segregate or deposit assets to cover or secure options written, and
         make margin deposits or payments for futures contracts and related
         options;
 
     10. Acquire securities of any other domestic or foreign investment company
         or investment fund except in connection with a plan of merger or
         consolidation with or acquisition of substantially all the assets of
         such other investment company; or
 
     11. Engage in the underwriting of securities of other issuers, except that
         the Fund may sell an investment position even though it may be deemed
         to be an underwriter as that term is defined under the Securities Act
         of 1933.
 
     12. Issue senior securities, as defined in the 1940 Act, except that this
         restriction shall not be deemed to prohibit the Fund from (i) making
         and collateralizing any permitted borrowings, (ii) making any permitted
         loans of its portfolio securities, or (iii) entering into repurchase
         agreements, utilizing options, futures contracts, options on futures
         contracts and other investment strategies and instruments that would be
         considered "senior securities" but for the maintenance by the Fund of a
         segregated account with its custodian or some other form of "cover".
 
     The Fund is subject to the following policies, which may be amended by its
Board of Directors. The Fund shall not:
 
      1. Invest more than five percent of its total assets in securities of
         unseasoned issuers which have been in operation directly or through
         predecessors for less than three years;
 
      2. Pledge, mortgage or hypothecate its portfolio securities to the extent
         that at any time the percentage of pledged securities plus the sales
         load will exceed ten percent of the offering price of the Fund's
         shares. Notwithstanding the foregoing, the Fund may engage in
         transactions in options, futures contracts and related options,
         segregate or deposit assets to cover or secure options written, and
         make margin deposits or payments for futures contracts and related
         options;
 
      3. Purchase any warrants or rights unless acquired in units or attached to
         other securities;
 
      4. Invest in interests in oil, gas, or other mineral exploration or
         development programs, except that it may acquire securities of public
         companies which themselves are engaged in such activities;
 
      5. Invest more than 15% of the value of its assets in securities of
         foreign issuers; or
 
                                       10
<PAGE>   53
 
      6. Invest more than ten percent of its net assets (determined at the time
         of investment) in illiquid securities and repurchase agreements that
         have a maturity of longer than seven days with respect to the ten
         percent limit, the Fund may not acquire any private placement if it
         would cause more than five percent of the value of its net assets to be
         invested in private placements and other assets not having readily
         available market quotations, as determined at the time the Fund agrees
         to any such acquisition.
 
DIRECTORS AND EXECUTIVE OFFICERS
 
     The Fund's directors and executive officers and their principal occupations
during the past five years are listed below. All persons named as Directors also
serve in similar capacities for other funds advised by the Adviser as indicated
below:
 
     FERNANDO SISTO, Chairman of the Board and Director. Stevens Institute of
Technology, Castle Point Station, Hoboken, New Jersey 07030-5991. Dean of
Graduate School, George M. Bond Professor and formerly Dean of Graduate School
and Chairman, Department of Mechanical Engineering, Stevens Institute of
Technology; Director, Dynalysis of Princeton (engineering research).(1)
 
     J. MILES BRANAGAN, Director. 2300 205th Street, Torrance, California
90501-1452. Co-Founder, Chairman and President, MDT Corporation (medical
equipment).(1)
 
     RICHARD E. CARUSO, Director. Two Radnor Station, Suite 314, 290 King of
Prussia Road, Radnor, Pennsylvania, 19087. Chairman and Chief Executive Officer,
Integra LifeSciences Corporation (biotechnology/life sciences); Trustee,
Susquehanna University; Trustee and First Vice President, The Baum School of Art
(community art school); Founder and Director, Uncommon Individual Foundation
(youth development); Director, International Board of Business Performance
Group, London School of Economics; formerly Director, First Sterling Bank;
formerly Director and Executive Vice President, LFC Financial Corporation
(leasing financing).(1)
 
     ROGER HILSMAN, Director. 251-1 Hamburg Cove, Lyme, Connecticut 06371.
Formerly Professor of Government and International Affairs, Columbia
University.(1)
 
     *DON G. POWELL, President and Director. 2800 Post Oak Blvd., 45th Floor,
Houston, Texas 77056. President, Chief Executive Officer and Director of VK/AC
Holding, Inc., VKAC and the Adviser; Chairman, Chief Executive Officer and
Director of the Distributor.(1)(2)(4)
 
     DAVID REES, Director. 1601 Country Club Drive, Glendale, California 91208.
Senior Editor, Los Angeles Business Journal.(1)(3)
 
     **LAWRENCE J. SHEEHAN, Director. 1999 Avenue of the Stars, Suite 700, Los
Angeles, California 90067-6035. Of Counsel to, and formerly Partner (1969-1994)
of, the law firm of O'Melveny & Myers, legal counsel to the Fund.(1)(3)(5)
 
     WILLIAM S. WOODSIDE, Director. 712 Fifth Avenue, 40th Floor, New York, New
York 10019. Vice Chairman of the Board, Sky Chefs, Inc. (airline food catering);
formerly Director, Primerica Corporation (currently known as The Travelers
Inc.); formerly Chairman of the Board and Chief Executive Officer, old Primerica
Corporation (American Can Company); formerly Director, James River Corporation
(paper products); Trustee and formerly President, Whitney Museum of American
Art; Chairman, Institute for Educational Leadership, Inc., Board of Visitors,
Graduate School and University of The City University of New York, Academy of
Political Science; Vice Chairman of the Board of Trustees, Committee for
Economic Development; Director, Public Education Fund Network, Fund for New York
City Public Education; Trustee, Barnard College; Member, Dean's Council, Harvard
School of Public Health; Member, Mental Health Task Force, Carter Center.(1)
 
     JAMES H. BEHRMANN, Vice President. 2800 Post Oak Blvd., Houston, Texas
77056. Vice President -- Portfolio Manager of the Adviser; Vice President of
American Capital Convertible Securities, Inc.(4)
 
                                       11
<PAGE>   54
 
     NORI L. GABERT, Vice President and Secretary. 2800 Post Oak Blvd., Houston,
Texas 77056. Vice President, Associate General Counsel and Corporate Secretary
of the Adviser.(4)
 
     TANYA M. LODEN, Vice President and Controller. 2800 Post Oak Blvd.,
Houston, Texas 77056. Vice President and Controller of most of the investment
companies advised by the Adviser; formerly Tax Manager/Assistant Controller.(4)
 
     DENNIS J. MCDONNELL, Vice President. One Parkview Plaza, Oakbrook Terrace,
IL 60181. Director of VK/AC Holding, Inc. and Van Kampen American Capital, Inc.,
President, Chief Operating Officer and Director of Van Kampen American Capital
Investment Advisory Corp.; and Director of McCarthy, Crisanti & Maffei, Inc.(4)
 
     CURTIS W. MORELL, Vice President and Treasurer. 2800 Post Oak Blvd.,
Houston, Texas 77056. Vice President and Treasurer of most of the investment
companies advised by the Adviser.(4)
 
     RONALD A. NYBERG, Vice President, One Parkview Plaza, Oakbrook Terrace, IL
60181. Executive Vice President, General Counsel and Secretary of VK/AC Holding,
Inc., Vice President of ACCESS Investor Services, Inc. and Van Kampen American
Services Inc., Vice President, General Counsel and Assistant Secretary of Van
Kampen American Capital Investment Advisory Corp., Senior Vice President and
General Counsel of the Adviser, Executive Vice President and General Counsel and
Director of VKAC Distributors, Inc.(4)
 
     ALAN T. SACHTLEBEN, Vice President. 2800 Post Oak Blvd., Houston, Texas
77056. Executive Vice President of VK/AC Holding, Inc. and VKAC; Senior Vice
President -- Chief Investment Officer/Equity and Director of the Adviser.(4)
 
     J. DAVID WISE, Vice President and Assistant Secretary. 2800 Post Oak Blvd.,
Houston, Texas 77056. Vice President, Associate General Counsel and Compliance
Review Officer of the Adviser.(4)
 
