VAN KAMPEN GROWTH & INCOME FUND
497, 1999-04-01
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<PAGE>   1
 
 
                                  VAN  KAMPEN
                           GROWTH  AND  INCOME  FUND
 
                 Van Kampen Growth and Income Fund is a mutual
                 fund with an investment objective to seek
                 income and long-term growth of capital. The
                 Fund's management seeks to achieve the
                 investment objective by investing primarily in
                 a portfolio of income-producing equity
                 securities, including common stocks and
                 convertible securities (although investments
                 are also made in non-convertible preferred
                 stocks and debt securities).
                 Shares of the Fund have not been approved or
                 disapproved by the Securities and Exchange
                 Commission (SEC) or any state regulators, and
                 neither the SEC nor any state regulator has
                 passed upon the accuracy or adequacy of this
                 prospectus. It is a criminal offense to state
                 otherwise.
 
                   This prospectus is dated  MARCH 30, 1999.
 
                            [VAN KAMPEN FUNDS LOGO]
<PAGE>   2
 
                               TABLE OF CONTENTS
 
<TABLE>
<S>                                                 <C>
Risk/Return Summary................................   3
Fees and Expenses of the Fund......................   5
Investment Objective and Policies..................   6
Investment Advisory Services.......................   9
Purchase of Shares.................................  10
Redemption of Shares...............................  16
Distributions from the Fund........................  18
Shareholder Services...............................  18
Federal Income Taxation............................  20
Financial Highlights...............................  22
</TABLE>
 
No dealer, salesperson or any other person has been authorized to give any
information or to make any representations, other than those contained in this
prospectus, in connection with the offer contained in this prospectus and, if
given or made, such other information or representations must not be relied upon
as having been authorized by the Fund, the Fund's investment adviser or the
Fund's distributor. This prospectus does not constitute an offer by the Fund or
by the Fund's distributor to sell or a solicitation of an offer to buy any of
the securities offered hereby in any jurisdiction to any person to whom it is
unlawful for the Fund to make such an offer in such jurisdiction.
<PAGE>   3
 
                              RISK/RETURN SUMMARY
 
                              INVESTMENT OBJECTIVE
The Fund is a mutual fund with an investment objective to seek income and
long-term growth of capital. There can be no assurance that the Fund will
achieve its investment objective.
 
                             INVESTMENT STRATEGIES
Under normal market conditions, the Fund's management seeks to achieve the
investment objective by investing primarily in a portfolio of income-producing
equity securities, including common stocks and convertible securities (although
investments are also made in non-convertible preferred stocks and debt
securities). The Fund may invest up to 15% of its total assets in securities of
foreign issuers. The Fund may invest in certain derivatives, such as options and
futures, which may include additional risks. In selecting common stocks for
investment, the Fund will focus primarily on the security's potential for income
and capital growth. The Fund's management may focus on larger capitalization
companies which it believes possess characteristics for improved valuation.
 
                                INVESTMENT RISKS
Investors who need a more assured level of current income should be aware that
the Fund's income will fluctuate and that seeking income is only a part of the
Fund's overall investment objective. Similarly, investors who seek only
long-term growth should be aware that the Fund seeks to generate income and that
long-term growth of capital is only a part of the Fund's overall investment
objective.
 
An investment in the Fund is subject to investment risks and you could lose
money on your investment in the Fund over the short or long term.
 
MARKET RISK. Market risk is the possibility that the market values of securities
owned by the Fund will decline. Market risk may affect a single issuer,
industry, sector of the economy, or the market as a whole. The Fund's
investments in equity securities generally are affected by changes in the stock
markets which fluctuate substantially over time, sometimes suddenly and sharply.
During an overall stock market decline, stock prices of small or medium-sized
companies or of newly formed companies (in which the Fund may invest) often
fluctuate more than prices of larger, more established companies. The ability of
the Fund's portfolio holdings to generate income is dependent on the earnings
and the continuing declaration of dividends by the issuers of such securities.
The values of income-producing equity securities may or may not fluctuate in
tandem with overall changes in the stock markets. The Fund's investments in
other fixed income or debt securities generally are affected by changes in
interest rates and creditworthiness of the issuer. The market prices of such
securities tend to fall as interest rates rise, and such declines may be greater
among securities with longer duration.
 
FOREIGN RISKS. Because the Fund may own securities from foreign issuers, it may
be subject to risks not usually associated with owning securities of U.S.
issuers. These risks can include fluctuations in foreign currencies, foreign
currency exchange controls, political and economic instability, differences in
financial reporting, differences in securities regulation and trading, and
foreign taxation issues.
 
RISKS OF USING DERIVATIVE INVESTMENTS. In general terms, a derivative investment
is one whose value depends on (or is derived from) the value of an underlying
asset, interest rate or index. Options and futures are examples of derivatives.
Such transactions involve risks different from the direct investment in
underlying securities such as imperfect correlation between the value of the
instruments and the underlying assets; risks of default by the other party to
certain transactions; risks that the transactions may incur losses that
partially or completely offset gains in portfolio positions; risks that the
transactions may not be liquid; and manager risk.
 
MANAGER RISK. As with any managed fund, the Fund's management may not be
successful in selecting the best-performing securities and the Fund's
performance may lag behind that of similar funds.
 
An investment in the Fund is not a deposit of any bank or other insured
depository institution. Your investment is not insured or guaranteed by the
Federal Deposit Insurance Corporation or any other government agency.
 
                                INVESTOR PROFILE
In light of its objective and investment strategies, the Fund may be appropriate
for investors who:
 
- - Seek income and growth of capital over the long term.
 
- - Can withstand price volatility in the value of their shares of the Fund.
 
                                        3
 
                                       -
<PAGE>   4
 
- - Wish to add to their personal investment portfolio a fund that invests
  primarily in income-producing equity securities.
 
An investment in the Fund may not be appropriate for all investors. The Fund is
not intended to be a complete investment program, and investors should consider
their long-term investment goals and financial needs when making an investment
decision about the Fund. An investment in the Fund is intended to be a long-term
investment, and the Fund should not be used as a trading vehicle.
 
                               ANNUAL PERFORMANCE
One way to measure the risks of investing in the Fund is to look at how its
performance varies from year to year. The following chart shows the annual
returns of the Fund's Class A Shares over the past ten calendar years prior to
the date of this prospectus. Sales loads are not reflected in this chart. If
these sales loads had been included, the returns shown below would have been
lower. Remember that the past performance of the Fund is not indicative of its
future performance.
 
<TABLE>
<CAPTION>
                                                                             ANNUAL RETURN
                                                                             -------------
<S>                                                                              <C>
'1989                                                                            15.62
'1990                                                                            -5.24
'1991                                                                            30.24
'1992                                                                             9.52
'1993                                                                            16.33
'1994                                                                            -1.66
'1995                                                                            35.67
'1996                                                                            18.05
'1997                                                                            24.49
'1998                                                                            18.44
</TABLE>
 
The annual return variability of the Fund's Class B Shares and Class C Shares
would be substantially similar to that shown for the Class A Shares because all
of the Fund's shares are invested in the same portfolio of securities; however,
the actual annual returns of the Class B Shares and Class C Shares would be
lower than the annual returns shown for the Fund's Class A Shares because of
differences in the expenses borne by each class of shares.
During the ten-year period shown in the bar chart, the highest quarterly return
was 15.91% (for the quarter ended December 31, 1998) and the lowest quarterly
return was -15.70% (for the quarter ended September 30, 1990).
 
                            COMPARATIVE PERFORMANCE
This table shows how the Fund's performance compares with two broad-based market
indices that the Fund's management believes are applicable benchmarks for the
Fund: Standard & Poor's 500-Stock Index and the Lipper Growth and Income Fund
Index. The Fund performance figures include the maximum sales charges paid by
investors. The indices performance figures do not include commissions or sale
charges that would be paid by investors. Average annual total returns are shown
for the periods ended December 31, 1998 (the most recently completed calendar
year prior to the date of this prospectus). Remember that the past performance
of the Fund is not indicative of its future performance.
 
<TABLE>
<CAPTION>
Average Annual
Total Returns                            Past 10
for the                                   Years
Periods Ended         Past     Past      or Since
December 31, 1998     1 Year   5 Years   Inception
- -------------------------------------------------------
<S>                    <C>      <C>       <C>      
Van Kampen Growth
and Income Fund
- -------------------------------------------------------
    Class A Shares     11.65%   16.96%     14.81%
- -------------------------------------------------------
    Class B Shares     12.57%   17.27%     17.44%(1)
- -------------------------------------------------------
    Class C Shares     16.56%   17.43%     17.45%(1)
- -------------------------------------------------------
Standard & Poor's
500-Stock Index        28.34%   23.81%     18.95%
                                           23.15%(2)
- -------------------------------------------------------
Lipper Growth and
Income Fund Index      15.57%   18.35%     15.53%
                                           17.95%(3)
- -------------------------------------------------------
</TABLE>
 
Inception date: (1) 8/2/93, (2) 7/31/93, (3) 7/29/93.
 
