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CAPITAL MARKETS DAY October 6, 2025 Side comments to check in v59 BENOIT BAZIN Chairman & Chief Executive Officer MAUD THUAUDET Chief Financial Officer
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OPENING A NEW CHAPTER TO ACCELERATE PROFITABLE GROWTH THE WORLDWIDE LEADER IN LIGHT & SUSTAINABLE CONSTRUCTION CAPITAL MARKETS DAY – OCTOBER 6, 20252
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THE WORLDWIDE LEADER IN LIGHT & SUSTAINABLE CONSTRUCTION #1 IN EUROPE #1 IN NORTH AMERICA #1 IN AUSTRALIA #1 IN MIDDLE EAST #1 IN LATIN AMERICA #1 IN INDIA CAPITAL MARKETS DAY – OCTOBER 6, 20253 #1 IN LIGHT BUILDING MATERIALS Leveraging LOCAL-FOR-LOCAL LEADERSHIP To grow across both MATURE AND EMERGING markets
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LEVERAGING LEADERSHIP TO UNLEASH GROWTH POTENTIAL EXECUTE WITH GROWTH COMPOUNDING COUNTRY PLATFORMS AND STRONG LOCAL LEADERS 15 - 18% EBITDA MARGIN MID-SINGLE-DIGIT SALES GROWTH1 >50% FREE CASH FLOW CONVERSION RATIO SCALE AN UNMATCHED BREADTH OF VALUE-ENHANCING SOLUTIONS FOR CUSTOMERS EXPAND FROM RESIDENTIAL TO NON-RESIDENTIAL & INFRASTRUCTURE 1. On average in local currencies, excluding any major economic slowdown and/or major divestment OUTPERFORMING MARKETS BY 1-2PTS 2026-2030 TARGETS CAPITAL MARKETS DAY – OCTOBER 6, 20254
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GROWING MARKETS WITH UNTAPPED OPPORTUNITIES1
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LIGHT & SUSTAINABLE CONSTRUCTION IS DRIVEN BY POWERFUL MEGATRENDS ENERGY-EFFICIENT RENOVATION BUILDING & INFRASTRUCTURE ADAPTATION TO CLIMATE CHANGE RESOURCE SCARCITY DRIVING CIRCULARITY POPULATION GROWTH AND URBANIZATION MIDDLE-CLASS ASPIRATION FOR QUALITY BUILDINGS LOCALIZATION AND RESHORING DRIVEN BY DEGLOBALIZATION CAPITAL MARKETS DAY – OCTOBER 6, 20256
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MEGATRENDS TRANSLATE INTO VAST LOCAL GROWTH DRIVERS WESTERN EUROPE NORTH AMERICA ASIA & OTHER HIGH-GROWTH COUNTRIES Market RECOVERY notably to address HOUSING CRISIS ENERGY RENOVATION, GREEN VALUE & ADAPTATION TO CLIMATE CHANGE Upcoming investment in INFRASTRUCTURE AND DEFENSE HOUSING SHORTAGES Must-have RENOVATION & ADAPTATION TO CLIMATE CHANGE RESHORING and INFRASTRUCTURE NEED POPULATION GROWTH & URBANIZATION Expanding MIDDLE-CLASS & economic development Ambitious URBAN DEVELOPMENT PROGRAMS fostering INFRASTRUCTURE GROWTH STRUCTURAL GROWTH DRIVERS STRUCTURAL GROWTH DRIVERS CAPITAL MARKETS DAY – OCTOBER 6, 20257
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SAINT-GOBAIN IS THE ONLY PROVIDER OF COMPREHENSIVE BUILDING AND INFRASTRUCTURE SOLUTIONS… JOBSITE SOLUTIONS & MERCHANTING Merchanting services Digital services EXTERIOR SOLUTIONS Roofing Siding and cladding Façade Glazing CONSTRUCTION CHEMICALS SOLUTIONS Flooring and façade renders Waterproofing Concrete admixtures Concrete repair Adhesives and sealants INTERIOR SOLUTIONS Plasterboard Insulation Ceilings CAPITAL MARKETS DAY – OCTOBER 6, 20258
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… WITH A UNIQUE ABILITY TO LEVERAGE LOCAL LEADERSHIP POSITIONS TO GROW FURTHER EXTERIOR SOLUTIONS CONSTRUCTION CHEMICALS INTERIOR SOLUTIONS Saint-Gobain market share: <10% 10-25% >25% Growth opportunities Saint-Gobain market position in light construction USA #1 Canada #1 Mexico #1 India #1 South-East Asia Top 3 Eastern Europe #1 Brazil #1 Middle East #1 Australia #1 ItalySpain France United Kingdom #1 #1#1#1 ADDITIONAL SALES FROM OFFER ENRICHMENT TRACKED COUNTRY BY COUNTRY CAPITAL MARKETS DAY – OCTOBER 6, 20259 Saint-Gobain market share: small medium strong