     PAUL R. WOLKENBERG, Vice President. 2800 Post Oak Blvd., Houston, Texas
77056. Senior Vice President of the Adviser; President, Chief Operating Officer
and Director of Van Kampen American Capital Services, Inc.; Executive Vice
President, Chief Operating Officer and Director of Van Kampen American Capital
Trust Company; Executive Vice President and Director of ACCESS.(4)
- ---------------
 
<TABLE>
<S>  <C>
   * Director who is an interested person of the Adviser and of the Fund within the meaning
     of the 1940 Act by virtue of his affiliation with the Adviser.
  ** Director who is an interested person of the Fund and may be an interested person of the
     Adviser within the meaning of the 1940 Act by virtue of his affiliation with legal
     counsel of the Fund.
 (1) Also a director or trustee of American Capital Comstock Fund, Inc., American Capital
     Corporate Bond Fund, Inc., American Capital Emerging Growth Fund, Inc., American Capital
     Enterprise Fund, Inc., American Capital Equity Income Fund, Inc., American Capital
     Federal Mortgage Trust, American Capital Global Managed Assets Fund, Inc., American
     Capital Government Securities, Inc., American Capital Government Target Series, American
     Capital Growth and Income Fund, Inc., American Capital High Yield Investments, Inc.,
     American Capital Life Investment Trust, American Capital Municipal Bond Fund, Inc.,
     American Capital Pace Fund, Inc., American Capital Reserve Fund, Inc., American Capital
     Small Capitalization Fund, Inc., American Capital Tax-Exempt Trust, American Capital
     Texas Municipal Securities, Inc., American Capital U.S. Government Trust for Income,
     American Capital Utilities Income Fund, Inc. and American Capital World Portfolio
     Series, Inc.
 (2) A director/trustee/managing general partner of American Capital Bond Fund, Inc.,
     American Capital Convertible Securities, Inc. and American Capital Income Trust,
     American Capital Exchange Fund, investment companies advised by the Adviser, and a
     trustee of Common Sense Trust, an open-end investment company which the Adviser serves
     as adviser for nine of the portfolios.
 (3) A director of Source Capital, Inc., a closed-end investment company not advised by the
     Adviser.
 (4) An officer and/or director/trustee of other investment companies advised or subadvised
     by the Adviser.
</TABLE>
 
                                       12
<PAGE>   55
 
<TABLE>
<C>  <S>
 (5) A director of FPA Capital Fund, Inc., FPA New Income, Inc., and FPA Perennial Fund,
     Inc., investment companies not advised by the Adviser and TCW Convertible Securities
     Fund, Inc., a closed-end investment company not advised by the Adviser.
</TABLE>
 
     The Executive Committee, consisting of Messrs. Hilsman, Powell, Sheehan and
Sisto may act for the Board of Directors between Board meetings except where
board action is required by law.
 
     The directors and officers of the Fund as a group own less than one percent
of the outstanding shares of the Fund. During the last fiscal year, the
Directors who were not affiliated with the Adviser or its parent received as a
group $18,928 in directors' fees from the Fund in addition to certain
out-of-pocket expenses. Such directors also received compensation for serving as
directors or trustees of other investment companies advised by the Adviser as
identified in the notes to the foregoing table. For legal services rendered
during the fiscal year, the Fund paid legal fees of $8,855 to the law firm of
O'Melveny & Myers, of which Mr. Sheehan is Of Counsel. The firm also serves as
legal counsel to the American Capital funds listed in Footnote 1 above.
 
     Additional information regarding compensation paid by the Fund and the
related mutual funds for which the Directors serve as directors or trustees
noted in Footnote 1 above. The compensation shown for the Fund and the total
compensation shown for the Fund and other related mutual funds are for the year
ended December 31, 1994, is set forth below. Mr. Powell is not compensated for
his service as Director because of his affiliation with the Adviser.
 
                               COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                                                              TOTAL
                                                                       PENSION OR         COMPENSATION
                                                    AGGREGATE          RETIREMENT        FROM REGISTRANT
                                                   COMPENSATION     BENEFITS ACCRUED        AND FUND
                                                       FROM         AS PART OF FUND      COMPLEX PAID TO
                 NAME OF PERSONS                    REGISTRANT          EXPENSES         DIRECTORS(1)(5)
- -------------------------------------------------  ------------     ----------------     ---------------
<S>                                                <C>              <C>                  <C>
J. Miles Branagan................................     $2,410           -0-                   $64,000
Dr. Richard E. Caruso(2)(3)......................      2,415           -0-                    64,000
Dr. Roger Hilsman................................      2,485           -0-                    66,000
David Rees(3)....................................      2,410           -0-                    64,000
Lawrence J. Sheehan..............................      2,525           -0-                    67,000
Dr. Fernando Sisto(2)(3).........................      3,095           -0-                    82,000
William S. Woodside(4)...........................      2,050           -0-                    54,000
</TABLE>
 
- ---------------
 
(1) Represents 29 investment company portfolios in the fund complex.
 
(2) Amount reflects deferred compensation of $2,335 for Dr. Caruso and $1,595
    for Dr. Sisto.
 
(3) The cumulative deferred compensation paid by the Fund is as follows: Dr.
    Caruso, $6,508; Mr. Rees, $21,181; and Dr. Sisto, $8,838.
 
(4) Prior to October 6, 1994, Mr. Woodside's compensation was paid by the
    Adviser. As a result, of the amounts reflected in the second and fourth
    columns, $610 and $17,000, respectively, were paid by the registrant or the
    registrant and the fund complex, as the case may be.
 
(5) Includes the following amounts for which the various funds were reimbursed
    by the Adviser -- Branagan, $2,000; Caruso, $2,000; Hilsman, $1,000; Rees,
    $2,000; Sheehan, $2,000; Sisto, $2,000; Woodside $1,000 (Mr. Woodside was
    paid $36,000 directly by the Adviser as discussed in footnote 4 above).
 
INVESTMENT ADVISORY AGREEMENT
 
     The Fund and the Adviser are parties to an investment advisory agreement,
dated December 20, 1994 (the "Advisory Agreement"). Under the Advisory
Agreement, the Fund retains the Adviser to manage the investment of its assets
and to place orders for the purchase and sale of its portfolio securities. The
Adviser is responsible for obtaining and evaluating economic, statistical, and
financial data and for formulating and
 
                                       13
<PAGE>   56
 
implementing investment programs in furtherance of the Fund's investment
objective. The Adviser also furnishes at no cost to the Fund (except as noted
herein) the services of sufficient executive and clerical personnel for the Fund
as are necessary to prepare registration statements, prospectuses, shareholder
reports, and notices and proxy solicitation materials. In addition, the Adviser
furnishes at no cost to the Fund the services of a President of the Fund, one or
more Vice Presidents as needed, and a Secretary.
 
     Under the Advisory Agreement, the Fund bears the cost of its accounting
services, which includes maintaining its financial books and records and
calculating its daily net asset value. The costs of such accounting services
include the salaries and overhead expenses of a Treasurer or other principal
financial officer and the personnel operating under his direction. Charges are
allocated among the investment companies advised or subadvised by the Adviser. A
portion of these amounts were paid to the Adviser or its parent in reimbursement
of personnel, office space facilities and equipment costs attributable to the
provision of accounting services to the Fund. The services provided by the
Adviser are at cost. The Fund also pays shareholder service agency fees,
distribution fees, service fees, custodian fees, legal and auditing fees, the
costs of reports to shareholders and all other ordinary expenses not
specifically assumed by the Adviser.
 
     Under the Advisory Agreement, the Fund pays to the Adviser as compensation
for the services rendered, facilities furnished, and expenses paid by it a fee
payable monthly computed on average daily net assets of the Fund at an annual
rate of: 0.55% on the first $350 million average net assets; 0.50% on the next
$350 million of average net assets; 0.45% on the next $350 million of average
net assets; and 0.40% on the excess over $1.05 billion of average net assets.
 