                                        4
<PAGE>   5
 
                               FEES AND EXPENSES
                                  OF THE FUND
 
This table describes the fees and expenses that you may pay if you buy and hold
shares of the Fund.
 
                                SHAREHOLDER FEES
 
                   (fees paid directly from your investment)
 
<TABLE>
<CAPTION>
                       Class A    Class B       Class C
                       Shares      Shares        Shares
- --------------------------------------------------------------
<S>                    <C>      <C>           <C>          <C>
Maximum sales charge
(load) imposed on
purchases (as a
percentage of
offering price)        5.75%(1)     None          None
 ..............................................................
Maximum deferred
sales charge (load)
(as a percentage of
the lesser of
original purchase
price or redemption    None(2)    5.00%(3)      1.00%(4)
proceeds)
 ..............................................................
Maximum sales charge
(load) imposed on
reinvested dividends
(as a percentage of
offering price)         None        None          None
 ..............................................................
Redemption fees (as a
percentage of amount    None        None          None
redeemed)
 ..............................................................
Exchange fee            None        None          None
 ..............................................................
</TABLE>
 
(1) Reduced for purchases of $50,000 and over. See "Purchase of Shares -- Class
    A Shares."
(2) Investments of $1 million or more are not subject to any sales charge at the
    time of purchase, but a deferred sales charge of 1.00% may be imposed on
    certain redemptions made within one year of the purchase. See "Purchase of
    Shares -- Class A Shares."
(3) The maximum deferred sales charge is 5.00% in the first year after purchase
    and declining thereafter as follows:
        Year 1-5.00%
        Year 2-4.00%
        Year 3-3.00%
        Year 4-2.50%
        Year 5-1.50%
        After-None
   See "Purchase of Shares -- Class B Shares."
(4) The maximum deferred sales charge is 1.00% in the first year after purchase
    and 0.00% thereafter. See "Purchase of Shares -- Class C Shares."
 
                                  ANNUAL FUND
 
                               OPERATING EXPENSES
 
                 (expenses that are deducted from Fund assets)
 
<TABLE>
<CAPTION>
                         Class A      Class B      Class C
                         Shares       Shares       Shares
- --------------------------------------------------------------
<S>                      <C>          <C>          <C>     <C>
Management Fees          0.38%        0.38%        0.38%
 ..............................................................
Distribution and/or      0.25%        1.00%(2)     1.00%(2)
Service (12b-1)
Fees(1)
 ..............................................................
Other Expenses           0.29%        0.31%        0.31%
 ..............................................................
Total Annual Fund        0.92%        1.69%        1.69%
Operating Expenses
 ..............................................................
</TABLE>
 
(1) Class A Shares are subject to an annual service fee of up to 0.25% of the
    average daily net assets attributable to such class of shares. Class B
    Shares and Class C Shares are each subject to a combined annual distribution
    and service fee of up to 1.00% of the average daily net assets attributable
    to such class of shares. See "Purchase of Shares."
 
(2) Because Distribution and/or Service (12b-1) Fees are paid out of the Fund's
    assets on an ongoing basis, over time these fees will increase the cost of
    your investment and may cost you more than paying other types of sales
    charges.
 
Example:
 
The following example is intended to help you compare the cost of investing in
the Fund with the costs of investing in other mutual funds.
 
The example assumes that you invest $10,000 in the Fund for the time periods
indicated and then redeem all of your shares at the end of those periods. The
example also assumes that your investment has a 5% annual return each year and
that the Fund's operating expenses remain the same each year (except for the
ten-year amounts for Class B Shares which reflect the conversion of Class B
Shares to Class A Shares after eight years). Although your actual costs may be
higher or lower, based on these assumptions your costs would be:
 
<TABLE>
<CAPTION>
                           One       Three       Five        Ten
                           Year      Years      Years       Years
- ----------------------------------------------------------------------
<S>                        <C>       <C>        <C>         <C>    <C>
Class A Shares             $663       $851      $1,055      $1,641
 ......................................................................
Class B Shares             $672       $833      $1,068      $1,793*
 ......................................................................
Class C Shares             $272       $533       $ 918      $1,998
 ......................................................................
</TABLE>
 
                                        5
 
                                       -
<PAGE>   6
 
You would pay the following expenses if you did not redeem your shares:
 
<TABLE>
<CAPTION>
                           One       Three       Five        Ten
                           Year      Years      Years       Years
- ----------------------------------------------------------------------
<S>                        <C>       <C>        <C>         <C>    <C>
Class A Shares             $663       $851      $1,055      $1,641
 ......................................................................
Class B Shares             $172       $533       $ 918      $1,793*
 ......................................................................
Class C Shares             $172       $533       $ 918      $1,998
 ......................................................................
</TABLE>
 
* Based on conversion to Class A Shares after eight years.
 
                              INVESTMENT OBJECTIVE
                                  AND POLICIES
 
The Fund's investment objective is to seek income and long-term growth of
capital. The Fund's investment objective is a fundamental policy and may not be
changed without shareholder approval of the holders of a majority of the Fund's
outstanding voting securities, as defined in the Investment Company Act of 1940,
as amended (the "1940 Act"). There are risks inherent in all investments in
securities; accordingly there can be no assurance that the Fund will achieve its
investment objective.
 
The Fund's investment adviser seeks to achieve the investment objective by
investing primarily in income-producing equity securities, including common
stocks and convertible securities; although investments are also made in
non-convertible preferred stocks and debt securities rated "investment grade,"
which are securities rated within the four highest grades assigned by Standard &
Poor's ("S&P") or by Moody's Investors Services, Inc. ("Moody's").
 
Common stocks are shares of a corporation or other entity that entitle the
holder to a pro rata share of the profits of the corporation, if any, without
preference over any other class of securities, including such entity's debt
securities, preferred stock and other senior equity securities. Common stock
usually carries with it the right to vote and frequently an exclusive right to
do so.
 
A convertible security is a bond, debenture, note, preferred stock, warrant or
other security that may be converted into or exchanged for a prescribed amount
of common stock or other equity security of the same or a different issuer
within a particular period of time at a specified price or formula. A
convertible security generally entitles the holder to receive interest paid or
accrued on debt or the dividend paid on preferred stock until the convertible
security matures or is redeemed, converted or exchanged. Before conversion,
convertible securities generally have characteristics similar to nonconvertible
income securities in that they ordinarily provide a stream of income with
generally higher yields than those of common stock of the same or similar
issuers. Convertible securities generally rank senior to common stock in a
corporation's capital structure but are usually subordinated to comparable
nonconvertible securities.
 
While the Fund invests primarily in income-producing equity securities, the Fund
may invest in non-convertible adjustable or fixed rate preferred stock and debt
securities. Preferred stock generally has a preference as to dividends and
liquidation over an issuer's common stock but ranks junior to debt securities in
an issuer's capital structure. Unlike interest payments on debt securities,
preferred stock dividends are payable only if declared by the issuer's board of
directors. Preferred stock also may be subject to optional or mandatory
redemption provisions. The Fund may invest in debt securities of various
maturities. The Fund invests only in debt securities rated investment grade at
the time of investment, and a subsequent reduction in rating does not require
the Fund to dispose of a security. Securities rated BBB by S&P or Baa by Moody's
are in the lowest of the four investment grades and are considered by the rating
agencies to be medium grade obligations which possess speculative
characteristics so that changes in economic conditions or other circumstances
are more likely to lead to a weakened capacity to make principal and interest
payments than in the case of higher rated securities. The market prices of debt
securities generally fluctuate inversely with changes in interest rates so that
the value of investments in such securities can be expected to decrease as
interest rates rise and increase as interest rates fall.
 
In selecting common stocks for investment, the Fund will focus primarily on the
security's potential for income and capital growth. The Fund's investment
adviser may focus on larger capitalization companies which it believes possess
characteristics for improved valuation. The Fund may invest in issuers of small,
medium or large capitalization companies. The securities of small or medium
sized companies may be subject to more abrupt or erratic market
 
                                        6
 
                                       -
<PAGE>   7
 
movements than securities of larger, more established companies or the market
averages in general. In addition, such companies typically are subject to a
greater degree of change in earnings and business prospects than are larger,
more established companies. Thus, the Fund may be subject to greater investment
risk than that assumed through investment in the equity securities of larger,
more established capitalization companies.
 
The Fund may dispose of a security whenever, in the opinion of the Fund's
investment adviser, factors indicate it is desirable to do so. Such factors
include change in economic or market factors in general or with respect to a
particular industry, a change in the market trend or other factors affecting an
individual security, changes in the relative market performance or appreciation
possibilities offered by individual securities and other circumstances bearing
on the desirability of a given investment.
 