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SAINT-GOBAINHAS BROADENED ITS REACH ACROSS AN UNMATCHED BREADTH OF ADDRESSABLE MARKETS… 1. Source: internal study RESIDENTIAL NON-RESIDENTIAL INFRASTRUCTURE €250bn €180bn €70bn Addressable market1 CAPITAL MARKETS DAY – OCTOBER 6, 202510
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… WITH A UNIQUE ABILITY TO EXPAND IN UNDER-PENETRATED NON -RESIDENTIAL & INFRASTRUCTURE MARKETS €15bn €250bn Saint-Gobain Addressable markets Non-residential & infrastructure Residential Addressable markets Baisser rési à 200bn pour avoir 50/50 Mieux voir que c’est un aéro / gare Addressable markets1 vs. Saint-Gobain sales for construction, 2024 TRANSPORTATION INFRASTRUCTURE CRITICAL INFRASTRUCTURE EDUCATION DATA CENTERS ENERGY INFRASTRUCTURE HOSPITALS HOTELS 1. Source: internal study CAPITAL MARKETS DAY – OCTOBER 6, 202511 Rajouter chiffres €
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STEERING A STRONG GROWTH PROFILE2
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TOP COUNTRY PLATFORMS TO SEIZE EUROPEAN RECOVERY POTENTIAL SOLID PROSPECTS FOR EUROPEAN RECOVERY 13% 18% 69% 20% 29% 51% 25-30% 30-35% 40-45% STRONG RECOVERY POTENTIAL France UK Germany Spain & Italy Eastern Europe 13% 18% 69% 20% 29% 51% 25-30% 30-35% 40-45% SHARE OF GROUP SALES 13% 18% 69% Before transformation 20% 29% 51% 2025 Pro forma1 25-30% 30-35% 40-45% Long-term ambition NORTH AMERICA ASIA & OTHER HIGH- GROWTH GEOGRAPHIES WESTERN EUROPE POSITIONED TO DELIVER OVER-PROPORTIONAL EBITDA GROWTH Nordics & Baltics GOVERNMENTS INVESTING IN HOUSING, ENERGY-EFFICIENCY & INFRASTRUCTURE 1. Pro forma for recent acquisitions and divestments 2. On average in local currencies, excluding any major economic slowdown and/or major divestment Remettre footnote caveat growth target ENERGY-EFFICIENT RENOVATION AND HOUSING & INFRASTRUCTURE NEEDS 2026 – 2030: 3-5% SALES GROWTH 2 ASIA & OTHER HIGH-GROWTH GEOGRAPHIES CAPITAL MARKETS DAY – OCTOBER 6, 202513
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PRIORITY COUNTRY PLATFORMS TO INCREASE EXPOSURE TO HIGH-GROWTH GEOGRAPHIES PRIORITY COUNTRIES FOR CAPITAL ALLOCATION 13% 18% 69% 20% 29% 51% 25-30% 30-35% 40-45% SHARE OF GROUP SALES ~50% OF GROUP GROWTH ROBUST DEMOGRAPHIC GROWTH ESTABLISHED SAINT-GOBAIN LOCAL LEADERSHIP POSITIONS ~35% OF GROUP SALES ~50% OF GROUP EBITDA USA Canada Australia India Mexico Brazil South-East Asia Middle East13% 18% 69% Before transformation 20% 29% 51% 2025 Pro forma1 25-30% 30-35% 40-45% Long-term ambition NORTH AMERICA ASIA & OTHER HIGH- GROWTH GEOGRAPHIES WESTERN EUROPE 2026 – 2030: 5-8% SALES GROWTH 2 Remove these figures ? Remettre footnote caveat growth target ASIA & OTHER HIGH-GROWTH GEOGRAPHIES CAPITAL MARKETS DAY – OCTOBER 6, 202514 1. Pro forma for recent acquisitions and divestments 2. On average in local currencies, excluding any major economic slowdown and/or major divestment
