I - Tailored Blanks value proposal. 2 - Stamping of tailor. welded blanks. í í í. í í. Total cost of the function. Weight. Shock tower.

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2 6 7 Weight In-service performance Technical performance Total cost of the function í í í A-pillar Front fender inner Side member B-pillar Shock tower í í í Seat cross member Front rail Floor panel Tailgate Body side inner Front door Rear door 2 - Stamping of tailor welded blanks

3 8 9 Monolithic Scrap Tailor welded blank Scrap Nesting of tailor welded blank + Monolithic post assembly solution LWB solution with same technical properties + Inner panel Hinge + reinforcement = LWB solution 2 blanks / cycle 8 blanks / cycle Thickness 0.7 mm Steel grade ArcelorMittal 04 HG Thickness 1.75 mm Steel grade ArcelorMittal 04 HG Thickness 0.65 mm Steel grade ArcelorMittal 04 HG Thickness 1.5 mm Steel grade ArcelorMittal 04 HG

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5 Total cost index Monolithic post-assembled solution Total cost comparison 1 2b - 2a 3 4b - 4a 5 6 Material Cutting Stamping Assembly LWB solution At equivalent technical performance: - cost saving of 5% - weight saving of 1kg/part Typical part manufacturing process without tailor welded blanks 2a 3 4a 5 1 Cutting Cutting Stamping Stamping Assembly of components In-line assembly 95 WCR Transportation costs Transportcost Le s rot Intermediate inventory decrease Manufacturing process with tailor welded blanks Cash out Cash out Cash in Cash in 2b 4b 6 Stamping Cycle time improvement y y /y In-line assembly Flow management improvement N.B.: the much shorter lead time between cash out and cash in which significantly reduces working capital requirements. WCR Working Capital improvement

6 14 15 Overlap of approx. 20 mm Butt laser weld line without any overlap

7 HSS introduction 9 4 LWB linked with HSS 8 LWB linked with VHSS 4 LWB with UHSS 14 MS HSS VHSS UHSS 300 mm Strong zone Spot weld Laser weld 1 0 = 14 TWB mm uctile zone + Safety + Cost reduction 80 mm Weight

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9 20 21 W eight saving due to reduced thickness Improved crash resistance Resistance to peak loads Integration of functions Material saving by nesting ol of deformation zones eased stiffness by continuous welds A full range of weldable AHSS Integration of functions Material saving by nesting ol of deformation zones eased stiffness by continuous welds LWB LWB in AHSS Material savings are enhanced when the price for the steel is high Even more functions can be integrated ength and fo rmability in one part Q / HSS <450MPa Multi phase ual phase TRIP uctibor Usibor Q / HSS<450 Multiphase ualphase TRIP uctibor Usibor Level < / / < / Fulfill all conventional technical requirements 600 edicated ArcelorMittal Tailored Blanks process required 800/

10 22 23 UTS (MPa) Usibor 1500P 1.47mm + Usibor 1500P 1.47mm EI (%) /1.47 Conventional ArcelorMittal Tailored Blanks 1.47/1.47 process dedicated process UTS (MPa) EI (%)

11 24 25 Pillars Front rails Rear rails Roof reinforcement Body side Bumper Beam Tunnel reinforcement oor ring 1 2 Rear impact intrusion Weight of the perimeter Reference Tailored Blanks proposal Illustration: courtesy of Volkswagen SuperLightCar European project 1 HSS T: 2.0mm - 38 % in weight kg / vehicle No cost penalty 2 2 Usibor 1500P T: 1.2mm uctibor 500P T: 1.5mm

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13 28 29 A-pillar Front fender inner Cross member B-pillar Rear rails Shock tower Side member Roof reinforcement Tailgate Wheel house Engine cradle cross member Seat cross member Body side Bumper reinforcement Tunnel reinforcement Front rail Front door Rear door Increased stiffness contribution No nesting losses Lighter finished part Less visible weld line in finished part Floor panel Less weld displacement during stamping

14 30 31 Front fender inner A-pillar upper reinforcement Roof rail A-pillar lower reinforcement Post assembled window frame No nesting losses, efficient welding

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16 34 35 A B

17 parts 37 % engaged material savings 1.0 mm 2.0 mm 1.5 mm 2.0 mm Weld hidden by wrap-over door

18 38 39 Integration of tunnel reinforcementsnts Integration of cross membermber closing plate

19 40 41 Cross member Engine cradle cross member A-pillar H B-pillar Rear rails Side member Shock tower Roof reinforcement Tailgate Wheel house Body side Bumper reinforcement Seat cross member Front rail Rear door Floor panel Front door H H E USIBOR 1500P/UCTIBOR 500P TRIP MULTIPHASE UAL PHASE HSS Q Extragal TM TWB parts Tunnel reinforcement H E E E E E Body side outer oor inner Body side outer Tailgate Rail and side member B-Pillar Body side inner Wheel house Front fende inner Bumper beam Floor panel Shock tower Roof reinforcement Cross members Fire wall / dash panel Crash resistance contribution Net weight potential gain on the same functional perimeter Weight (%)