                         SECURITIES OF FOREIGN ISSUERS
The Fund may invest up to 15% of its total assets in securities of foreign
issuers. Such securities may be denominated in U.S. dollars or in currencies
other than U.S. dollars. Investments in foreign securities present certain risks
not ordinarily associated with investments in securities of U.S. issuers. These
risks include fluctuations in foreign exchange rates, political and economic
developments (including war or other instability, expropriation of assets,
nationalization and confiscatory taxation), the imposition of foreign exchange
limitations, withholding taxes on income or capital transactions or other
restrictions, higher transaction costs and difficulty in taking judicial action.
In addition, there generally is less publicly available information about many
foreign issuers, and auditing, accounting and financial reporting requirements
are less stringent and less uniform in many foreign countries. Such securities
may be less liquid than the securities of U.S. corporations or the U.S.
government. Such securities may also be subject to greater fluctuations in price
than securities of U.S. corporations or the U.S. government. There is generally
less government regulation of stock exchanges, brokers and listed companies
abroad than in the U. S., and, with respect to certain foreign countries, there
is a possibility of expropriation or confiscatory taxation, or diplomatic
developments which could affect investment in those countries. Because there is
usually less supervision and governmental regulation of exchanges, brokers and
dealers than there is in the U.S., the Fund may experience settlement
difficulties or delays not usually encountered in the U.S. The risks of foreign
investments should be considered carefully by an investor in the Fund.
 
                        USING OPTIONS, FUTURES CONTRACTS
 
                              AND RELATED OPTIONS
The Fund expects to utilize options, futures contracts and options on futures
contracts in several different ways, depending upon the status of the Fund's
portfolio and the investment adviser's expectations concerning the securities
markets.
 
In times of stable or rising stock prices, the Fund generally seeks to be fully
invested in equity securities. Even when the Fund is fully invested, however,
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 or cash equivalents does not fluctuate
with stock market prices, so that, in times of rising market prices, the Fund
may underperform the market in proportion to the amount of cash or cash
equivalents in its portfolio. By purchasing stock index futures contracts,
however, the Fund can compensate for the cash portion of its assets and may
obtain performance equivalent to investing 100% of its assets in equity
securities.
 
If the Fund's investment adviser forecasts a market decline, the Fund may seek
to reduce its exposure to the securities markets by increasing its cash
position. By selling stock index futures contracts instead of portfolio
securities, a similar result can be achieved to the extent that the performance
of the futures contracts correlates to the performance of the Fund's portfolio
securities. Sales of futures contracts frequently may 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 stock index futures contracts, the Fund can engage in stock
index options (or stock index futures options) to manage the portfolio's risk in
advancing or declining markets. For example, the value of a put option generally
increases as the underlying security declines below a specified level,
 
                                        7
 
                                       -
<PAGE>   8
 
value is protected against a market decline to the degree the performance of the
put 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.
 
The Fund is authorized to purchase and sell listed and over-the-counter options
("OTC Options"). OTC Options are subject to certain additional risks including
default by the other party to the transaction and the liquidity of the
transactions.
 
In certain cases, 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 rather than
purchasing or selling portfolio securities. However, such transactions involve
risks different from the direct investment in underlying securities such as
imperfect correlation between the value of the instruments and the underlying
assets, risks of default by the other party to certain transactions, risks that
the transactions may incur losses that partially or completely offset gains in
portfolio positions, risks that the transactions may not be liquid and manager
risk. In addition, such transactions may involve commissions and other costs,
which may increase the Fund's expenses and reduce its return. A more complete
discussion of options, futures contracts and related options and their risks is
contained in the Fund's Statement of Additional Information which can be
obtained by investors free of charge as described on the back cover of this
prospectus.
 
                       OTHER INVESTMENTS AND RISK FACTORS
For cash management purposes, the Fund may engage in repurchase agreements with
banks and broker-dealers to earn a return on temporarily available cash. Such
transactions are subject to the risk of default by the other party.
 
The Fund may lend its portfolio securities to brokers/dealers and other
financial institutions in an amount up to 10% of its total assets in order to
generate income on the loaned security and any collateral received. The Fund may
incur lending fees and other costs in connection with securities lending, and
securities lending is subject to the risk of default by the other party.
 
The Fund may invest up to 10% of the Fund's net assets in illiquid securities
and certain restricted securities. Such securities may be difficult or
impossible to sell at the time and the price that the Fund would like. Thus, the
Fund may have to sell such securities at a lower price, sell other securities
instead to obtain cash or forego other investment opportunities.
 
Further information about these types of investments and other investment
practices that may be used by the Fund is contained in the Statement of
Additional Information.
 
Although the Fund does not intend to engage in substantial short-term trading,
it may sell securities without regard to the length of time they have been held
in order to take advantage of new investment opportunities or when the Fund's
investment adviser believes the potential for income or capital growth has
lessened or otherwise. The Fund's portfolio turnover is shown under the heading
"Financial Highlights." The portfolio turnover rate may be expected to vary from
year to year. A high portfolio turnover rate (100% or more) increases the Fund's
transactions costs, including brokerage commissions or dealer costs, and may
result in the realization of more short-term capital gains than if the Fund had
lower portfolio turnover. The turnover rate will not be a limiting factor,
however, if the Fund's investment adviser considers portfolio changes
appropriate.
 
When market conditions dictate a more "defensive" investment strategy, the Fund
may invest on a temporary basis a portion or all of its assets in securities
issued or guaranteed by the U.S. government, its agencies or instrumentalities,
prime commercial paper, certificates of deposit, bankers' acceptances and other
obligations of domestic banks having total assets of at least $500 million,
repurchase agreements and in investment grade corporate debt securities. Under
normal market conditions, the potential for income or capital growth on these
securities will tend to be lower than the potential for income or capital growth
on other securities owned by the Fund. The effect of taking such a defensive
position may be that the Fund does not achieve its investment objective.
 
YEAR 2000 RISKS. Like other mutual funds, financial and business organizations
and individuals around the world, the Fund could be adversely affected if the
computer systems used by the Fund's investment
 
                                        8
 
                                       -
<PAGE>   9
 
adviser and other service providers do not properly process and calculate
date-related information and data from and after January 1, 2000. This is
commonly known as the "Year 2000 Problem." The Fund's investment adviser is
taking steps that it believes are reasonably designed to address the Year 2000
Problem with respect to computer systems that it uses and to obtain reasonable
assurances that comparable steps are being taken by the Fund's other major
service providers. At this time, there can be no assurances that these steps
will be sufficient to avoid any adverse impact to the Fund. In addition, the
Year 2000 Problem may adversely affect the markets and the issuers of securities
in which the Fund may invest which, in turn, may adversely affect the net asset
value of the Fund. Improperly functioning trading systems may result in
settlement problems and liquidity issues. In addition, corporate and
governmental data processing errors may result in production problems for
individual companies or issuers and overall economic uncertainty. Earnings of
individual issuers will be affected by remediation costs, which may be
substantial and may be reported inconsistently in U.S. and foreign financial
statements. Accordingly, the Fund's investments may be adversely affected. The
statements above are subject to the Year 2000 Information and Readiness
Disclosure Act which Act may limit the legal rights regarding the use of such
statements in the case of a dispute.
 
                          INVESTMENT ADVISORY SERVICES
 
THE ADVISER. Van Kampen Asset Management Inc. is the Fund's investment adviser
(the "Adviser" or "Asset Management"). The Adviser is a wholly owned subsidiary
of Van Kampen Investments Inc. ("Van Kampen Investments"). Van Kampen
Investments is a diversified asset management company with more than two million
retail investor accounts, extensive capabilities for managing institutional
portfolios, and more than $75 billion under management or supervision. Van
Kampen Investments' more than 50 open-end and 39 closed-end funds and more than
2,500 unit investment trusts are professionally distributed by leading financial
advisers nationwide. Van Kampen Funds Inc., the distributor of the Fund (the
"Distributor") and the sponsor of the funds mentioned above, is also a wholly
owned subsidiary of Van Kampen Investments. Van Kampen Investments is an
indirect wholly owned subsidiary of Morgan Stanley Dean Witter & Co. The
Adviser's principal office is located at 1 Parkview Plaza, PO Box 5555, Oakbrook
Terrace, Illinois 60181-5555.
 
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. Under an investment advisory agreement between the Adviser and the
Fund (the "Advisory Agreement"), the Fund pays the Adviser a monthly fee
computed based upon an annual rate applied to average daily net assets of the
Fund as follows:
 
<TABLE>
<CAPTION>
     Average Daily Net Assets         % Per Annum
- ------------------------------------------------------
<S> <C>                              <C>           <C>
    First $150 million               0.50 of 1.00%
 ......................................................
    Next $100 million                0.45 of 1.00%
 ......................................................
    Next $100 million                0.40 of 1.00%
 ......................................................
    Over $350 million                0.35 of 1.00%
 ......................................................
</TABLE>
 
Applying this fee schedule, the Fund paid the Adviser an advisory fee at the
effective rate of 0.38% of the Fund's average daily net assets for the Fund's
fiscal year ended November 30, 1998.
 