     The average net asset value for purposes of computing the advisory fee is
determined by taking the average of all of the determinations of net asset value
for each business day during a given calendar month. Such fee is payable for
each calendar month as soon as practicable after the end of that month. The fee
payable to the Adviser is reduced by any commissions, tender solicitation and
other fees, brokerage or similar payments received by the Adviser or any other
direct or indirect majority owned subsidiary of VK/AC Holding, Inc., in
connection with the purchase and sale of portfolio investments of the Fund, less
any direct expenses incurred by such subsidiary of VK/AC Holding, Inc. in
connection with obtaining such payments. The Adviser agrees to use its best
efforts to recapture tender solicitation fees and exchange offer fees for the
Fund's benefit, and to advise the Board of Directors of the Fund of any other
commissions, fees, brokerage or similar payments which may be possible under
applicable laws for the Adviser or any other direct or indirect majority owned
subsidiary of VK/AC Holding, Inc., to receive in connection with the Fund's
portfolio transactions or other arrangements which may benefit the Fund.
 
     The Advisory Agreement also provides that, in the event the ordinary
business expenses of the Fund for any fiscal year exceed the most restrictive
expense limitation applicable in the states where the Fund's shares are
qualified for sale, the compensation due the Adviser for such fiscal year shall
be reduced by the amount of such excess and that, if a reduction in and refund
of the advisory fee is insufficient, the Adviser will pay the Fund monthly an
amount sufficient to make up the deficiency, subject to readjustment during the
year. Ordinary business expenses include the investment advisory fee and other
operating costs paid by the Fund except (1) interest and taxes, (2) brokerage
commissions, (3) certain litigation and indemnification expenses as described in
the Advisory Agreement and (4) payments made by the Fund pursuant to the
distribution plans (described herein). The Advisory Agreement also provides that
the Adviser shall not be liable to the Fund for any actions or omissions if it
acted in good faith without negligence or misconduct.
 
     The Advisory Agreement may be continued from year to year if specifically
approved at least annually (a)(i) by the Fund's Board of Directors or (ii) by
vote of a majority of the Fund's outstanding voting securities and (b) by the
affirmative vote of a majority of the Directors who are not parties to the
agreement or interested persons of any such party by votes cast in person at a
meeting called for such purpose. The Advisory Agreement provides that it shall
terminate automatically if assigned and that it may be terminated without
penalty by either party on not more than 60 days' nor less than 30 days' written
notice.
 
     During the fiscal years ended December 31, 1992, 1993 and 1994, the Adviser
received $1,945,285, $2,471,555 and $2,547,927, respectively, in advisory fees
from the Fund. For such periods the Fund paid $82,314, $118,584 and $100,119,
respectively, for accounting services. A substantial portion of these amounts
 
                                       14
<PAGE>   57
 
was paid to the Adviser in reimbursement of personnel, facilities and equipment
costs attributable to the provision of accounting services to the Fund.
 
DISTRIBUTOR
 
     American Capital Marketing, Inc. (the "Distributor"), acts as the principal
underwriter of the Fund's shares pursuant to a written agreement, dated December
20, 1994 (the "Underwriting Agreement"). The Distributor has the exclusive right
to distribute shares of the Fund through affiliated and unaffiliated dealers.
The Distributor's obligation is an agency or "best efforts" arrangement under
which the Distributor is required to take and pay for only such shares of the
Fund as may be sold to the public. The Distributor is not obligated to sell any
stated number of shares. The Distributor bears the cost of printing (but not
typesetting) prospectuses used in connection with this offering and the cost and
expense of supplemental sales literature, promotion and advertising. The
Underwriting Agreement is renewable from year to year if approved (a) by the
Fund's Board of Directors or by a vote of a majority of the Fund's outstanding
voting securities and (b) by the affirmative vote of a majority of Directors who
are not parties to the Underwriting Agreement or interested persons of any
party, by votes cast in person at a meeting called for such purpose. The
Agreement provides that it will terminate if assigned, and that it may be
terminated without penalty by either party on 60 days' written notice. During
the fiscal years ended December 31, 1992, 1993 and 1994, total underwriting
commissions on the sale of shares of the Fund were $937,872, $1,025,331 and
$672,812, respectively. Of such totals, the amount retained by the Distributor
was $121,542, $138,523 and $83,923, respectively. The remainder was reallowed to
dealers. Of such dealer reallowances, $217,866, $157,705 and $107,787,
respectively, was received by Advantage Capital Corporation, an affiliated
dealer of the Distributor.
 
DISTRIBUTION PLANS
 
     The Fund adopted a Class A distribution plan, a Class B distribution plan
and a Class C distribution plan (the "Class A Plan," "Class B Plan" or "Class C
Plan," respectively) to permit the Fund directly or indirectly to pay expenses
associated with servicing shareholders and in the case of the Class B Plan and
Class C Plan the distribution of its shares (the Class A Plan, the Class B Plan
and the Class C Plan are sometimes referred to herein collectively as "Plans"
and individually as a "Plan").
 
     The Directors have authorized payments by the Fund under the Plans to
reimburse the Distributor for its payments to certain financial institutions
(which may include banks), securities dealers and other industry professionals
(collectively, "Service Organizations") for administration, for servicing Fund
shareholders who are also their clients and/or for distribution. Such payments
are based on an annual percentage of the value of Fund shares held in
shareholder accounts for which such Service Organizations are responsible. With
respect to the Class A Plan, the Distributor intends to make payments thereunder
only to compensate Service Organizations for personal service and/or the
maintenance of shareholder accounts. With respect to the Class B and Class C
Plans, authorized payments by the Fund include payments at an annual rate of up
to 0.25% of the net assets of the shares of the respective class to reimburse
the Distributor for payments for personal service and/or the maintenance of
shareholder accounts. With respect to the Class B Plan, authorized payments by
the Fund also include payments at an annual rate of 0.75% of the net assets of
the Class B shares to reimburse the Distributor for (1) commissions and
transaction fees of up to four percent of the purchase price of Class B shares
purchased by the clients of broker-dealers and other Service Organizations, (2)
out-of-pocket expenses of printing and distributing prospectuses and annual and
semi-annual shareholder reports to other than existing shareholders, (3)
out-of-pocket and overhead expenses for preparing, printing and distributing
advertising material and sales literature, (4) expenses for promotional
incentives to broker-dealers and financial and industry professionals, and (5)
advertising and promotion expenses, including conducting and organizing sales
seminars, marketing support salaries and bonuses, and travel-related expenses.
With respect to the Class C Plan, authorized payments by the Fund also include
payments at an annual rate of up to 0.75% of the net assets of the Class C
shares to reimburse the Distributor for (1) upfront commissions and transaction
fees of up to 0.75% of the purchase price of Class C shares purchased by the
clients of broker-dealers and other Service Organizations and ongoing
commissions and transaction fees paid to broker-dealers and other Service
Organizations in an amount up to 0.75% of the average daily net assets of the
Fund's Class
 
                                       15
<PAGE>   58
 
C shares, (2) out-of-pocket expenses of printing and distributing prospectuses
and annual and semi-annual shareholder reports to other than existing
shareholders, (3) out-of-pocket and overhead expenses for preparing, printing
and distributing advertising material and sales literature, (4) expenses for
promotional incentives to broker-dealers and financial and industry
professionals, and (5) advertising and promotion expenses, including seminars,
marketing support salaries and bonuses, and travel-related expenses. Such
reimbursements are subject to the maximum sales charge limits specified by the
National Association of Securities Dealers, Inc. for asset-based charges.
 
     Banks are currently prohibited under the Glass-Steagall Act from providing
certain underwriting or distribution services. If banking firms were prohibited
from acting in any capacity or providing any of the described services, the
Distributor would consider what action, if any, would be appropriate. The
Distributor does not believe that termination of a relationship with a bank
would result in any material adverse consequences to the Fund. In addition,
state securities laws on this issue may differ from the interpretations of
federal law expressed herein and banks and financial institutions may be
required to register as dealers pursuant to state law.
 
