<PAGE> 1
CLASS A AND CLASS B SHARES OF
AIM GLOBAL HEALTH CARE FUND
(A SERIES PORTFOLIO OF AIM INVESTMENT FUNDS)
Supplement dated October 16, 1998
to the Prospectus dated September 8, 1998
Effective October 19, 1998, INVESCO (NY), Inc. will resign as sub-advisor and
sub-administrator to AIM Global Health Care Fund (the "Fund"). A I M Advisors,
Inc. will continue to serve as the manager and administrator for the Fund.
<PAGE> 2
ADVISOR CLASS OF
AIM GLOBAL HEALTH CARE FUND
(A SERIES PORTFOLIO OF AIM INVESTMENT FUNDS)
Supplement dated October 16, 1998
to the Prospectus dated September 8, 1998
Effective October 19, 1998, INVESCO (NY), Inc. will resign as sub-advisor and
sub-administrator to AIM Global Health Care Fund (the "Fund"). A I M Advisors,
Inc. will continue to serve as the manager and administrator for the Fund.