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. Other operating expenses
paid by the Fund include service fees, distribution fees, custodial fees, legal
and accounting fees, the costs of reports and proxies to shareholders, trustees'
fees (other than those who are affiliated persons of the Adviser, Distributor or
Van Kampen Investments) and all other business expenses not specifically assumed
by the Adviser.
 
From time to time, the Adviser or the Distributor may voluntarily undertake to
reduce the Fund's expenses by reducing the fees payable to them or by reducing
other expenses of the Fund in accordance with such limitations as the Adviser or
Distributor may establish.
 
The Adviser may utilize, at its own expense, credit analysis, research and
trading support services provided by its affiliate, Van Kampen Investment
Advisory Corp. ("Advisory Corp.").
 
PERSONAL INVESTMENT POLICIES. The Fund and the Adviser have adopted Codes of
Ethics designed to recognize the fiduciary relationship between the Fund
 
                                        9
 
                                       -
<PAGE>   10
 
and the Adviser and its employees. The Codes of Ethics permit directors,
trustees, 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 pre-clearance and other procedures designed
to prevent conflicts of interest.
 
PORTFOLIO MANAGEMENT. The Fund is managed by a management team of James A.
Gilligan, Senior Portfolio Manager, and Scott Carroll, Portfolio Manager. Mr.
Gilligan has been primarily responsible for managing the Fund's investment
portfolio since January 1990. Mr. Gilligan has been Senior Vice President and
Portfolio Manager of the Adviser since September 1995 and of Advisory Corp.
since June 1995. Prior to that time, Mr. Gilligan was Vice President and
Portfolio Manager of the Adviser. Mr. Carroll has been a Portfolio Manager of
the Fund since July 1997 and of the Adviser and Advisory Corp. since December
1996. Prior to that time, Mr. Carroll was an Equity Analyst with Lincoln Capital
Management Company.
 
                               PURCHASE OF SHARES
 
                                    GENERAL
The Fund offers three classes of shares designated as Class A Shares, Class B
Shares and Class C Shares. By offering three classes of shares, the Fund permits
each investor to choose the class of shares that is most beneficial given the
amount to be invested and the length of time the investor expects to hold the
shares.
 
Initial investments must be at least $500 for each class of shares, and
subsequent investments must be at least $25 for each class of shares. Both
minimums may be waived by the Distributor for plans involving periodic
investments.
 
Each class of shares represents an interest in the same portfolio of investments
of the Fund and has the same rights except that (i) Class A Shares generally
bear the sales charge expenses at the time of purchase while Class B Shares and
Class C Shares bear the sales charge expenses at the time of redemption and any
expenses (including higher distribution fees and transfer agency costs)
resulting from such deferred sales charge arrangement, (ii) generally, each
class of shares has exclusive voting rights with respect to approvals of the
Rule 12b-1 distribution plan (described below) pursuant to which its
distribution fee or service fee is paid, (iii) each class of shares has
different exchange privileges, (iv) certain classes of shares are subject to a
conversion feature and (v) certain classes of shares have different shareholder
service options available.
 
The offering price of the Fund's shares is based upon the Fund's net asset value
per share (plus sales charges, where applicable). The net asset values per share
of the Class A Shares, Class B Shares and Class C Shares are generally expected
to be substantially the same. In certain circumstances, however, the per share
net asset values of the classes of shares may differ from one another,
reflecting the daily expense accruals of the higher distribution fees and
transfer agency costs applicable to the Class B Shares and Class C Shares and
the differential in the dividends that may be paid on each class of shares.
 
The net asset value per share for each class of shares of the Fund is determined
once daily as of the close of trading on the New York Stock Exchange (the
"Exchange") (currently 4:00 p.m., New York time) each day the Exchange is open
for trading. Net asset value per share for each class is determined by dividing
the value of the Fund's portfolio 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. Such computation is made by using prices as of the close
of trading on the Exchange and (i) valuing securities listed or traded on a
national securities exchange at the last reported sale price, or if there has
been no sale that day, at the mean between the bid and asked prices, (ii)
valuing over-the-counter securities at the mean between the bid and asked prices
available from the National Association of Securities Dealers Automated
Quotations ("NASDAQ") and (iii) 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 Adviser using methods determined by the Fund's
Trustees. Short-term securities are valued in the manner described in the notes
to the financial statements included in the Fund's Statement of Additional
Information.
 
The Fund has adopted a distribution plan (the "Distribution Plan") with respect
to each class of its shares pursuant to Rule 12b-1 under the 1940 Act. The Fund
also has adopted a service plan (the "Service Plan") with respect to each class
of its shares. The Distribution Plan and the Service Plan provide that the Fund
may pay distribution fees in
 
                                       10
 

<PAGE>   11
 
connection with the sale and distribution of its shares and service fees in
connection with the provision of ongoing services to shareholders of each class.
 
The amount of distribution and service fees varies among the classes offered by
the Fund. Because these fees are paid out of the Fund's assets on an ongoing
basis, these fees will increase the cost of your investment in the Fund. By
purchasing a class of shares subject to higher distribution and service fees,
you may pay more over time than on a class of shares with other types of sales
charge arrangements. The net income attributable to a class of shares and the
dividends payable on such class of shares will be reduced by the amount of the
distribution fees and other expenses associated with such class of shares. To
assist investors in comparing classes of shares, the tables under the heading
"Fees and Expenses of the Fund" provide a summary of sales charges and expenses
and an example of the sales charges and expenses applicable to each class of
shares. Long-term shareholders may pay more than the economic equivalent of the
maximum front-end sales charges permitted by National Association of Securities
Dealers, Inc. rules.
 
The shares are offered to the public on a continuous basis through the
Distributor as principal underwriter, which is located at 1 Parkview Plaza, PO
Box 5555, Oakbrook Terrace, Illinois 60181-5555. Shares also are offered through
members of the National Association of Securities Dealers, Inc. ("NASD") who are
acting as securities dealers ("dealers") and NASD members or eligible non-NASD
members who are acting as brokers or agents or investors ("brokers"). "Dealers"
and "brokers" are sometimes referred to herein as "authorized dealers."
 
Shares may be purchased on any business day by completing the application
accompanying this prospectus and forwarding the application, directly or through
an authorized dealer, to the Fund's shareholder service agent, Van Kampen
Investor Services Inc. ("Investor Services"), a wholly owned subsidiary of Van
Kampen Investments. When purchasing shares of the Fund, investors must specify
whether the purchase is for Class A Shares, Class B Shares or Class C Shares.
Sales personnel of authorized dealers distributing the Fund's shares are
entitled to receive compensation for selling such shares and may receive
differing compensation for selling Class A Shares, Class B Shares or Class C
Shares.
 
The offering price for shares is based on the next calculation of net asset
value per share (plus sales charges, where applicable) after an order is
received by Investor Services. Orders received by authorized dealers prior to
the close of the Exchange are priced based on the date of receipt provided such
order is transmitted to Investor Services prior to Investor Services' close of
business on such date. Orders received by authorized dealers after the close of
the Exchange or transmitted to Investor Services after its close of business are
priced based on the date of the next computed net asset value per share provided
they are received by Investor Services prior to Investor Services' close of
business on such date. It is the responsibility of authorized dealers to
transmit orders received by them to Investor Services so they will be received
in a timely manner. Orders of less than $500 generally are mailed by the
authorized dealer and processed at the offering price next calculated after
receipt by Investor Services.
 
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.
 
Investor accounts will automatically be credited with additional shares of the
Fund after any Fund distributions, such as dividends and capital gains
distributions, unless the investor instructs the Fund otherwise. Investors
wishing to receive cash instead of additional shares should contact the Fund at
(800) 341-2911 or by writing to the Fund, c/o Van Kampen Investors Services
Inc., PO Box 418256, Kansas City, MO 64141-9256.
 
                                       11
 

<PAGE>   12
 
                                 CLASS A SHARES
Class A Shares of the Fund are sold at net asset value plus an initial maximum
sales charge of up to 5.75% of the offering price (or 6.10% of the net amount
invested), reduced on investments of $50,000 or more as follows:
 
                                 CLASS A SHARES
 
                             SALES CHARGE SCHEDULE
 
<TABLE>
<CAPTION>
                                As % of      As % of
            Size of             Offering    Net Amount
           Investment            Price       Invested
- ----------------------------------------------------------
<S>                             <C>          <C>
    Less than $50,000            5.75%        6.10%
- ----------------------------------------------------------
    $50,000 but less than
    $100,000                     4.75%        4.99%
- ----------------------------------------------------------
    $100,000 but less than
    $250,000                     3.75%        3.90%
- ----------------------------------------------------------
    $250,000 but less than
    $500,000                     2.75%        2.83%
- ----------------------------------------------------------
    $500,000 but less than
    $1,000,000                   2.00%        2.04%
- ----------------------------------------------------------
    $1,000,000 or more               *            *
- ----------------------------------------------------------
</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 1.00% on certain redemptions made within one year of
  the purchase. The contingent deferred sales 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.
 
