<PAGE> 1
Class A, B and C Shares of:
AIM CONSTELLATION FUND
Supplement dated September 28, 1999
To the Prospectus dated March 1, 1999,
As revised August 11, 1999
Effective December 1, 1999, the following replaces in its entirety the second
paragraph appearing under the heading "INVESTMENT OBJECTIVE AND STRATEGIES" on
page 1 of the prospectus:
"The fund seeks to meet this objective by investing principally in
common stocks of companies the portfolio managers believe are likely
to benefit from new or innovative products, services or processes as
well as those that have experienced above-average, long-term growth
in earnings and have excellent prospects for future growth. The
portfolio managers consider whether to sell a particular security
when it no longer meets these criteria. The fund may also invest up
to 20% of its total assets in foreign securities."
<PAGE> 2
Institutional Classes of
AIM Charter Fund
AIM Constellation Fund
AIM Weingarten Fund
Supplement dated September 28, 1999
to the Prospectus dated March 1, 1999,
as supplemented March 15, 1999 and May 12, 1999
This supplement supersedes and replaces in its entirety the supplements dated
March 15, 1999 and May 12, 1999.
Effective December 1, 1999, the following replaces in its entirety the second
paragraph appearing under the heading "INVESTMENT OBJECTIVES AND STRATEGIES -
AIM CONSTELLATION FUND (CONSTELLATION)" on page 1 of the prospectus:
"The fund seeks to meet this objective by investing principally in common
stocks of companies the portfolio managers believe are likely to benefit
from new or innovative products, services or processes as well as those
that have experienced above-average, long-term growth in earnings and
have excellent prospects for future growth. The portfolio managers
consider whether to sell a particular security when it no longer meets
these criteria."
The following paragraph replaces the second paragraph under the heading
"INVESTMENT OBJECTIVES AND STRATEGIES - AIM CHARTER FUND (CHARTER)" on page 1
of the prospectus:
"The fund seeks to meet these objectives by investing at least 65% of its
net assets in income-producing securities, including dividend-paying
common stocks and convertible securities. The fund's portfolio managers
purchase securities of established companies that have long-term
above-average growth in earnings and dividends, and growth companies that
they believe have the potential for above-average growth in earnings and
dividends. The fund's portfolio managers consider whether to sell a
particular security when they believe the security no longer has that
potential or the capacity to generate income."
Effective May 12, 1999, the following replaces in its entirety the information
appearing under the heading "FUND MANAGEMENT - PORTFOLIO MANAGERS -
CONSTELLATION" on page 5 of the prospectus:
"o Robert M. Kippes, Senior Portfolio Manager, who has been
responsible for the fund since 1993 and has been associated with
the advisor and/or its affiliates since 1989.
o Charles D. Scavone, Senior Portfolio Manager, who has been
responsible for the fund since 1996 and has been associated with
the advisor and/or its affiliates since 1996. From 1994 to 1996, he
was Associate Portfolio Manager for Van Kampen American Capital
Asset Management, Inc.
o David P. Barnard, Senior Portfolio Manager, who has been
responsible for the fund since 1990 and has been associated
with the advisor and/or its affiliates since 1982.
o Kenneth A. Zschappel, Senior Portfolio Manager, who has been
responsible for the fund since 1996 and has been associated with
the advisor and/or its affiliates since 1990.
o Christopher P. Perras, Portfolio Manager, who has been responsible
for the fund since 1999 and has been associated with the advisor
and/or its affiliates since 1999. From 1997 to 1999, he was an
equity analyst at Van Wagoner Capital Management. From 1995 to
1997, he was an Associate Portfolio Manager for Van Kampen
American Capital Asset Management, Inc."
The following paragraph replaces the paragraph under the heading "OTHER
INFORMATION - DIVIDENDS AND DISTRIBUTIONS - DIVIDENDS" on page 6 of the
prospectus:
"The funds generally declare and pay dividends, if any, annually, with
respect to Constellation and Weingarten, and quarterly, with respect to
Charter. Following Charter's June 1999 quarterly dividend, the fund will
begin declaring and paying dividends, if any, annually."