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16% 54% 30% Before transformation 12% 55% 33% 2025 Pro forma2 Long-term ambition Industry Residential1 Non-residential & infrastructure WIDENING OUR REACH TO ALL CONSTRUCTION END -MARKETS Clear strategic direction to steer COHESIVE PORTFOLIO & QUALITY OF EARNINGS IN CONSTRUCTION CHEMICALS BY 2030 to increase infrastructure exposure 1. Of which 58% renovation and 42% new construction in 2025 Pro forma 2. Pro forma for recent acquisitions and divestments 3. On average in local currencies, excluding any major economic slowdown and/or major divestment Targeting MID TO HIGH-SINGLE-DIGIT GROWTH3 in infrastructure & non-residential SHARE OF GROUP SALES CAPITAL MARKETS DAY – OCTOBER 6, 202515 End markets On montre industrie qui diminue et resi + non-resi/infra en dégradé 2026-2030 TARGET >€9bn SALES Bolt-on acquisitions Organic growth through capex and innovation >7% CAGR Through bolt-on acquisitions, capex and innovation Growing our CONSTRUCTION CHEMICALS platform to increase our penetration in INFRASTRUCTURE
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16% 44% 16% 19% 5% Before transformation 12% 26% 18% 31% 13% 2025 Pro forma1 Long-term ambition Industrial solutions Jobsite solutions & merchanting Exterior solutions Interior solutions Construction chemicals CONSTANTLY ENRICHING OUR BUSINESS PROFILE IN LIGHT & SUSTAINABLE CONSTRUCTION Clear strategic direction to steer COHESIVE PORTFOLIO & QUALITY OF EARNINGSCustomer-driven SOLUTIONS APPROACH with OFFER ENRICHMENT by country 1. Pro forma for recent acquisitions and divestments Continued strong focus on VALUE CREATION SHARE OF GROUP SALES CAPITAL MARKETS DAY – OCTOBER 6, 202516
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ACTIVELY STEERING PORTFOLIO OPTIMIZATION TO STRENGTHEN GROUP PROFILE FOCUS ON EXECUTION & VALUE CREATION >20% SALES ROTATION BY 2030 >13% GROUP ROCE CONSOLIDATING LEADERSHIP POSITIONS, HIGH-GROWTH COUNTRIES AND CONSTRUCTION CHEMICALS 2030 TARGETS CAPITAL MARKETS DAY – OCTOBER 6, 202517
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ACCELERATING VALUE AND GROWTH THROUGH SOLUTIONS3
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ACCELERATING TO MID -SINGLE-DIGIT GROWTH 1 1. On average in local currencies, excluding any major economic slowdown and/or major divestment OUTPERFORMING OUR MARKETS BY 1 TO 2 PTS Market growth Growing with SOLUTIONS by country Compounding M&A GROWTH by country SAINT-GOBAIN GROWTH TOWARDS MID-SINGLE DIGIT GROWTH1 Expanding in NON-RESIDENTIAL & INFRASTRUCTURE OUTPERFORMING OUR MARKETS BY 1 TO 2pts Option 1 Agrandir le graph verticalement CAPITAL MARKETS DAY – OCTOBER 6, 202519
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ANSWERING CUSTOMERS’ INCREASING NEED FOR FULL-RANGE SOLUTIONS GROWING DEMAND FOR WHOLE-BUILDING PERFORMANCE 70% OF CONSTRUCTION COMPANIES PREFER SOLUTIONS1 1. Source: Deloitte To radically CHANGE HOW BUILDINGS ARE BUILT you have to work closely with partners who understand HOW EVERYTHING COMES TOGETHER ON SITE 1. Engineering and Construction Industry Outlook, Deloitte Validate quote Photo PL ? CAPITAL MARKETS DAY – OCTOBER 6, 202520