     As required by Rule 12b-1 under the 1940 Act, each Plan and the form of
servicing agreements were approved by the Directors, including a majority of the
Directors who are not affiliated persons (as defined in the 1940 Act) of the
Fund and who have no direct or indirect financial interest in the operation of
any of the Plans or in any agreements related to each Plan ("Independent
Directors"). In approving each Plan in accordance with the requirements of Rule
12b-1, the Directors determined that there is a reasonable likelihood that each
Plan will benefit the Fund and its shareholders.
 
     Each Plan requires the Distributor to provide the Directors at least
quarterly with a written report of the amounts expended pursuant to each Plan
and the purposes for which such expenditures were made. Unless sooner terminated
in accordance with its terms, the Plans will continue in effect for a period of
one year and thereafter will continue in effect so long as such continuance is
specifically approved at least annually by the Directors, including a majority
of Independent Directors.
 
     Each Plan may be terminated by vote of a majority of the Independent
Directors, or by vote of a majority of the outstanding voting shares of the
respective class. Any change in any of the Plans that would materially increase
the distribution or service expenses borne by the Fund requires shareholder
approval, voting separately by class; otherwise, it may be amended by a majority
of the Directors, including a majority of the Independent Directors, by vote
cast in person at a meeting called for the purpose of voting upon such
amendment. So long as the Plans are in effect, the selection or nomination of
the Independent Directors is committed to the discretion of the Independent
Directors.
 
     For the fiscal year ended December 31, 1994, the Fund's aggregate expenses
under the Class A Plan were $834,614 or 0.21% of the Class A shares' average net
assets. Such expenses were paid to reimburse the Distributor for payments made
to Service Organizations for servicing Fund shareholders and for administering
the Class A Plan. For the fiscal year ended December 31, 1994, the Fund's
aggregate expenses under the Class B Plan were $696,897 or 1.00% of the Class B
shares' average net assets. Such expenses were paid to reimburse the Distributor
for the following payments: $522,673 for commissions and transaction fees paid
to broker-dealers and other Service Organizations in respect of sales of Class B
shares of the Fund and $174,224 for fees paid to Service Organizations for
servicing Class B shareholders and administering the Class B Plan. For the
fiscal year ended December 31, 1994, the Fund's aggregate expenses under the
Class C Plan were $28,033 or 1.00% of the Class C shares' average net assets.
Such expenses were paid to reimburse the Distributor for the following payments:
$21,025 for commissions and transaction fees paid to broker-dealers and other
Service Organizations in respect of sales of Class C shares of the Fund and
$7,008 for fees paid to Service Organizations for servicing Class C shareholders
and administering the Class C Plan.
 
TRANSFER AGENT
 
     During the fiscal year ended December 31, 1994, ACCESS, shareholder service
agent and dividend disbursing agent for the Fund, received fees aggregating
$841,263 for these services. These services are provided at cost plus a profit.
 
                                       16
<PAGE>   59
 
PORTFOLIO TURNOVER
 
   
     The Fund's annual portfolio turnover rate is shown in the table of
Financial Highlights in the Prospectus. The portfolio turnover rate is
calculated by dividing the lesser of purchases or sales of portfolio securities
for a fiscal year by the average monthly value of the portfolio securities
during such fiscal year. Securities maturing in one year or less at the time of
acquisition are not included in this computation. The portfolio turnover rate
may vary greatly from year to year and within a year. Greater portfolio activity
increases the Fund's transaction costs, including brokerage commissions. To the
extent turnover results in realization of gains on securities held less than six
months, shareholders are subject to taxes at ordinary income rates.
    
 
PORTFOLIO TRANSACTIONS AND BROKERAGE
 
     The Adviser is responsible for decisions to buy and sell securities for the
Fund and for the placement of its portfolio business and the negotiation of the
commissions, if any, on such transactions. It is the policy of the Adviser to
seek the best security price available with respect to each transaction. In
over-the-counter transactions, orders are placed directly with a principal
market maker unless it is believed that a better price and execution can be
obtained by using a broker. Except to the extent that the Fund may pay higher
brokerage commissions for brokerage and research services, as described below,
on a portion of its transactions executed on securities exchanges, the Adviser
seeks the best security price at the most favorable commission rate. In
selecting broker-dealers and in negotiating commissions, the Adviser considers
the firm's reliability, the quality of its execution services on a continuing
basis and its financial condition. When more than one firm is believed to meet
these criteria, preference may be given to firms which also provide research
services to the Fund or the Adviser. Consistent with the Rules of Fair Practice
of the National Association of Securities Dealers, Inc. and subject to seeking
best execution and such other policies as the Board of Directors may determine,
the Adviser may consider sales of shares of the Fund and of the other American
Capital mutual funds as a factor in the selection of firms to execute portfolio
transactions for the Fund.
 
     Section 28(e) of the Securities Exchange Act of 1934 ("Section 28(e)")
permits an investment adviser, under certain circumstances, to cause an account
to pay a broker or dealer who supplies brokerage and research services, a
commission for effecting a securities transaction in excess of the amount of
commission another broker or dealer would have charged for effecting the
transaction. Brokerage and research services include (a) furnishing advice as to
the value of securities, the advisability of investing in, purchasing or selling
securities, and the availability of securities or purchasers or sellers of
securities, (b) furnishing analyses and reports concerning issuers, industries,
securities, economic factors and trends, portfolio strategy, and the performance
of accounts, and (c) effecting securities transactions and performing functions
incidental thereto (such as clearance, settlement and custody).
 
     Pursuant to provisions of the investment advisory agreement, the Fund's
Board of Directors has authorized the Adviser to cause the Fund to incur
brokerage commissions in an amount higher than the lowest available rate in
return for research services provided to the Adviser. The Adviser is of the
opinion that the continued receipt of supplemental investment research services
from dealers is essential to its provision of high quality portfolio management
services to the Fund. The Adviser undertakes that such higher commissions will
not be paid by the Fund unless (a) the Adviser determines in good faith that the
amount is reasonable in relation to the services in terms of the particular
transaction or in terms of the Adviser's overall responsibilities with respect
to the accounts as to which it exercises investment discretion, (b) such payment
is made in compliance with the provisions of Section 28(e) and other applicable
state and federal laws, and (c) in the opinion of the Adviser, the total
commissions paid by the Fund are reasonable in relation to the expected benefits
to the Fund over the long term. The investment advisory fee paid by the Fund
under the investment advisory agreement is not reduced as a result of the
Adviser's receipt of research services.
 
     The Adviser places portfolio transactions for other advisory accounts
including other investment companies. Research services furnished by firms
through which the Fund effects its securities transactions may be used by the
Adviser in servicing all of its accounts; not all of such services may be used
by the Adviser in connection with the Fund. In the opinion of the Adviser, the
benefits from research services to each of the accounts, including the Fund,
managed by the Adviser cannot be measured separately. Because the volume
 
                                       17
<PAGE>   60
 
and nature of the trading activities of the accounts are not uniform, the amount
of commissions in excess of the lowest available rate paid by each account for
brokerage and research services will vary. However, in the opinion of the
Adviser, such costs to the Fund will not be disproportionate to the benefits
received by the Fund on a continuing basis.
 
     The Adviser seeks to allocate portfolio transactions equitably whenever
concurrent decisions are made to purchase or sell securities by the Fund and
another advisory account. In some cases, this procedure could have an adverse
effect on the price or the amount of securities available to the Fund. In making
such allocations among the Fund and other advisory accounts, the main factors
considered by the Adviser are the respective investment objectives, the relative
size of portfolio holdings of the same or comparable securities, the
availability of cash for investment, the size of investment commitments
generally held, and opinions of the persons responsible for recommending the
investment.
 
