IDEX SERIES FUND
SUPPLEMENT DATED AUGUST 3, 1998 TO PROSPECTUS DATED MARCH 1, 1998
AS SUPPLEMENTED JUNE 25, 1998, MAY 22, 1998 and MARCH 31, 1998
The following replaces the table under the heading "Class B Share Dealer
Reallowances" on page 39 of the Prospectus:
Effective August 3, 1998, the Class B Share Dealer Reallowances for all
Portfolios of the IDEX Series Fund will be 5%, for all amounts of Class B shares
purchased by new or existing Class B shareholders.
This charge does not affect the charges or fees paid by purchasers of Class B
shares.