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INNOVATING TO MEET CUSTOMERS’ INCREASING NEED FOR SUSTAINABLE SOLUTIONS We face MULTIPLE CHALLENGES, including DECARBONIZATION, of course. We must go beyond REGULATORY REQUIREMENTS to win new markets. Nexity X2 SAINT-GOBAIN SALES IN GREEN BUILDINGS1 WORLD 1ST WORLD 1ST Engie Eco-Campus, France 35 Saint-Gobain solutions LOW-CARBON MORTARS HIGH-RECYCLED CONTENT PLASTERBOARD LOW-CARBON GLASS PIONEERING LOW-CARBON & CLIMATE-RESILIENT OFFER WITH ~75% OF SUSTAINABLE SALES BEST POSITIONED TO ADDRESS GREEN BUILDINGS HIGH-RECYCLED CONTENT GLASS WOOL Trouver une citation courte pays émergents (vidéos 360) 1. vs. standard projects in France More SUSTAINABLE AND PRODUCTIVE solutions are key to CHANGE THE WAY WE BUILD Brazilian customer CAPITAL MARKETS DAY – OCTOBER 6, 202521
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CAPITAL MARKETS DAY – OCTOBER 6, 202522 OUR ONE-STOP-SHOP SOLUTION FOR GLOBAL RENOVATION IN FRANCE… SINGLE-FAMILY HOUSE RENOVATION1 1. Internal study, Saint-Gobain 2. Energy Performance Certificate -70% energy bill reduction 4-5 years payback 100k tradespeople trained & advised per year FINANCIAL SAVINGS PHYSICAL AND DIGITAL SERVICE SUPPORT … BRINGS VALUE TO OUR CUSTOMERS ENERGY EFFICIENCY From EPC2 toG C Internal wall insulation External thermal insulation system Interactive digital solution for energy renovation diagnosis Thermal insulation for attics Jobsite delivery Recycling services 810 collection points Eclaz Sun® double glazing with solar control coating
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CAPITAL MARKETS DAY – OCTOBER 6, 202523 1. 2025 vs. 2019 OUR ENRICHED OFFER IN CANADA… … DELIVERS HIGHER GUARANTEED QUALITY FOR CUSTOMERS From basic shingles to COMPLETE WEATHER-RESISTANT ROOFING SOLUTIONS Quality Made CERTAIN, Satisfaction GUARANTEED Siding Waterproofing membranes Interior Exterior Roofing membranes Ceilings Plasterboard Metal profiles Insulation Roofing shingles COMPREHENSIVE OFFER FOR THE FULL BUILDING ENVELOPE THROUGH TARGETED ACQUISITIONS 4x ADDRESSABLE SALES PER SQM 1 INCREASING ADDRESSABLE SALES FOR SAINT-GOBAIN C$/sqm, excluding inflation
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Patented façade system -30% installation time -20% heat loss CROSS-SELLING SERVICES AND SPECIFICATIONUP-SELLING X2 SALES TO TOP 20 CUSTOMERS vs. 2019 +8pts MARGIN FOR HIGH ADDED-VALUE PRODUCTS (HAVP) RICHER MIX +10pts OF HAVP IN SPECIFIED SALES SOLUTIONS STRATEGY INCREASES BOTH VALUE AND SHARE-OF-WALLET FOR THE GROUP HIGHER MARGINSALES OUTPERFORMANCE CAPITAL MARKETS DAY – OCTOBER 6, 202524
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EXPANDING IN EACH COUNTRY THROUGH SOLUTIONS APPROACH DEPLOYING OUR COMPREHENSIVE SOLUTIONS ACROSS ALL CHANNELS BROADENING AND ENRICHING OUR OFFER FOR THE ENTIRE BUILDING ENVELOPE Interior, exterior, construction chemicals, jobsite solutions & merchanting Merchanting, DIY, direct sales & digital sales CAPITAL MARKETS DAY – OCTOBER 6, 202525
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BROADENING OUR OFFER WITH A REPLICABLE MODEL COUNTRY BY COUNTRY – INDIA’S SUCCESS CAPITAL MARKETS DAY – OCTOBER 6, 202526 EXTERIOR GLASS INTERIOR GYPSUM INTERIOR INSULATION CONSTRUCTION CHEMICALS Saint-Gobain market share: #1 #1 #1 #1 85% ORGANIC GROWTH ~x4 Sales1 ~x6 Operating income1 15% BILATERAL M&A TRANSACTIONS JOBSITE SOLUTIONS & MERCHANTING * Stone wool insulation Glass wool insulation Waterproofing Flooring Concrete admixtures & concrete works Digital distribution MyHome Low-carbon plaster Acoustic ceilings Low-carbon solar-control glass Fire-resistant glass Concrete admixtures Today small medium strongnot present * Full digital reach in Tier 1, 2 & 3 cities & Saint-Gobain MyHome centers 1. In local currency over ten years 10-year journey of growth