The Fund may spend an aggregate amount up to 0.25% per year of the average daily
net assets attributable to the Class A Shares of the Fund pursuant to the
Distribution Plan and Service Plan. From such amount, the Fund may spend up to
0.25% per year of the Fund's average daily net assets attributable to the Class
A Shares pursuant to the Service Plan in connection with the ongoing provision
of services to holders of such shares by the Distributor and by brokers, dealers
or financial intermediaries and in connection with the maintenance of such
shareholders' accounts. The rates in this paragraph are 0.15% per year of the
Fund's average daily net assets attributable to Class A Shares with respect to
accounts existing before October 1, 1989.
 
                                 CLASS B SHARES
Class B Shares of the Fund are sold at net asset value and are subject to a
deferred sales charge if redeemed within five years of purchase as shown in the
table as follows:
 
                                 CLASS B SHARES
 
                             SALES CHARGE SCHEDULE
 
<TABLE>
<CAPTION>
                         Contingent Deferred
                            Sales Charge
                         as a Percentage of
                            Dollar Amount
    Year Since Purchase   Subject to Charge
- ------------------------------------------------
<S>                            <C>
    First                       5.00%
- ------------------------------------------------
    Second                      4.00%
- ------------------------------------------------
    Third                       3.00%
- ------------------------------------------------
    Fourth                      2.50%
- ------------------------------------------------
    Fifth                       1.50%
- ------------------------------------------------
    Sixth and After              None
- ------------------------------------------------
</TABLE>
 
The contingent deferred sales 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 sales charge is assessed
on shares derived from reinvestment of dividends or capital gains distributions.
It is presently the policy of the Distributor not to accept any order for Class
B Shares in an amount of $500,000 or more because it ordinarily will be more
advantageous for an investor making such an investment to purchase Class A
Shares.
 
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.
 
In determining whether a contingent deferred sales charge is applicable to a
redemption, 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 then of shares held the longest in the shareholder's account.
 
The Fund may spend up to 0.75% per year of the average daily net assets
attributable to the Class B
 
                                       12
 
                                       
<PAGE>   13
 
Shares of the Fund pursuant to the Distribution Plan. In addition, the Fund may
spend up to 0.25% per year of the Fund's average daily net assets attributable
to the Class B Shares pursuant to the Service Plan in connection with the
ongoing provision of services to holders of such shares by the Distributor and
by brokers, dealers or financial intermediaries and in connection with the
maintenance of such shareholders' accounts.
 
                                 CLASS C SHARES
Class C Shares of the Fund are sold at net asset value and are subject to a
deferred sales charge of 1.00% of the dollar amount subject to charge if
redeemed within one year of purchase.
 
The contingent deferred sales 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 sales charge is assessed
on shares derived from reinvestment of dividends or capital gains distributions.
It is presently the policy of the Distributor not to accept any order for Class
C Shares in an amount of $1 million or more because it ordinarily will be more
advantageous for an investor making such an investment to purchase Class A
Shares.
 
In determining whether a contingent deferred sales charge is applicable to a
redemption, 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 then of shares held the longest in the shareholder's account.
 
The Fund may spend up to 0.75% per year of the average daily net assets
attributable to the Class C Shares of the Fund pursuant to the Distribution
Plan. In addition, the Fund may spend up to 0.25% per year of the Fund's average
daily net assets attributable to the Class C Shares pursuant to the Service Plan
in connection with the ongoing provision of services to holders of such shares
by the Distributor and by brokers, dealers or financial intermediaries and in
connection with the maintenance of such shareholders' accounts. The aggregate
distribution and service fees are currently 1.00% per year of the average daily
net assets attributable to Class C Shares of the Fund. The aggregate
distribution and service fees are 0.90% per year of the average daily net assets
attributable to Class C Shares of the Fund with respect to accounts existing
before April 1, 1995.
 
                               CONVERSION FEATURE
Class B Shares purchased on or after June 1, 1996, and any dividend reinvestment
plan Class B Shares received on such shares, automatically convert to Class A
Shares eight years after the end of the calendar month in which the shares were
purchased. Class B Shares purchased before June 1, 1996, and any dividend
reinvestment plan Class B Shares received on such shares, automatically convert
to Class A Shares six years after the end of the calendar month in which the
shares were purchased. Class C Shares purchased before January 1, 1997, and any
dividend reinvestment plan Class C Shares received on such shares, automatically
convert to Class A Shares ten years after the end of the calendar month in which
such shares were purchased. 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 conversion schedule applicable to a share of the Fund acquired
through the exchange privilege from another Van Kampen fund is determined by
reference to the Van Kampen fund from which such share was originally purchased.
 
The conversion of such 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 higher distribution fee and transfer agency costs with respect to such
shares does not result in the Fund's dividends or distributions constituting
"preferential dividends" under the federal income tax law and (ii) the
conversion of shares does not constitute a taxable event under federal income
tax law. The conversion may be suspended if such an opinion is no longer
available and such shares might continue to be subject to the higher aggregate
fees applicable to such shares for an indefinite period.
 
                   WAIVER OF CONTINGENT DEFERRED SALES CHARGE
The contingent deferred sales charge is waived on redemptions of Class B Shares
and Class C Shares (i) within one year following the death or disability (as
disability is defined by federal income tax law) of a shareholder, (ii) in
connection with required minimum distributions from an individual retirement
account ("IRA") or certain other retirement plan distributions, (iii) pursuant
to the Fund's systematic withdrawal plan but limited to 12% annually of the
initial value of the account, (iv) in circumstances under which no commission or
transaction fee is paid to authorized dealers at the time of purchase of such
shares and (v) effected pursuant to the right of the Fund to involuntarily
liquidate a shareholder's account as described under the heading "Redemption
 
                                       13
 
                                       
<PAGE>   14
 
of Shares." The contingent deferred sales charge also is 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 180 days after redemption. For a
more complete description of contingent deferred sales charge waivers, please
refer to the Fund's Statement of Additional Information or contact your
authorized dealer.
 
                               QUANTITY DISCOUNTS
Investors purchasing Class A Shares may, under certain circumstances described
below, be entitled to pay reduced sales charges. Investors, or their authorized
dealers, must notify the Fund at the time of the purchase order whenever a
quantity discount is applicable to purchases. Upon such notification, an
investor will receive the lowest applicable sales charge. Quantity discounts may
be modified or terminated at any time. For more information about quantity
discounts, investors should contact their authorized dealer or the Distributor.
 
A person eligible for a reduced sales charge includes an individual, his or her
spouse and children under 21 years of age and any corporation, partnership or
sole proprietorship which is 100% owned, either alone or in combination, by any
of the foregoing; a trustee or other fiduciary purchasing for a single trust or
for a single fiduciary account, or a "company" as defined in Section 2(a)(8) of
the 1940 Act.
 
As used herein, "Participating Funds" refers to certain open-end investment
companies advised by Asset Management or Advisory Corp. and distributed by the
Distributor as determined from time to time by the Fund's Board of Trustees.
 
VOLUME DISCOUNTS. The size of investment shown in the Class A Shares sales
charge table applies to the total dollar amount being invested by any person in
shares of the Fund, or in any combination of shares of the Fund and shares of
other Participating Funds, although other Participating Funds may have different
sales charges.
 
CUMULATIVE PURCHASE DISCOUNT. The size of investment shown in the Class A Shares
sales charge 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.
 
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 Class A Shares sales
charge table. The size of investment shown in the Class A Shares sales charge
table 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. The initial purchase must be for an amount equal to at least 5%
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
adjustment in sales charge will be used to purchase additional shares for the
shareholder at the applicable discount category. The Fund initially will escrow
shares totaling 5% of the dollar amount of the Letter of Intent to be held by
Investor Services in the name of the shareholder. In the event the Letter of
Intent goal is not achieved within the period, the investor must pay the
difference between the sales charge applicable to the purchases made and the
reduced sales charge previously paid. Such payments may be made directly to the
Distributor or, if not paid, the Distributor will liquidate sufficient escrowed
shares to obtain the difference.
 
                            OTHER PURCHASE PROGRAMS
Purchasers of Class A Shares may be entitled to reduced initial sales charges in
connection with the unit investment trust reinvestment program and purchases by
registered representatives of selling firms or purchases by persons affiliated
with the Fund or the Distributor. The Fund reserves the right to modify or
terminate these arrangements at any time.
 
UNIT INVESTMENT TRUST REINVESTMENT PROGRAM. The Fund permits unitholders of unit
investment trusts to reinvest distributions from such trusts in Class A Shares
of the Fund at net asset value per share and with no minimum initial or
subsequent investment requirement, if the administrator of an investor's unit
investment trust program meets certain uniform
 
                                       14
 
                                       
<PAGE>   15
 
criteria relating to cost savings by the Fund and the Distributor. The total
sales charge for all other investments made from unit trust distributions will
be 1.00% of the offering price (1.01% of net asset value). Of this amount, the
Distributor will pay to the authorized dealer, if any, through which such
participation in the qualifying program was initiated 0.50% of the offering
price as a dealer concession or agency commission. Persons desiring more
information with respect to this program, including the terms and conditions
that apply to the program, should contact their authorized dealer or the
Distributor.
 
