1. 1 North America Trailer Products November 2003 LITEFLEX ® Truck Applications Since 1992 Kenworth / Peterbilt Since 1998 International Truck

2. 2 North America Trailer Products November 2003 Today’s Truck Products Current springs capacity  12K lbs per axle Weight savings and durability improvement 50-75% lighter than steel depending on the application Does not rust or lose strength with age, maintain vehicle ride height throughout the life of the vehicle Safe Non-catastrophic springs fail when overstressed, allowing the vehicle to be driven to a repair facility. Warranty Months0 – 1212 - 36 Mileage0 – 100.000100,000 – 300,000 Coverage Offered100% Parts & Labor100% Parts

3. 3 North America Trailer Products November 2003 Today’s Truck Products Truck Parts OEM Part NumberOEM NameArvinMeritor Truck Model 3566982C91InternationalA3176E1045 9100i, 9200i, 9400i 3512126C1InternationalA3176N1028 9100i, 9200i, 9400i 22112570Kenworth A3176P1030 T600, T800 22146325Kenworth A3176Q1031 T600, T800 22216056 Kenworth A3176F1046 T600, T800 02-02577 PeterbiltA3176R1032 385, 387 A16-14680-000 FreightlinerA3176L1052 Columbia, Century A16-14680-001 FreightlinerA3176M1053 Columbia, Century