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CAPITAL MARKETS DAY – OCTOBER 6, 202527 DEPLOYING OUR STRONG AND INNOVATIVE VALUE-ADDED PRODUCTS CONSTRUCTION CHEMICALS INTERIOR SOLUTIONS EXTERIOR SOLUTIONS Deploying value-added coated glass in high-growth countries From 31% to 37% of HAVP1 2025 vs. 2021 From 26% to 30% of HAVP2 2025 vs. 2021 From 11% to 20% of HAVP3 2025 vs. 2022 Accelerating deployment of differentiated wallboard solutions in all countries Completing & growing our low-carbon offer country by country EnviroAddTM New generation additive for low-carbon cement Glasroc® X Reinforced plasterboard resistant to humidity COOL-LITE® XTREME Solar control glass blocking 80% of heat EBITDA (%) 2024 CAGR 2019-2024 SALES 2024 >20%+7%€2bn GLASS IN ASIA & OTHER HIGH-GROWTH COUNTRIES 20%+8%€12bn GYPSUM & INSULATION 18%+15%€6.5bn CONSTRUCTION CHEMICALS4 HAVP: High Added-Value Products 1. In glass sales in Mexico, Brazil, Colombia, India & Egypt 2. In gypsum sales 3. In additive sales 4. 2025 pro forma of recent acquisitions Comfi : 24 or 25 ? 2025 RF2 : Same except interior CAGR at 8%
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DEPLOYING OUR SOLUTIONS APPROACH THROUGH ALL CHANNELS H Residence, Dubai 18 Saint-Gobain solutions specified 39k28k14k 2030 target20252019 +40%x2 Numeric coverage of points of sales En 4 colonnes Factoriser increasing our penetration Indonésie : enlever le graph et garder le x2 POS 25 vs. 19 Dans le script ou slide: croissance des ventes en Indonésie Leveraging WIDEST OFFER to be the preferred partner of DIY CUSTOMERS Systematic GEOGRAPHIC COVERAGE & increased # of SKUs PER POINT OF SALES 35% of DIGITAL SALES in Nordics specialist distribution CROSS-BRAND SPECIFICATION TEAMS to increase share-of-wallet on projects Indonesia x2 points of sales vs. 2019 DIRECT SALES DIYMERCHANTING DIGITAL SALES CAPITAL MARKETS DAY – OCTOBER 6, 202528
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US: 36% Italie: 56% Ancien KPI US Fce ALL TRACKING SOLUTIONS DEPLOYMENT COUNTRY BY COUNTRY Option 2 UNITED KINGDOM INDIASOUTH-EAST ASIA ITALY FRANCE USA MIDDLE EAST AUSTRALIA GERMANY Cross-selling index Share of high added-value sales Share of specified sales CROSS-SELLING SERVICES AND SPECIFICATIONUP-SELLING Cross-selling of interior & exterior solutions to distributors, US Residential block including a lightweight façade system with Glasroc® X, Italy Key Account Management & specification teams by sector, United Kingdom Tracked KPI COUNTRIES WITH GROWTH POTENTIAL BEST IN CLASS COUNTRIES CAPITAL MARKETS DAY – OCTOBER 6, 202529
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CAPITAL MARKETS DAY – OCTOBER 6, 202530 LEVERAGING THE SAME APPROACH FOR DIFFERENTIATION & GROWTH IN INDUSTRIAL SOLUTIONS 1. Share in industrial solutions sales 2. High Added-Value Products Leader in high added-value glazing systems Leader in ceramic solutions to decarbonize industrial processes Leader in polymer technologies for critical applications ~20%1~50%1 ~30%1 ~€6bn SALESINDUSTRIAL SOLUTIONS 90% SPECIFIED SALES50% HAVP2 SALES GLASS FOR MOBILITY SOLUTIONS PERFORMANCE POLYMER SOLUTIONS CERAMICS FOR PROCESS SOLUTIONS Add EBITDA?