     The Adviser's brokerage practices are monitored on a quarterly basis by the
Brokerage Review Committee comprised of Fund Directors who are not affiliated
persons.
 
     Brokerage commissions paid by the Fund on portfolio transactions for the
fiscal years ended December 31, 1992, 1993 and 1994 totalled $285,160, $672,660
and $800,001, respectively. During the year ended December 31, 1994, the Fund
paid $353,147 in brokerage commissions on transactions totalling $211,784,616 to
brokers selected primarily on the basis of research services provided to the
Adviser.
 
     Prior to December 20, 1994 the Fund placed brokerage transactions with
brokers that were considered affiliated persons of the Adviser's former parent,
The Travelers Inc. Such affiliated persons included Smith Barney Inc. ("Smith
Barney") and Robinson Humphrey, Inc. ("Robinson Humphrey"). Effective December
20, 1994, Smith Barney and Robinson Humphrey ceased to be affiliates of the
Adviser. In addition, from 1985 through September 30, 1992, Jefferies & Company,
Inc. ("Jefferies") was an affiliate of The Travelers Inc. The negotiated
commission paid to an affiliated broker on any transaction would be comparable
to that payable to a non-affiliated broker in a similar transaction.
 
     The Fund paid the following commissions to these brokers during the periods
shown:
 
<TABLE>
<CAPTION>
                                                                                        SMITH
                                                                          ROBINSON      BARNEY
                                                            JEFFERIES     HUMPHREY     SHEARSON
                                                            ---------     --------     --------
    <S>                                                     <C>           <C>          <C>
    Commissions Paid:
      Fiscal 1992                                            $    28           --      $  2,142
      Fiscal 1993                                                 --           --      $ 20,041
      Fiscal 1994                                                 --        2,975        56,373
    Fiscal 1994 Percentages:
      Commissions with affiliates to total commissions            --         0.37%         7.05%
      Value of transactions with affiliates to total              --         0.60%         9.77%
         transactions
</TABLE>
 
DETERMINATION OF NET ASSET VALUE
 
     The net asset value per share is determined as of the close of the New York
Stock Exchange (the "Exchange") (currently 4:00 p.m., New York time) on each
business day on which the Exchange is open. The Exchange is currently closed on
weekends and on the following holidays: New Year's Day, Presidents' Day, Good
Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and
Christmas Day.
 
     Such computation is made by using prices as of the close of trading on the
Exchange and (i) valuing securities traded on a national securities exchange at
the last reported sale price, or if there has been no sale that day, at the last
reported bid quotations (except options for which the last sale price is not
available are valued at the mean between the bid and asked prices), (ii) valuing
over-the-counter securities for which the last sale price is available from the
National Association of Securities Dealers Automated Quotations ("NASDAQ") at
that price, (iii) valuing all other over-the-counter securities for which market
quotations are available at the most recently quoted bid price supplied by
NASDAQ or broker-dealers (except unlisted convertible securities, which are
valued at the higher of their bid price or the value of the securities issuable
 
                                       18
<PAGE>   61
 
upon conversion), and (iv) valuing any securities for which market quotations
are not readily available, and any other assets, at fair value as determined in
good faith by the Board of Directors of the Fund. Short-term investments are
valued in the manner described in the notes to the financial statements included
in this Statement of Additional Information.
 
     The assets belonging to the Class A shares, the Class B shares and the
Class C shares will be invested together in a single portfolio. The net asset
value of each class will be determined separately by subtracting the expenses
and liabilities allocated to that class from the assets belonging to that class
pursuant to an order issued by the Securities and Exchange Commission ("SEC").
 
PURCHASE AND REDEMPTION OF SHARES
 
     The following information supplements that set forth in the Fund's
Prospectus under the heading "Purchase of Shares."
 
PURCHASE OF SHARES
 
     Shares of the Fund are sold in a continuous offering and may be purchased
on any business day through authorized dealers, including Advantage Capital
Corporation.
 
MULTIPLE PRICING SYSTEM
 
     The Fund issues three classes of shares: Class A shares are subject to an
initial sales charge; Class B shares and Class C shares are sold at net asset
value and are subject to a contingent deferred sales charge. The three classes
of shares each represent interests in the same portfolio of investments of the
Fund, have the same rights and are identical in all respects, except that Class
B and Class C shares bear the expenses of the deferred sales arrangements,
distribution fees, and any expenses (including higher transfer agency costs)
resulting from such sales arrangements, and have exclusive voting rights with
respect to the Rule 12b-1 distribution plan pursuant to which the distribution
fee is paid.
 
     During special promotions, the entire sales charge on Class A shares may be
reallowed to dealers, and at such times dealers may be deemed to be underwriters
for purposes of the Securities Act of 1933.
 
INVESTMENTS BY MAIL
 
     A shareholder investment account may be opened by completing the
application included in the Prospectus and forwarding the application, through
the designated dealer, to ACCESS, at P.O. Box 419319, Kansas City, Missouri
64141-6319. The account is opened only upon acceptance of the application by
ACCESS. The minimum initial investment of $500 or more, in the form of a check
payable to the Fund, must accompany the application. This minimum may be waived
by the Distributor for plans involving continuing investments. Subsequent
investments of $25 or more may be mailed directly to ACCESS. All such
investments are made at the public offering price of Fund shares next computed
following receipt of payment by ACCESS. Confirmations of the opening of an
account and of all subsequent transactions in the account are forwarded by
ACCESS to the investor's dealer of record, unless another dealer is designated.
 
     In processing applications and investments, ACCESS acts as agent for the
investor and for the dealer named thereon, and also as agent for the
Distributor, in accordance with the terms of the Prospectus. If ACCESS ceases to
act as such, a successor company named by the Fund will act in the same
capacities so long as the account remains open.
 
CUMULATIVE PURCHASE DISCOUNT
 
     The reduced sales charges reflected in the sales charge table as shown in
the Prospectus under "Sales Charge Table" apply to purchases of Class A shares
of the Fund shares where the aggregate investment is $50,000 or more. For
purposes of determining eligibility for volume discounts, spouses and their
minor children are treated as a single purchaser, as is a trustee or other
fiduciary purchasing for a single fiduciary account. An aggregate investment
includes all shares of the Fund and all shares of certain other participating
 
                                       19
<PAGE>   62
 
American Capital mutual funds described in the Prospectus (the "Participating
Funds"), which have been previously purchased and are still owned, plus the
shares being purchased. The current offering price is used to determine the
value of all such shares. If, for example, an investor has previously purchased
and still holds Class A shares of the Fund and shares of other Participating
Funds having a current offering price of $25,000 and that person purchases
$30,000 of additional Class A shares of the Fund, the sales charge applicable to
the $30,000 purchase would be 4.75% of the offering price. The same reduction is
applicable to purchases under a Statement of Intention as described in the next
paragraph. THE DEALER MUST NOTIFY THE DISTRIBUTOR AT THE TIME AN ORDER IS PLACED
FOR A PURCHASE WHICH WOULD QUALIFY FOR THE REDUCED CHARGE ON THE BASIS OF
PREVIOUS PURCHASES. SIMILAR NOTIFICATION MUST BE MADE IN WRITING WHEN SUCH AN
ORDER IS PLACED BY MAIL. The reduced sales charge will not be applied if such
notification is not furnished at the time of the order. The reduced sales charge
will also not be applied should a review of the records of the Distributor or
ACCESS fail to confirm the representations concerning the investor's holdings.
 