The administrator of such a unit investment trust must have an agreement with
the Distributor pursuant to which the administrator will (1) submit a single
bulk order and make payment with a single remittance for all investments in the
Fund during each distribution period by all investors who choose to invest in
the Fund through the program and (2) provide Investor Services with appropriate
backup data for each investor participating in the program in a computerized
format fully compatible with Investor Services' processing system.
 
As further requirements for obtaining these special benefits, the Fund also
requires that all dividends and other distributions by the Fund be reinvested in
additional shares without any systematic withdrawal program. There will be no
minimum for reinvestments from unit investment trusts. The Fund will send
account activity statements to such participants on a quarterly basis only, even
if their investments are made more frequently. The Fund reserves the right to
modify or terminate this program at any time.
 
NET ASSET VALUE PURCHASE OPTIONS. 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 or directors of funds advised by Asset
    Management or Advisory Corp. and such persons' families and their beneficial
    accounts.
 
(2) Current or retired directors, officers and employees of Morgan Stanley Dean
    Witter & Co. and any of its subsidiaries, employees of an investment
    subadviser to any fund described in (1) above or an affiliate of such
    subadviser, and such persons' families and their beneficial accounts.
 
(3) Directors, officers, employees and, when permitted, registered
    representatives, of financial institutions that have a selling group
    agreement with the Distributor and their spouses and children under 21 years
    of age 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; provided that such purchases are otherwise
    permitted by such institutions.
 
(4) Registered investment advisers who charge a fee for their services, trust
    companies and bank trust departments investing on their own behalf or on
    behalf of their clients. The Distributor may pay authorized dealers through
    which purchases are made an amount up to 0.50% of the amount invested, over
    a 12-month period.
 
(5) Trustees and other fiduciaries purchasing shares for retirement plans which
    invest in multiple fund families through broker-dealer retirement plan
    alliance programs that have entered into agreements with the Distributor and
    which are subject to certain minimum size and operational requirements.
    Trustees and other fiduciaries should refer to the Statement of Additional
    Information for further details with respect to such alliance programs.
 
(6) Beneficial owners of shares of Participating Funds held by a retirement plan
    or held in a tax-advantaged retirement account who purchase shares of the
    Fund with proceeds from distributions from such a plan or retirement account
    other than distributions taken to correct an excess contribution.
 
(7) 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.
 
(8) Trusts created under pension, profit sharing or other employee benefit plans
    qualified under Section 401(a) of the Internal Revenue Code of 1986, as
    amended (the "Code"), or custodial accounts held by a bank created pursuant
    to Section 403(b) of the Code and sponsored by non-profit organizations
    defined under Section 501(c)(3) of the Code and assets held by
 
                                       15
 
                                       
<PAGE>   16
 
    an employer or trustee in connection with an eligible deferred compensation
    plan under Section 457 of the Code. Such plans will qualify for purchases at
    net asset value provided, for plans initially establishing accounts with the
    Distributor in the Participating Funds after February 1, 1997, that (1) the
    initial amount invested in the Participating Funds is at least $500,000 or
    (2) such shares are purchased by an employer sponsored plan with more than
    100 eligible employees. Such plans that have been established with a
    Participating Fund or have received proposals from the Distributor prior to
    February 1, 1997 based on net asset value purchase privileges previously in
    effect will be qualified to purchase shares of the Participating Funds at
    net asset value for accounts established on or before May 1, 1997. Section
    403(b) and similar accounts for which Van Kampen Trust Company serves as
    custodian will not be eligible for net asset value purchases based on the
    aggregate investment made by the plan or the number of eligible employees,
    except under certain uniform criteria established by the Distributor from
    time to time. Prior to February 1, 1997, a commission will be paid to
    authorized dealers who initiate and are responsible for such purchases
    within a rolling twelve-month period as follows: 1.00% on sales to $5
    million, plus 0.50% on the next $5 million, plus 0.25% on the excess over
    $10 million. For purchases on February 1, 1997 and thereafter, a commission
    will be paid as follows: 1.00% on sales to $2 million, plus 0.80% on the
    next $1 million, plus 0.50% on the next $47 million, plus 0.25% on the
    excess over $50 million.
 
(9) Individuals who are members of a "qualified group." For this purpose, a
    qualified group is one which (i) has been in existence for more than six
    months, (ii) has a purpose other than to acquire shares of the Fund or
    similar investments, (iii) has given and continues to give its endorsement
    or authorization, on behalf of the group, for purchase of shares of the Fund
    and Participating Funds, (iv) has a membership that the authorized dealer
    can certify as to the group's members and (v) satisfies other uniform
    criteria established by the Distributor for the purpose of realizing
    economies of scale in distributing such shares. A qualified group does not
    include one whose sole organizational nexus, for example, is that its
    participants are credit card holders of the same institution, policy holders
    of an insurance company, customers of a bank or broker-dealer, clients of an
    investment adviser or other similar groups. Shares purchased in each group's
    participants account in connection with this privilege will be subject to a
    contingent deferred sales charge of 1.00% in the event of redemption within
    one year of purchase, and a commission will be paid to authorized dealers
    who initiate and are responsible for such sales to each individual as
    follows: 1.00% on sales to $2 million, plus 0.80% on the next $1 million and
    0.50% on the excess over $3 million.
 
The term "families" includes a person's spouse, children under 21 years of age
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 Investor Services by the
investment adviser, trust company or bank trust department, provided that
Investor Services receives federal funds for the purchase by the close of
business on the next business day following acceptance of the order. An
authorized dealer 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. Authorized dealers will be paid a service fee as described on
purchases made as described in (3) through (9) 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.
 
                                 REDEMPTION OF
                                     SHARES
 
Generally shareholders may redeem for cash some or all of their shares without
charge by the Fund (other than applicable sales charge) at any time. As
described under the heading "Purchase of Shares," redemptions of Class B Shares
and Class C Shares may be subject to a contingent deferred sales charge. In
addition, certain redemptions of Class A Shares for shareholder accounts of $1
million or more may be subject to a contingent deferred sales charge.
Redemptions completed through an authorized dealer or a custodian of a
retirement plan account
 
                                       16
 
                                       
<PAGE>   17
 
may involve additional fees charged by the dealer or custodian.
 
Except as specified below under "Telephone Redemption Requests," payment for
shares redeemed generally will be made by check mailed within seven days after
acceptance by Investor Services 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. Such payment may, under certain
circumstances, be paid wholly or in part by a distribution-in-kind of portfolio
securities. If the shares to be redeemed have been recently purchased by check,
Investor Services may delay the redemption until it confirms the purchase check
has cleared, which may take up to 15 days. A taxable gain or loss will be
recognized by the shareholder upon redemption of shares.
 
WRITTEN REDEMPTION REQUESTS. Shareholders may request a redemption of shares by
written request in proper form sent directly to Van Kampen Investor Services
Inc., PO Box 418256, Kansas City, MO 64141-9256. The request for redemption
should indicate the number of shares to be redeemed, the class designation of
such shares and the shareholder's account number. The redemption request 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 30
days, signature(s) must be guaranteed by one of the following: a bank or trust
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. In the case of shareholders holding
certificates, the certificates for the shares being redeemed properly endorsed
for transfer 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 120 days must accompany the redemption request. IRA
redemption requests should be sent to the IRA custodian to be forwarded to
Investor Services. Contact the IRA custodian for further information.
 
In the case of written redemption requests sent directly to Investor Services,
the redemption price is the net asset value per share next determined after the
request in proper form is received by Investor Services.
 
AUTHORIZED DEALER REDEMPTION REQUESTS. Shareholders may place redemption
requests through an authorized dealer. Orders sent through authorized dealers
must be at least $500 (unless transmitted by your authorized dealer via the
FUNDSERV network). The redemption price for such shares is the net asset value
per share next calculated after an order in proper form is received by an
authorized 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
authorized dealers to transmit redemption requests received by them to the
Distributor so they will be received prior to such time. Redemptions completed
through an authorized dealer may involve additional fees charged by the dealer.
 
TELEPHONE REDEMPTION REQUESTS. The Fund permits redemption of shares by
telephone and for redemption proceeds to be 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 accompanying this prospectus or call the Fund at (800) 341-2911
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 Investments, Investor Services 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 Investments, Investor Services nor the Fund will be liable
for following telephone instructions which it reasonably believes to be genuine.
Telephone redemptions may not be available if the shareholder cannot
 
                                       17
 
                                       
<PAGE>   18
 
reach Investor Services 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 other redemption procedure previously described. Requests received by
Investor Services prior to 4:00 p.m., New York time, will be processed at the
next determined net asset value per share. These privileges are available for
all accounts other than retirement accounts or accounts with shares represented
by certificates. If an account has multiple owners, Investor Services may rely
on the instructions of any one owner.
 