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EXPANDING IN NON-RESIDENTIAL AND INFRASTRUCTURE4
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LEVERAGING OUR HERO PRODUCTS AS DOOR OPENERS FOR NON -RESIDENTIAL PROJECTS DEMONSTRATING THE BENEFITS OF OUR SOLUTIONS TARGETING LARGE & COMPLEX PROJECTSFULL-RANGE SOLUTIONS BY END-MARKET CAPITAL MARKETS DAY – OCTOBER 6, 202532 AMO SGSF: reoient le design et optimisent la performance par rapport au design d’origine X% improvement in energy performance for ex -> Nicolas Ferry / Olivier servant EDUCATION HOSPITALS HOTELS EXAMPLES OF HERO PRODUCTS EnviroMix® Low carbon concrete admixture Hygiene Advance Acoustic ceilings COOL-LITE® XTREME Solar control glass CONTRAFLAM LITE Fire protective glazing EnviroMix® Low carbon concrete admixture Hygiene Advance Acoustic ceilings COOL-LITE® XTREME Solar control glass X-RAY PROTECTION Plasterboard EXTRA BASS Acoustic ceilings Nantes university hospital, France 26 Saint-Gobain solutions University of Groningen, Netherlands 14 Saint-Gobain solutions Atlantis The Royal hotel, Dubai 26 Saint-Gobain solutions
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WE HAVE THE BEST OFFER FOR THE GROWING & PROFITABLE DATA CENTER MARKET DEMONSTRATING THE BENEFITS OF OUR SOLUTIONS TARGETING LARGE & COMPLEX PROJECTSFULL-RANGE SOLUTIONS BY END-MARKET CAPITAL MARKETS DAY – OCTOBER 6, 202533 AMO SGSF: reoient le design et optimisent la performance par rapport au design d’origine X% improvement in energy performance for ex -> Nicolas Ferry / Olivier servant EXAMPLES OF HERO PRODUCTS EnviroMix® Low carbon concrete admixture Hygiene Advance Acoustic ceilings COOL-LITE® XTREME Solar control glass EnviroMix® Low carbon concrete admixture Hygiene Advance Acoustic ceilings COOL-LITE® XTREME Solar control glass 1. Source: Morgan Stanley research, July 2025 HERO PRODUCTS LEADING SPECIFICATION OF FULL OFFER FOR DATA CENTERS Sandwich panels Technical insulation Low-carbon admixtures Self-leveling screeds Waterproofing membranes 34% 18% 18% 16% LEADING CONSTRUCTION MATERIALS SUPPLIERS FOR DATA CENTERS1 across the US & four European countries KEY SUPPLIERS FOR DATA CENTERS OVER THE NEXT 2 YEARS1 Competitor A Competitor B Competitor C Technical ceilings ~20% of data center capex for building envelope & internal fit-out
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OUR LEADERSHIP IN CONSTRUCTION CHEMICALS IS A GATEWAY TO THE WHOLE INFRASTRUCTURE MARKET 35% OF SALES IN INFRASTRUCTURE 57% non- resi + infra STRONG LEADERSHIP POSITION WITH €6.5bn SALES1 IN 76 COUNTRIES AND 18% EBITDA1 1. 2025 pro forma of recent acquisitions CAPITAL MARKETS DAY – OCTOBER 6, 202534 Ceren balkanay Ex of bridge / tunnel prjct with large #sol + sales Nombre de camions verifi – Chloé Fosroc india: # bridges / etc over the last years -> sanchay # of pbidges / share of bridges with fosroc solutions Referenced by gvt ? over the last years -> sanchay Local & global KEY ACCOUNT MANAGEMENT Photo GCP GlasGrid® Asphalt reinforcement PREPRUFE® Waterproofing membranes Weberdry epo Epoxy coating INTEGRAL Waterproofing admixture EXAMPLES OF HERO PRODUCTS WEBERCOLOR High performance tile grout Doha metro, Qatar 10 Saint-Gobain solutions Long Thanh airport, Vietnam €15m sales Fast-paced growth in construction chemicals through CAPEX & M&A since 2021 37 ACQUISITIONS 43 NEW LINES & PLANTS RENDEROC Concrete repair Enviromix & verifi GCP – prince of wales bridge Route de l’atlantique ? Tunnel eurosia Periph colombo sri lanka Route du littoral réunion RAILWAYS Mumbai-Ahmedabad high-speed rail, India €13m sales HS2 – Ceren / peter lawrence Subansiri power station, India 9 Saint-Gobain solutions TRANSPORTATION INFRASTRUCTURE ENERGY INFRASTRUCTURE Leading BRANDS and infrastructure EXPERTS supporting specification M5 Oldbury Viaduct, United Kingdom 10 Saint-Gobain solutions
