MARK IV INDUSTRIES, INC. Prospectus Supplement dated September 10, 1998 to the Prospectus dated February 13, 1998 The Selling Holders table contained on pages 16-18 of the Prospectus is hereby supplemented to include additional Selling Holders as indicated in the following table: Aggregate Number of Shares Principal Amount of Common Stock of Notes Owned Issuable Upon Name of Selling and That May be Conversion of Holder Sold Notes That May be Sold - ------------------- ------------------- ------------------------ Sage Capital (1) $1,300,000 39,619 - ------------------------- (1) Amended information to Prospectus Supplement dated August 31, 1998.