For redemptions authorized by telephone, amounts of $50,000 or less may be
redeemed daily if the proceeds are to be paid by check and amounts of at least
$1,000 up to $1 million may be redeemed daily if the proceeds are to be paid by
wire. 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 30 days prior to a telephone redemption request. Proceeds from
redemptions payable by wire transfer 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.
 
OTHER REDEMPTION INFORMATION. The Fund may redeem shares of any shareholder
account that has a value on the date of the notice of redemption less than the
minimum initial investment as specified in this prospectus. At least 60 days
advance written notice of any such involuntary redemption will be given and the
shareholder will be given an opportunity to purchase the required value of
additional shares at the next determined net asset value without sales charge.
Any involuntary redemption may only occur if the shareholder account is less
than the minimum initial investment due to shareholder redemptions.
 
                          DISTRIBUTIONS FROM THE FUND
 
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. Investors will be entitled to begin receiving
dividends on their shares on the business day after Investor Services receives
payment for such shares. However, shares become entitled to dividends on the day
Investor Services receives payment for the shares either through a fed wire or
NSCC settlement. Shares remain entitled to dividends through the day such shares
are processed for payment on redemption.
 
DIVIDENDS. Dividends from stocks and interest earned from other investments are
the Fund's main sources of income. Substantially all of this income, less
expenses, is distributed quarterly as dividends to shareholders. Dividends are
automatically applied to purchase additional shares of the Fund at the next
determined net asset value unless the shareholder instructs otherwise.
 
The per share dividends on Class B Shares and Class C Shares may be lower than
the per share dividends on Class A Shares as a result of the higher distribution
fees and transfer agency costs 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 purchase prices. Net realized capital gains represent the total
profit from sales of securities minus total losses from sales of securities
including losses carried forward from prior years. The Fund distributes any
taxable net realized capital gains to shareholders at least annually. As in the
case of dividends, capital gains distributions are automatically reinvested in
additional shares of the Fund at net asset value unless the shareholder
instructs otherwise.
 
                              SHAREHOLDER SERVICES
 
Listed below are some of the shareholder services the Fund offers to investors.
For a more complete description of the Fund's shareholder services, such as
investment accounts, share certificates, retirement plans, automated clearing
house deposits, dividend diversification and the systematic withdrawal plan,
please refer to the Statement of Additional Information or contact your
authorized dealer.
 
REINVESTMENT PLAN. A convenient way for investors to accumulate additional
shares is by accepting
 
                                       18
 
                                       
<PAGE>   19
 
dividends and capital gains distributions in shares of the Fund. Such shares are
acquired at net asset value per share (without sales charge) on the applicable
payable date of the dividend or capital gains distribution. Unless the
shareholder instructs otherwise, the reinvestment plan is automatic. This
instruction may be made by telephone by calling (800) 341-2911 ((800) 421-2833
for the hearing impaired) or by writing to Investor Services. 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 Investor Services to charge a bank account on a
regular basis to invest pre-determined amounts in the Fund. Additional
information is available from the Distributor or your authorized dealer.
 
EXCHANGE PRIVILEGE. Shares of the Fund may be exchanged for shares of the same
class of any Participating Fund based on the next computed net asset value per
share of each fund after requesting the exchange without any sales charge,
subject to certain limitations. Shares of the Fund may be exchanged for shares
of any Participating Fund only 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. Shareholders seeking an exchange into a Participating Fund
should obtain and read the current prospectus for such fund.
 
When Class B Shares and Class C Shares are exchanged among Participating Funds,
the holding period for purposes of computing the contingent deferred sales
charge is based upon the date of the initial purchase of such shares from a
Participating Fund. If such Class B Shares or Class C Shares are redeemed and
not exchanged for shares of another Participating Fund, Class B Shares and Class
C Shares are subject to the contingent deferred sales charge schedule imposed by
the Participating Fund from which such shares were originally purchased.
 
Exchanges of shares are sales and may result in a gain or loss for federal
income tax purposes. If the shares exchanged have been held for less than 91
days, the sales charge paid on such shares is carried over and included in the
tax basis of the shares acquired.
 
A shareholder wishing to make an exchange may do so by sending a written request
to Investor Services 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 accompanying the prospectus. Van
Kampen Investments and its subsidiaries, including Investor Services, 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 Investments, Investor Services nor
the Fund will be liable for following telephone instructions which it reasonably
believes to be genuine. 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 dividend
diversification) and authorized 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
submit a specific request. The Fund reserves the right to reject any order to
acquire its shares through exchange. In addition, the Fund may modify, restrict
or terminate the exchange privilege at any time on 60 days' notice to its
shareholders of any termination or material amendment.
 
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 such shareholder's securities, the
security upon which the highest sales 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
 
                                       19
 
                                       
<PAGE>   20
 
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 Participating 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.
 
INTERNET TRANSACTIONS. In addition to performing transactions on your account
through written instruction or by telephone, you may also perform certain
transactions through the internet. Please refer to our web site at
www.vankampen.com for further instruction. Van Kampen Investments, Investor
Services and the Fund employ procedures considered by them to be reasonable to
confirm that instructions communicated through the internet are genuine. Such
procedures include requiring use of a personal identification number prior to
acting upon internet instructions and providing written confirmation of
instructions communicated through the internet. If reasonable procedures are
employed, neither Van Kampen Investments, Investor Services nor the Fund will be
liable for following instructions through the internet which it reasonably
believes to be genuine. If an account has multiple owners, Investor Services may
rely on the instructions of any one owner.
 
                            FEDERAL INCOME TAXATION
 
Distributions of the Fund's net investment income (consisting generally of
taxable income and net short-term capital gains) are taxable to shareholders as
ordinary income to the extent of the Fund's earnings and profits, whether paid
in cash or reinvested in additional shares. Distributions of the Fund's net
capital gains (which are the excess of net long-term capital gains over net
short-term capital losses) as capital gain dividends, if any, are taxable to
shareholders as long-term capital gains, whether paid in cash or reinvested in
additional shares, and regardless of how long the shares of the Fund have been
held by such shareholders. Such capital gain dividends may be taxed at different
rates depending on how long the Fund held the securities. Consistent with the
Fund's investment objective, the Fund expects that its distributions will
consist of ordinary income and capital gain dividends. Distributions in excess
of the Fund's earnings and profits will first reduce the adjusted tax basis of a
holder's shares and, after such adjusted tax basis is reduced to zero, will
constitute capital gains to such holder (assuming such shares are held as a
capital asset). Although distributions generally are treated as taxable in the
year they are paid, distributions declared in October, November or December,
payable to shareholders of record on a specified date in such month and paid
during January of the following year will be treated as having been distributed
by the Fund and received by the shareholders on the December 31st prior to the
date of payment. The Fund will inform shareholders of the source and tax status
of all distributions promptly after the close of each calendar year.
 
The sale or exchange of shares is a taxable transaction for federal income tax
purposes. Shareholders who sell their shares will generally recognize gain or
loss in an amount equal to the difference between their adjusted tax basis in
the shares and the amount received. If such shares are held as a capital asset,
the gain or loss will be a capital gain or loss. Any capital gains may be taxed
at different rates depending on how long the shareholder held his shares.
 
The Fund is required, in certain circumstances, to withhold 31% of dividends and
certain other payments, including redemptions, paid to shareholders who do not
furnish to the Fund their correct taxpayer identification number (in the case of
individuals, their social security number) and certain required certifications
or who are otherwise subject to backup withholding.
 
Foreign shareholders, including shareholders who are non-resident aliens, may be
subject to United States withholding tax on certain distributions (whether
received in cash or in shares) at a rate of 30% or such lower rate as prescribed
by an applicable treaty. Prospective foreign investors should consult their
United States tax advisers concerning the tax consequences to them of an
investment in shares.
 
The Fund intends to qualify as a regulated investment company under the federal
income tax law. If the
 
                                       20
 
                                       
<PAGE>   21
 
Fund so qualifies and distributes each year to its shareholders at least 90% of
its net investment income, the Fund will not be required to pay federal income
taxes on any income it distributed to shareholders. If the Fund distributes less
than the sum of 98% of its ordinary income and 98% of its capital gain net
income, then the Fund will be subject to a 4% excise tax on the undistributed
amounts.
 
The federal income tax discussion above is for general information only.
Prospective investors should consult their own tax advisers regarding the
specific federal tax consequences of purchasing, holding, exchanging or selling
shares, as well as the effects of state, local and foreign tax law and any
proposed tax law changes.
 