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DEDICATED APPROACH UNLOCKING ADDITIONAL GROWTH IN UNDER -PENETRATED NON -RESIDENTIAL & INFRASTRUCTURE MARKETS DEDICATED CATALOGUES BY END-MARKET CROSS-BRAND SPECIFICATION TEAMS & KAM1IN ALL TOP COUNTRIES POWERFUL BUILDING SCIENCE & TECHNICAL SUPPORT DEMONSTRATING THE BENEFITS OF OUR SOLUTIONS TARGETING LARGE & COMPLEX PROJECTSFULL-RANGE SOLUTIONS BY END-MARKET TRUST AND RECOGNITION ON FLAGSHIP PROJECTS SNOWBALLING INTO NEW OPPORTUNITIES CAPITAL MARKETS DAY – OCTOBER 6, 202535 Atlantis The Royal hotel, Dubai 10 Saint-Gobain solutions €12m specified sales AMO SGSF: reoient le design et optimisent la performance par rapport au design d’origine X% improvement in energy performance for ex -> Nicolas Ferry / Olivier servant Building design optimization service to reduce energy consumption by >50% in tertiary buildings retrofit EDUCATION BUILDINGS HospitalityEnvironment Hotel brochure Saint-Gobain solutions specified in ~300 hotel projects in Middle-East since 2021 CROSS-BRAND SPECIFICATION TEAMS IN ALL TOP COUNTRIES Long Thanh airport, Vietnam 15 solutions specified across full Saint-Gobain offer 1. Key Account Management
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ENHANCING OUR PENETRATION WITH DIGITAL & AI ALONG THE VALUE CHAIN AI-POWERED R&D for accelerated time-to-market 30 to 80% less testing AI-ENHANCED TENDER ANALYSIS 10,000 tenders analyzed per month in France IoT1-ENABLED DIGITAL SERVICES for real-time concrete monitoring LASER-GUIDED LAYOUT tool for jobsite productivity Up to 10x reduction in layout time CAPITAL MARKETS DAY – OCTOBER 6, 202536 Thierry voilequin : bn de pays qui l’utilisent Jurgen Van Hulst pr ecophon – figure on the impact REAL-TIME MONITORING of concrete >6000 trucks equipped with Verifi sensors 1. Internet of Things
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CAPITAL MARKETS DAY – OCTOBER 6, 202537 1. On average in local currencies, excluding any major economic slowdown and/or major divestment TARGETING MID TO HIGH -SINGLE-DIGIT GROWTH 1 IN INFRASTRUCTURE & NON -RESIDENTIAL Saint-Gobain presence: small medium strong USA India Middle East Germany TRANSPORTATION INFRASTRUCTURE (airports, rail, roads) CRITICAL INFRASTRUCTURE (tunnels, bridges) ENERGY INFRASTRUCTURE (energy generation) HOSPITALS EDUCATION HOTELS DATA CENTERS USA South-East Asia Brazil United Kingdom France Growth opportunities Growth opportunity Eastern Europe #1 Italy #1 Adfors : Nos pays avec la plus grande ambition (pour la rénovation, la maintenance et les constructions de nouvelles routes): - Inde - Brésil - US - Eastern Europe ( incl. Allemagne) - APAC (Malaisie, Singapour, Vietnam pour les aéroports..) - Middle East semble prometteur aussi, mais aujourd’hui nous n’avons vendu qu’au Kuwait et au Qatar South- East Asia LATAM / NAM / Europe infra to discuss Feedbac k from Region Europe & Middle East non-resi not done DATA CENTERS
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LEVERAGING STRONG COUNTRY PLATFORMS AS GROWTH COMPOUNDERS 5
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SELLING THE FULL SAINT-GOBAIN OFFER ACROSS ALL CHANNELS DEEP LOCAL ANCHORING OPTIMIZING AND ALLOCATING RESOURCES LEVERAGING GROUP EXPERTISE OUR COUNTRY PLATFORMS ARE DESIGNED TO CAPTURE PROFITABLE GROWTH COUNTRY PLATFORM CAPITAL MARKETS DAY – OCTOBER 6, 202539