LETTER OF INTENT
 
     Purchases of Class A shares of the Participating Funds described above
under "Cumulative Purchase Discount" made pursuant to the Letter of Intent and
the value of all shares of such funds previously purchased and still owned are
also included in determining the applicable quantity discount. A Letter of
Intent permits an investor to establish a total investment goal to be achieved
by any number of investments over a 13-month period. Each investment made during
the period will receive the reduced sales charge applicable to the amount
represented by the goal as if it were a single investment. Escrowed shares
totalling five percent of the dollar amount of the Letter of Intent are held by
ACCESS in the name of the shareholder. A Letter of Intent may be back-dated up
to 90 days in order that any investments made during this 90-day period, valued
at the investor's cost, can become subject to the Letter of Intent. The Letter
of Intent does not obligate the investor to purchase the indicated amount. In
the event the Letter of Intent goal is not achieved within the 13-month period,
the investor is required to pay the difference between sales charges otherwise
applicable to the purchases made during this period and sales charges actually
paid. Such payment may be made directly to the Distributor or, if not paid, the
Distributor will liquidate sufficient escrowed shares to obtain such difference.
If the goal is exceeded in an amount which qualifies for a lower sales charge, a
price adjustment is made by refunding to the investor in shares of the Fund, the
amount of excess sales charges, if any, paid during the 13-month period.
 
VOLUME DISCOUNTS
 
     The schedule of volume discounts in the Prospectus applies to purchases of
shares made at one time by any purchaser, which term includes (1) an
individual -- or an individual, his or her spouse and children under the age of
21 -- purchasing securities for his or her or their own account; (2) a trustee
or other fiduciary of a single trust estate or a single fiduciary account
(including a pension, profit-sharing or other employee benefit trust created
pursuant to a plan qualified under Section 401 of the Internal Revenue Code (the
"Code")), although more than one beneficiary is involved; and (3) tax-exempt
organizations enumerated in Section 501(c)(3) or (13) of the Code.
 
CONTINGENT DEFERRED SALES CHARGE -- CLASS A
 
     For certain full service participant directed profit sharing and money
purchase plans and qualified 401(k) retirement plans and for investments in the
amount of $1,000,000 or more of Class A shares of the Fund ("Qualified
Purchaser"), the front-end sales charge will be waived and a contingent deferred
sales charge ("CDSC -- Class A") of one percent is imposed in the event of
certain redemptions within one year of the purchase. If a CDSC -- Class A is
imposed upon redemption, the amount of the CDSC -- Class A will be equal to the
lesser of one percent of the net asset value of the shares at the time of
purchase, or one percent of the net asset value of the shares at the time of
redemption.
 
     The CDSC -- Class A will only be imposed if a Qualified Purchaser redeems
an amount which causes the value of the account to fall below the total dollar
amount of purchase payments made by the Qualified Purchaser without an initial
sales charge during the one year period prior to the redemption. The CDSC --
 
                                       20
<PAGE>   63
 
Class A will be waived in connection with redemptions by certain Qualified
Purchasers (e.g., in retirement plan qualified under Section 401(a) of the Code
and deferred compensation plans under Section 457 of the Code) required to
obtain funds to pay distributions to beneficiaries pursuant to the terms of the
plans. Such payments include, but are not limited to, death, disability,
retirement, or separation from service. No CDSC -- Class A will be imposed on
exchanges between funds. For purposes of the CDSC -- Class A, when shares of one
fund are exchanged for shares of another fund, the purchase date for the shares
of the fund exchanged into will be assumed to be the date on which shares were
purchased in the fund from which the exchange was made. If the exchanged shares
themselves are acquired through an exchange, the purchase date is assumed to
carry over from the date of the original election to purchase shares subject to
a CDSC -- Class A rather than a front-end load sales charge. In determining
whether a CDSC -- Class A is payable, it is assumed that shares held the longest
are the first to be redeemed.
 
     Cumulative Purchase Discounts and Letters of Intent apply to the net asset
value privilege. Also, in order to establish an amount of $1,000,000 or more, a
Qualified Purchaser may aggregate shares of American Capital Reserve Fund, Inc.
with shares of certain other participating American Capital Funds described as
"Participating Funds" in the Prospectus.
 
     As described in the Prospectus under "Redemption of Shares," redemptions of
Class B and Class C shares will be subject to a contingent deferred sales
charge.
 
WAIVER OF CLASS B AND CLASS C CONTINGENT DEFERRED SALES CHARGE ("CDSC -- CLASS B
AND C")
 
     The CDSC -- Class B and C may be waived on redemptions of Class B and Class
C shares in the circumstances described below:
 
     (a) Redemption Upon Disability or Death
 
     The Fund will waive the CDSC -- Class B and C on redemptions following the
death or disability of a Class B and Class C shareholder. An individual will be
considered disabled for this purpose if he or she meets the definition thereof
in Section 72(m)(7) of the Internal Revenue Code (the "Code"), which in
pertinent part defines a person as disabled if such person "is unable to engage
in any substantial gainful activity by reason of any medically determinable
physical or mental impairment which can be expected to result in death or to be
of long-continued and indefinite duration." While the Fund does not specifically
adopt the balance of the Code's definition which pertains to furnishing the
Secretary of Treasury with such proof as he or she may require, the Distributor
will require satisfactory proof of death or disability before it determines to
waive the CDSC -- Class B and C.
 
     In cases of disability or death, the CDSC -- Class B and C will be waived
where the decedent or disabled person is either an individual shareholder or
owns the shares as a joint tenant with right of survivorship or is the
beneficial owner of a custodial or fiduciary account, and where the redemption
is made within one year of the death or initial determination of disability.
This waiver of the CDSC -- Class B and C applies to a total or partial
redemption, but only to redemptions of shares held at the time of the death or
initial determination of disability.
 
     (b)Redemption in Connection with Certain Distributions from Retirement
        Plans
 
     The Fund will waive the CDSC -- Class B and C when a total or partial
redemption is made in connection with certain distributions from Retirement
Plans. The charge will be waived upon the tax-free rollover or transfer of
assets to another Retirement Plan invested in one or more of American Capital
funds; in such event, as described below, the Fund will "tack" the period for
which the original shares were held onto the holding period of the shares
acquired in the transfer or rollover for purposes of determining what, if any,
CDSC -- Class B and C is applicable in the event that such acquired shares are
redeemed following the transfer or rollover. The charge will be waived on any
redemption which results from the return of an excess contribution pursuant to
Section 408(d)(4) or (5) of the Code, the return of excess deferral amounts
pursuant to Code Section 401(k)(8) or 402(g)(2), or from the death or disability
of the employee (see Code Section 72(m)(7) and 72(t)(2)(A)(ii)). In addition,
the charge will be waived on any minimum distribution required to be distributed
in accordance with Code Section 401(a)(9).
 
                                       21
<PAGE>   64
 
     The Fund does not intend to waive the CDSC -- Class B and C for any
distributions from IRAs or other Retirement Plans not specifically described
above.
 
     (c) Redemption Pursuant to a Fund's Systematic Withdrawal Plan
 
     A shareholder may elect to participate in a systematic withdrawal plan (the
"Plan") with respect to the shareholder's investment in the Fund. Under the
Plan, a dollar amount of a participating shareholder's investment in the Fund
will be redeemed systematically by the Fund on a periodic basis, and the
proceeds mailed to the shareholder. The amount to be redeemed and frequency of
the systematic withdrawals will be specified by the shareholder upon his or her
election to participate in the Plan. The CDSC -- Class B and C will be waived on
redemptions made under the Plan.
 
     The amount of the shareholder's investment in a Fund at the time the
election to participate in the Plan is made with respect to the Fund is
hereinafter referred to as the "initial account balance." The amount to be
systematically redeemed from such Fund without the imposition of a CDSC -- Class
B and C may not exceed a maximum of 12% annually of the shareholder's initial
account balance. The Fund reserves the right to change the terms and conditions
of the Plan and the ability to offer the Plan.
 
     (d)Involuntary Redemptions of Shares in Accounts that Do Not Have the
        Required Minimum Balance
 
     The Fund reserves the right to redeem shareholder accounts with balances of
less than a specified dollar amount as set forth in the Prospectus. Prior to
such redemptions, shareholders will be notified in writing and allowed a
specified period of time to purchase additional shares to bring the account up
to the required minimum balance. The Fund will waive the CDSC -- Class B and
Class C upon such involuntary redemption.
 