                                       21
 
                                      
<PAGE>   22
 
                              FINANCIAL HIGHLIGHTS
 
The financial highlights table is intended to help you understand the Fund's
financial performance for the past five years. Certain information reflects
financial results for a single Fund share. The total returns in the table
represent the rate that an investor would have earned (or lost) on an investment
in the Fund (assuming reinvestment of all dividends and distributions). This
information has been audited by PricewaterhouseCoopers LLP, independent
accountants, whose report, along with the Fund's financial statements, is
included in the Statement of Additional Information and may be obtained by
shareholders without charge by calling the telephone number on the back cover of
this prospectus. This information should be read in conjunction with the
financial statements and notes thereto included in the Statement of Additional
Information.
<TABLE>
<CAPTION>
                                                             Class A Shares                            Class B Shares
                                                        Year Ended November 30,                    Year Ended November 30,
                                              1998      1997      1996      1995     1994         1998      1997      1996
- ----------------------------------------------------------------------------------------------------------------------------
<S>                                          <C>       <C>       <C>       <C>      <C>          <C>       <C>       <C>
Net Asset Value, Beginning of the
  Period...............................      $18.716   $16.786    $14.81   $12.26    $14.08      $18.630   $16.721    $14.77
                                             -------   -------   -------   ------   -------      -------   -------   -------
  Net Investment Income................         .200      .226      .243      .28       .29         .071      .097      .142
  Net Realized and Unrealized
    Gain/Loss..........................        2.441     3.032     2.851    3.455    (.1025)       2.426     3.020     2.827
                                             -------   -------   -------   ------   -------      -------   -------   -------
 
Total from Investment Operations.......        2.641     3.258     3.094    3.735     .1875        2.497     3.117     2.969
 
Less:
  Distributions from Net Investment
    Income.............................         .230      .230      .250    .2925       .27         .110      .110      .150
  Distributions from Net Realized
    Gain...............................        2.245     1.098      .868    .8925    1.7375        2.245     1.098      .868
                                             -------   -------   -------   ------   -------      -------   -------   -------
Total Distributions....................        2.475     1.328     1.118    1.185    2.0075        2.355     1.208     1.018
                                             -------   -------   -------   ------   -------      -------   -------   -------
 
Net Asset Value, End of the Period.....      $18.882   $18.716   $16.786   $14.81    $12.26      $18.772   $18.630   $16.721
                                             =======   =======   =======   ======   =======      =======   =======   =======
 
Total Return(a)........................       16.21%    21.27%    22.35%   33.34%     1.21%       15.38%    20.37%    21.38%
Net Assets at End of the Period (In
  millions)............................       $901.3    $773.3    $584.6   $381.6    $205.4       $442.4    $340.8    $210.3
Ratio of Expenses to Average Net
  Assets(b)............................         .92%      .94%     1.04%    1.15%     1.16%        1.69%     1.72%     1.83%
Ratio of Net Investment Income to
  Average Net Assets(b)................        1.13%     1.33%      1.68    2.24%     2.25%         .36%      .55%      .89%
Portfolio Turnover.....................          76%       94%      110%     108%      102%          76%       94%      110%
 
<CAPTION>
                                                Class B Shares                         Class C Shares
                                             Year Ended November 30,              Year Ended November 30,
                                                  1995     1994         1998      1997      1996      1995     1994
- ----------------------------------------------------------------------------------------------------------------------------
<S>                                              <C>      <C>          <C>       <C>       <C>       <C>      <C>
Net Asset Value, Beginning of the
  Period...............................          $12.25    $14.07      $18.643   $16.734    $14.78   $12.26    $14.07
                                                 ------   -------      -------   -------   -------   ------   -------
  Net Investment Income................             .17       .17         .072      .096      .139      .18       .17
  Net Realized and Unrealized
    Gain/Loss..........................           3.455    (.1025)       2.419     3.021     2.833    3.445    (.0925)
                                                 ------   -------      -------   -------   -------   ------   -------
Total from Investment Operations.......           3.625     .0675        2.491     3.117     2.972    3.625     .0775
Less:
  Distributions from Net Investment
    Income.............................           .2125       .15         .110      .110      .150    .2125       .15
  Distributions from Net Realized
    Gain...............................           .8925    1.7375        2.245     1.098      .868    .8925    1.7375
                                                 ------   -------      -------   -------   -------   ------   -------
Total Distributions....................           1.105    1.8875        2.355     1.208     1.018    1.105    1.8875
                                                 ------   -------      -------   -------   -------   ------   -------
Net Asset Value, End of the Period.....          $14.77    $12.25      $18.779   $18.643   $16.734   $14.78    $12.26
                                                 ======   =======      =======   =======   =======   ======   =======
Total Return(a)........................          32.15%      .36%       15.37%    20.28%    21.43%   32.23%      .36%
Net Assets at End of the Period (In
  millions)............................           $98.4     $18.5        $45.6     $35.5     $22.1    $10.4      $3.5
Ratio of Expenses to Average Net
  Assets(b)............................           1.99%     2.02%        1.69%     1.72%     1.83%    1.97%     2.01%
Ratio of Net Investment Income to
  Average Net Assets(b)................           1.25%     1.51%         .36%      .55%      .89%    1.35%     1.50%
Portfolio Turnover.....................            108%      102%          76%       94%      110%     108%      102%
</TABLE>
 
(a) Total Return is based upon Net Asset Value which does not include payment of
    maximum sales charge or contingent deferred sales charge.
(b) For the years ended November 30, 1995 and 1997, the impact on the Ratios of
    Expenses and Net Investment Income to Average Net Assets due to the
    Adviser's reimbursement of certain expenses was less than 0.01%.
 
                                       22
<PAGE>   23
 
                              FOR MORE INFORMATION
 
                 EXISTING SHAREHOLDERS OR PROSPECTIVE INVESTORS
                       Call your broker or (800) 341-2911
           7:00 a.m. to 7:00 p.m. Central time Monday through Friday
 
                                    DEALERS
 For dealer information, selling agreements, wire orders, or redemptions, call
                       the Distributor at (800) 421-5666
 
                     TELECOMMUNICATIONS DEVICE FOR THE DEAF
 For shareholder and dealer inquiries through Telecommunications Device for the
                        Deaf (TDD), call (800) 421-2833
 
                                  FUND INFO(R)
             For automated telephone services, call (800) 847-2424
 
                                    WEB SITE
                               www.vankampen.com
 
                       VAN KAMPEN GROWTH AND INCOME FUND
                                1 Parkview Plaza
                                  PO Box 5555
                        Oakbrook Terrace, IL 60181-5555
 
                               Investment Adviser
 
                        VAN KAMPEN ASSET MANAGEMENT INC.
                                1 Parkview Plaza
                                  PO Box 5555
                        Oakbrook Terrace, IL 60181-5555
 
                                  Distributor
 
                             VAN KAMPEN FUNDS INC.
                                1 Parkview Plaza
                                  PO Box 5555
                        Oakbrook Terrace, IL 60181-5555
 
                                 Transfer Agent
 
                       VAN KAMPEN INVESTOR SERVICES INC.
                                 PO Box 418256
                           Kansas City, MO 64141-9256
                    Attn: Van Kampen Growth and Income Fund
 
                                   Custodian
 
                      STATE STREET BANK AND TRUST COMPANY
                     225 West Franklin Street, PO Box 1713
                             Boston, MA 02105-1713
                    Attn: Van Kampen Growth and Income Fund
 
                                 Legal Counsel
 
                SKADDEN, ARPS, SLATE, MEAGHER & FLOM (ILLINOIS)
                             333 West Wacker Drive
                               Chicago, IL 60606
 
                            Independent Accountants
 
                           PRICEWATERHOUSECOOPERS LLP
                            200 East Randolph Drive
                               Chicago, IL 60601
<PAGE>   24
 
                                  VAN  KAMPEN
                           GROWTH  AND  INCOME  FUND
 
                                   PROSPECTUS
                                 MARCH 30, 1999
 
                 A Statement of Additional Information, which
                 contains more details about the Fund, is
                 incorporated by reference in its entirety into
                 this prospectus.
 
                 You will find additional information about the
                 Fund in its annual and semiannual reports,
                 which explain the market conditions and
                 investment strategies affecting the Fund's
                 recent performance.
 
                 You can ask questions or obtain a free copy of
                 the Fund's reports or its Statement of
                 Additional Information by calling (800)
                 341-2911 from 7:00 a.m. to 7:00 p.m., Central
                 time, Monday through Friday.
                 Telecommunications Device for the Deaf users
                 may call (800) 421-2833. A free copy of the
                 Fund's reports can also be ordered from our
                 web site at www.vankampen.com.
 
                 Information about the Fund, including its
                 reports and Statement of Additional
                 Information, has been filed with the
                 Securities and Exchange Commission (SEC). It
                 can be reviewed and copied at the SEC Public
                 Reference Room in Washington, DC or online at
                 the SEC's web site (http://www.sec.gov). For
                 more information, please call the SEC at (800)
                 SEC-0330. You can also request these materials
                 by writing the Public Reference Section of the
                 SEC, Washington DC, 20549-6009, and paying a
                 duplication fee.
 
                            [VAN KAMPEN FUNDS LOGO]
 
                   Investment Company Act File No. 811-1228.
                                                                     GI PRO 3/99


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