Bridgestone Motorsport’s 60th Anniversary

Technology for Excellence

March 10, 2023

Bridgestone Corporation
Senior Vice President and Executive Officer, Global CTO

Masato Banno

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Bridgestone Motorsport

Technology for excellence

Inspiring excitement& spreading joy

Supporting motorsports
culture development

Sustainablepremium tires

Sustainablesolutions company

Sustainable global motorsports Accelerator for sustainable premium tire development & innovation
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Creating motorsports tires

Tires carry life

Extreme conditions

Thorough testing“Developing talent”“Refining technology”

Mastering

What motorsports represents for Bridgestone:“Developing talent” and “refining technology” through the challenge for excellence
3/9Motorsports for race “victories” – Developing talent –Challenge for excellence

Developing engineers

Refine Bridgestone DNA in extreme conditions

Foster professionalism

ElevateSensibility“Focus on quality”“Respect for being on-site”“Challenging spirit”

ElevateIntellect“Teamwork”

Commit tovictory

Ability to act based onstrong will and passion

Endless inquiring mind
Well-honed decisivenessTo be faster and stronger

Enabling “diverse talent to shine” through the challenge for excellence
4/9Motorsports for race “victories” - Mastering rubber & mastering road contact Bridgestone 2.0
SeeAnalyze

Rubber design on nano-level

Bridgestone 3.0
ManageMastering rubber under extreme conditions

Evolution ofevaluation technology

Evolution of polymer
composite technology

Material and compound
simulation

Challenge for excellence, further refine technology

Mastering road contact under extreme conditions
Pursuit of grip

Material Informatics with AI

Create innovative materials

Design polymer composite on nano-level

Support motorsports

RealDigital

RefineGrounding condition simulation on theultimate condition

Bridgestone’s original evaluation technology
which enables visualizing the invisible

Evolution ofevaluation technology

Prediction technology

Dan-Totsu
motorsports tires
Pursuing “speed” and ”trust”

Realize tire creation for victory, by further refining technology
through the challenge for excellence
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A new challenge for excellence – Sustainability –Testing under extreme conditions

Expand technology toreplacement tires

Refine technology

Gather sustainable tire technologies

Sustainable technologies
Applying cutting-edge technology developedin motorsports to replacement tires

Image

Silica from rice husks

reinforcing fiber for tires

Recovered carbon black/recycled rubberGuayule

diversification of natural
rubber sources

Refine sustainable technologies through the challenge for excellence
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Pursuing excellence in sustainability
1. Reduce resources(Reduce)

Refine lightweight and wear technology

Refine recycling technology

2. Circulate resources(Reuse, Recycle)

Tire to Rubber
Tire to Raw Material
Ex. New race tires bornfrom used race tires

3. Enhance and diversify
renewable material

Refine natural rubber and guayule technology

Refine sustainable technologies through the challenge for excellence
7/9Demonstrate sustainable technologies in extreme conditions
INDY tire development

Expand technology to replacement tires

Supplying tires derived from guayule“Creation of a new premium”

BWSC Tire development
Race specification for 2023

MCN*

Achieve both environmental and driving performance60

toward a sustainable global premium brandRace concept tire development
Concept tire for four-wheels

MCN*

70

Confirmed lap time, wear performanceand durability sufficient for races throughdevelopment test racing using touring car vehicles

Concept tire for motorcycles

MCN*

50

*MCN: Material circularity number (recycled & renewable material ratio)

Excel in sustainable premium tire development
through sustainable global motorsports activities
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Creating motorsports tires

Tires carry life

Extreme conditions

Thorough testing“Developing talent”“Refining technology”

Mastering

What motorsports represents for Bridgestone:“Developing talent” and “refining technology” through the challenge for excellence
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