     (e)Reinvestment of Redemption Proceeds in Shares of the Same Fund Within
        120 Days After Redemption
 
     A shareholder who has redeemed Class C shares of a Fund may reinvest, with
credit for any CDSC -- Class C paid on the redeemed shares, any portion or all
of his or her redemption proceeds (plus that amount necessary to acquire a
fractional share to round off his or her purchase to the nearest full share) in
shares of the Fund, provided that the reinvestment is effected within 120 days
after such redemption and the shareholder has not previously exercised this
reinvestment privilege with respect to Class C shares of the Fund. Shares
acquired in this manner will be deemed to have the original cost and purchase
date of the redeemed shares for purposes of applying the CDSC -- Class C to
subsequent redemptions.
 
     (f) Redemption by Adviser
 
     The Fund may waive the CDSC -- Class B and C when a total or partial
redemption is made by the Adviser with respect to its investments in the Fund.
 
REDEMPTION OF SHARES
 
     Redemptions are not made on days during which the Exchange is closed,
including those holidays listed under "Determination of Net Asset Value." The
right of redemption may be suspended and the payment therefore may be postponed
for more than seven days during any period when (a) the Exchange is closed for
other than customary weekends or holidays; (b) trading on the Exchange is
restricted; (c) an emergency exists as a result of which disposal by the Fund of
securities owned by it is not reasonably practicable or it is not reasonably
practical for the Fund to fairly determine the value of its net assets; or (d)
the SEC, by order, so permits.
 
                                       22
<PAGE>   65
 
EXCHANGE PRIVILEGE
 
     The following supplements the discussion of "Shareholder
Services -- Exchange Privilege" in the Prospectus:
 
     By use of the exchange privilege, the investor authorizes ACCESS to act on
telephonic, telegraphic or written exchange instructions from any person
representing himself to be the investor or the agent of the investor and
believed by ACCESS to be genuine. VKAC and its subsidiaries, including ACCESS
(collectively, "Van Kampen American Capital"), and the Fund employ procedures
considered by them to be reasonable to confirm that instructions communicated by
telephone are genuine. Such procedures include requiring certain personal
identification information prior to acting upon telephone instructions, tape
recording telephone communications, and providing written confirmation of
instructions communicated by telephone. If reasonable procedures are employed,
neither Van Kampen American Capital nor the Fund will be liable for following
telephone instructions which it reasonably believes to be genuine. Van Kampen
American Capital and the Fund may be liable for any losses due to unauthorized
or fraudulent instructions if reasonable procedures are not followed.
 
     For purposes of determining the sales charge rate previously paid on Class
A shares, all sales charges paid on the exchanged security and on any security
previously exchanged for such security or for any of its predecessors shall be
included. If the exchanged security was acquired through reinvestment, that
security is deemed to have been sold with a sales charge rate equal to the rate
previously paid on the security on which the dividend or distribution was paid.
If a shareholder exchanges less than all of his securities, the security upon
which the highest sale charge rate was previously paid is deemed exchanged
first.
 
     Exchange requests received on a business day prior to the time shares of
the funds involved in the request are priced will be processed on the date of
receipt. "Processing" a request means that shares in the fund from which the
shareholder is withdrawing an investment will be redeemed at the net asset value
per share next determined on the date of receipt. Shares of the new fund into
which the shareholder is investing will also normally be purchased at the net
asset value per share, plus any applicable sales charge, next determined on the
date of receipt. Exchange requests received on a business day after the time
shares of the funds involved in the request are priced will be processed on the
next business day in the manner described herein.
 
     A prospectus of any of these mutual funds may be obtained from any
authorized dealer or the Distributor. An investor considering an exchange to one
of such funds should refer to the prospectus for additional information
regarding such fund.
 
DIVIDENDS, DISTRIBUTIONS AND FEDERAL TAXES
 
     The Fund's policy is to distribute substantially all of its taxable net
investment income in quarterly dividends to shareholders of Class A, Class B and
Class C shares. The per share dividends on Class B and Class C shares will be
lower than the per share dividends on Class A shares as a result of the
distribution fees and higher transfer agency fees applicable to the Class B and
Class C shares. The Fund intends to distribute to shareholders any taxable net
realized capital gains for each class at least annually. Taxable net realized
capital gains are the excess, if any, of the Fund's total profits on the sale of
securities during the year over its total losses on the sale of securities,
including capital losses carried forward from prior years in accordance with the
tax laws. All income dividends and capital gains distributions are reinvested in
shares of the Fund at net asset value without sales charge on the record date,
except that any shareholder may otherwise instruct ACCESS in writing and receive
cash. Shareholders are informed as to the sources of distributions at the time
of payment.
 
     The Fund has elected to be taxed as a regulated investment company under
Sections 851-855 of the Internal Revenue Code of 1986 (the "Code"). This means
the Fund must pay all or substantially all its taxable net investment income and
taxable net realized capital gains to shareholders of Class A, Class B and Class
C shares and meet certain diversification and other requirements. By qualifying
as a regulated investment company, the Fund is not subject to federal income
taxes to the extent it distributes its taxable net investment income and taxable
net realized capital gains. If for any taxable year the Fund does not qualify
for the special tax treatment afforded regulated investment companies, all of
its taxable income, including any net
 
                                       23
<PAGE>   66
 
realized capital gains, would be subject to tax at regular corporate rates
(without any deduction for distributions to shareholders).
 
     The Fund is subject to a four percent excise tax to the extent it fails to
distribute to its shareholders during any calendar year at least 98% of its
ordinary taxable (net investment) income for the twelve months ended December
31, plus 98% of its capital gains net income for the twelve months ended October
31 of such calendar year. The Fund intends to distribute sufficient amounts to
avoid liability for the excise tax.
 
     Dividends from net investment income and distributions from any short-term
capital gains are taxable to shareholders as ordinary income. A portion of the
dividends taxable as ordinary income qualify for the 70% dividends received
deduction for corporations. To qualify for the dividends received deduction, a
corporate shareholder must hold the shares on which the dividend is paid for
more than 45 days.
 
     Dividends and distributions declared payable to shareholders of record in
December of any year and paid before February 1 of the following year are
considered taxable income to shareholders on the record date even though paid in
the next year.
 
     Distributions from long-term capital gains are taxable to shareholders as
long-term capital gains, regardless of how long the shareholder has held Fund
shares. Such distributions and distributions from short-term capital gains are
not eligible for the dividends received deduction referred to above. Any loss on
the sale of Fund shares held for less than six months is treated as a long-term
capital loss to the extent of any long-term capital gain distribution paid on
such shares, subject to an exception for losses incurred under certain
Systematic Withdrawal Plans. All dividends and distributions are taxable to the
shareholder whether or not reinvested in shares. Shareholders are notified
annually by the Fund as to the federal tax status of dividends and distributions
paid by the Fund unless such amount is less than ten dollars, in which case no
notice is provided.
 
     If shares of the Fund are sold or exchanged within 90 days of acquisition,
and shares of the same or a related mutual fund are acquired, to the extent the
sales charge is reduced or waived on the subsequent acquisition, the sales
charge may not be used to determine the basis in the disposed shares for
purposes of determining gain or loss. To the extent the sales charge is not
allowed in determining gain or loss on the initial shares, it is capitalized on
the basis of the subsequent shares.
 
     Dividends to shareholders who are non-resident aliens may be subject to a
United States withholding tax at a rate of up to 30% under existing provisions
of the Code applicable to foreign individuals and entities unless a reduced rate
of withholding or a withholding exemption is provided under applicable treaty
laws. Non-resident shareholders are urged to consult their own tax advisers
concerning the applicability of the United States withholding tax.
 
     The foregoing is a general and abbreviated summary of the applicable
provisions of the Code and Treasury Regulations presently in effect. For the
complete provisions, reference should be made to the pertinent Code sections and
the Treasury Regulations promulgated thereunder. The Code and these Treasury
Regulations are subject to change by legislative or administrative action either
prospectively or retroactively.
 
     Dividends and capital gains distributions may also be subject to state and
local taxes.
 
     Shareholders are urged to consult their attorneys or tax advisers regarding
specific questions as to federal, state or local taxes.
 
BACK-UP WITHHOLDING
 
     The Fund is required to withhold and remit to the United States Treasury
31% of (i) reportable taxable dividends and distributions and (ii) the proceeds
of any redemptions of Fund shares with respect to any shareholder who is not
exempt from withholding and who fails to furnish the Fund with a correct
taxpayer identification number, who fails to report fully dividend or interest
income, or who fails to certify to the Fund that he has provided a correct
taxpayer identification number and that he is not subject to withholding. (An
individual's taxpayer identification number is his or her social security
number.) The 31% "back-up
 
                                       24
<PAGE>   67
 
withholding tax" is not an additional tax and may be credited against a
taxpayer's regular federal income tax liability.
 
TAX TREATMENT OF OPTIONS AND FUTURES TRANSACTIONS
 
     The Code includes special rules applicable to certain listed options
(excluding equity options as defined in the Code), futures contracts, and
options on futures contracts which the Fund may write, purchase or sell. Such
options and contracts are classified as Section 1256 contracts under the Code.
The character of gain or loss resulting from the sale, disposition, closing out,
expiration or other termination of Section 1256 contracts is generally treated
as long-term capital gain or loss to the extent of 60% thereof and short-term
capital gain or loss to the extent of 40% thereof ("60/40 gain or loss"). Such
contracts, when held by the Fund at the end of a fiscal year, generally are
required to be treated as sold at market value on the last day of such fiscal
year for federal income tax purposes ("marked-to-market"). Over-the-counter
options are not classified as Section 1256 contracts and are not subject to the
mark-to-market rule or to 60/40 gain or loss treatment. Any gains or losses
recognized by the Fund from transactions in over-the-counter options generally
constitute short-term capital gains or losses. If over-the-counter call options
written, or over-the-counter put options purchased, by the Fund are exercised,
the gain or loss realized on the sale of the underlying securities may be either
short-term or long-term, depending on the holding period of the securities. In
determining the amount of gain or loss, the sales proceeds are reduced by the
premium paid for over-the-counter puts or increased by the premium received for
over-the-counter calls.
 
     Certain of the Fund's transactions in options, futures contracts, and
options on futures contracts, particularly its hedging transactions, may
constitute "straddles" which are defined in the Code as offsetting positions
with respect to personal property. A straddle in which at least one, but not
all, of the positions are Section 1256 contracts is a "mixed straddle" under the
Code if certain identification requirements are met.
 
     The Code generally provides with respect to straddles (i) "loss deferral"
rules which may postpone recognition for tax purposes of losses from certain
closing purchase transactions or other dispositions of a position in the
straddle to the extent of unrealized gains in the offsetting position, (ii)
"wash sale" rules which may postpone recognition for tax purposes of losses
where a position is sold and a new offsetting position is acquired within a
prescribed period and (iii) "short sale" rules which may terminate the holding
period of securities owned by the Fund when offsetting positions are established
and which may convert certain losses from short-term to long-term.
 
     The Code provides that certain elections may be made for mixed straddles
that can alter the character of the capital gain or loss recognized upon
disposition of positions which form part of a straddle. Certain other elections
are also provided in the Code. No determination has been reached to make any of
these elections.
 
PRIOR PERFORMANCE INFORMATION
 
     The Fund's average annual total return, computed in the manner described in
the Prospectus, for Class A shares of the Fund for the one-year, five-year, and
ten-year periods ended December 31, 1994, was -11.79%, 5.94%, and 9.83%,
respectively. The average annual total return, computed in the manner described
in the Prospectus, for Class B shares of the Fund for the one-year, and
three-year and one-half month periods (the initial offering of Class B shares)
ended December 31, 1994 was -11.49% and 5.02%, respectively. The average annual
total return, computed in the manner described in the Prospectus, for Class C
shares of the Fund for the one-year and the fourteen-month (the initial offering
of Class C shares) period ended December 31, 1994 was -8.02% and -5.34%,
respectively. These results are based on historical earnings and asset value
fluctuations and are not intended to indicate future performance. Such
information should be considered in light of the Fund's investment objective and
policies as well as the risks incurred in the Fund's investment practices.
Future results will be effected by changes in the general level of prices of
securities available for purchase and sale by the Fund. The past one-year,
five-year and ten-year periods generally have been ones of rising common stock
prices, subject to interim fluctuations.
 
     Total return is computed separately for Class A, Class B and Class C
shares.
 
                                       25
<PAGE>   68
 
     From time to time VKAC will announce the results of its monthly polls of
U.S. investor intentions -- the Van Kampen American Capital Index of Investor
Intentions and the Van Kampen American Capital Mutual Fund Index -- which polls
measure how Americans plan to use their money.
 
     From time to time, in reports or other communications, or in advertising or
sales materials, the Adviser may announce the results of actual tests performed
by DALBAR Financial Securities, Inc., an independent research firm, as they
relate to the level of services for mutual fund investors and may refer to the
Missouri Quality Award received by ACCESS, the Fund's transfer agent, in 1993.
In addition, the Adviser may also refer to the Houston Awards for Quality
received by American Capital in 1994.
 
     The Fund may, from time to time: (1) illustrate the benefits of
tax-deferral by comparing taxable investments to investments made through
tax-deferred retirement plans; (2) illustrate in graph or chart form, or
otherwise, the benefits of dollar cost averaging by comparing investments made
pursuant to a systematic investment plan to investments made in a rising market;
(3) illustrate allocations among different types of mutual funds for investors
at different stages of their lives; and (4) in reports or other communications
to shareholders or in advertising material, illustrate the benefits of
compounding at various assumed rates of return. Such illustrations may be in the
form of charts or graphs and will not be based on historical returns experienced
by the Funds.
 
OTHER INFORMATION
 
CUSTODY OF ASSETS -- All securities owned by the Fund and all cash, including
proceeds from the sale of shares of the Fund and of securities in the Fund's
investment portfolio, are held by State Street Bank and Trust Company, 225
Franklin Street, Boston, Massachusetts 02110, as Custodian.
 
SHAREHOLDER REPORTS -- Semi-annual statements are furnished to shareholders, and
annually such statements are audited by the independent accountants.
 
INDEPENDENT ACCOUNTANTS -- Price Waterhouse LLP, 1201 Louisiana, Houston, Texas
77002, the independent accountants for the Fund, perform an annual audit of the
Fund's financial statements.
 
FINANCIAL STATEMENTS
 
     Financial statements, including Investment Portfolio, Statement of Assets
and Liabilities, Statement of Operations, Statement of Changes in Net Assets,
Notes to Financial Statements, Financial Highlights and Report of Independent
Accountants on such financial statements, are hereby incorporated by reference
to the Fund's Annual Report to shareholders for the year ended December 31,
1994, previously filed with the SEC on or about March 10, 1995. The Fund will
furnish, without charge, a copy of such Annual Report on request by calling or
writing the Fund at 2800 Post Oak Boulevard, Houston, Texas 77056, (800)
421-5666.
 
     The following information is not included in the Annual Report. This
example assumes a purchase of Class A shares of the Fund aggregating less than
$50,000 subject to the schedule of sales charges set forth in the Prospectus at
a price based upon the net asset value of Class A shares of the Fund.
 
<TABLE>
<CAPTION>
                                                                               DECEMBER 31,
                                                                                  1994
                                                                                 ------
    <S>                                                                          <C>
    Net Asset Value per Class A Share                                            $13.24
    Class A Per Share Sales Charge -- 5.75% of offering price
      (6.10% of net asset value per share)                                       $ 0.81
                                                                                 ------
    Class A Per Share Offering Price to the Public                               $14.05
</TABLE>
 
                                       26


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