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COUNTRY PLATFORMS CATALYZE GROWTH WITH COMPOUNDING M&A ORIGINATION ADVANTAGE Example – Acquisition of IMPAC family-owned business in construction chemicals through bilateral deal Example – Acquisition of ROCKWOOL INDIA & UP TWIGA in insulation: restoring robust profitability EXECUTION ADVANTAGE Proactive ACTIVATION OF M&A TARGETS 80% bilateral deals since 2021 Country platforms ATTRACTIVE FOR FAMILY BUSINESSES CULTURAL FIT & STREAMLINED INTEGRATION Unlocking fast SYNERGIES with LOCAL ORGANIZATION RETENTION OF KEY MANAGERS following acquisitions +11% sales CAGR since 20221 21% ROCE in 2025 Value creation in Year 1 +8% sales CAGR since 20231 31% ROCE in 2025 Value creation in Year 1 Mexico Malaysia 1. In local currency Ex de l’isolation en Inde Breakeven à l’achat et 18% de marge ajd Insulation India 6% EBITDA in 2022 19% in 2025 EBITDA margin before acquisition (2022) <10% Combined EBITDA margin 19% EBITDA 24 ? ROCE ? India IMPAC : 10% CAGR 22-24 20% ROCE in 2024 CAPITAL MARKETS DAY – OCTOBER 6, 202540
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LOCAL TRAINING PROGRAMS FOR CUSTOMERS SUSTAINABLE CONSTRUCTION ADVOCACY LOCAL CAMPAIGNS FOR ENERGY EFFICIENT RENOVATION LEADERSHIP UNDER THE SAINT-GOBAIN BRAND TO SHAPE THEIR MARKET Picture with Mark ? To find Gaetano? CAPITAL MARKETS DAY – OCTOBER 6, 202541
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Regional ERP2 platforms with common data model to accelerate use of AI & data science Regional research centers in USA, France, Germany, India, China, Brazil WCM1 program & plant benchmarking 1. World Class Manufacturing 2. Enterprise Resource Planning 3. Key Account Management COUNTRY PLATFORMS LEAD ON OPERATIONAL PERFORMANCE BY LEVERAGING GROUP EXPERTISE… DIGITAL AND AI TECHNOLOGIES DEPLOYMENT OF INNOVATION MANUFACTURING EXCELLENCE CAPITAL MARKETS DAY – OCTOBER 6, 202542 COMMERCIAL EXCELLENCE KAM3, customer loyalty & trainings, sales KPIs
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1. 2024 vs. 2017, pro forma for full -year impact of recent acquisitions of CSR and Bailey 2. 2024 vs. 2017 3.Target vs. 2017 WATER WITHDRAWAL BY 20303 -50% -40 to -45% SCOPE 1 & 2 EMISSIONS BY 20353 Rated A: CDP Climate Change TOP 2% of companies ranked Validated Group’s NET ZERO CARBON TRAJECTORY -34% Scope 1 & 2 CO2 emissions1 SUSTAINABILITY TARGETS STRONG ACHIEVEMENTS 2024 VS. 2017 -38% Non-recovered waste2 RECOGNIZED ESG LEADER -26% Reduction in water withdrawal2 Zero-carbonplasterboardline, Montreal Digital & AI tools to decarbonizeglass furnaces Vidalengo, Italy >300k m3/year of water saved 60% recycled materialsin glass wool REDUCING OUR CO2 FOOTPRINT ACCELERATING ON WATER CONSERVATION LEADING THE WAY ON CIRCULARITY Environmental performance supporting the Group’s range of sustainable solutions? Move to page 13? … AND CONSTANTLY STRIVE FOR BEST-IN-CLASS ENVIRONMENTAL PERFORMANCE 3 photos : GW FR, un bon pays gypse, un bon pays vitrage -38%Non-recovered waste2 20% recycled materialsin gypsum -38% Non-recovered waste2 30% recycled materialsin glass CAPITAL MARKETS DAY – OCTOBER 6, 202543
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PERFORMANCE -BASED CULTURE AND INCENTIVES ALIGNED WITH SHAREHOLDER VALUE EMPOWERED, ACCOUNTABLE, LOCAL country CEOs 90% CEOs native to their country Yearly bonus 100% ALIGNED TO OWN COUNTRY priorities: GROWTH PLAN EXECUTION & OUTPERFORMANCE on EBITDA, ROCE & CASH LONG-TERM INCENTIVES for top 3,000 managers 60% ROCE / 20% share price outperformance / 20% ESG 62k SHAREHOLDER EMPLOYEES AND MANAGERS holding ~€4.5bn of Saint-Gobain capital To discuss: Mention other criteria ? ESG… To discuss: Clarify EBITDA in mass or margin ? -> à l’oral Managers holding 1.5% of Saint-Gobain capitalTo discuss: add managers in the script ? CAPITAL MARKETS DAY – OCTOBER 6, 202544
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DRIVING FINANCIAL PERFORMANCE6
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SIGNIFICANT STEP -CHANGE IN PERFORMANCE 1. Organic growth in 2021: +6.9% (+13.8% for 2021/2019 divided by two) 2. 2021-2024 annual average; dividends & share buybacks Recurring EPS Free Cash Flow ROCE DISCIPLINED EXECUTION & RESULT -ORIENTED ORGANIZATION DELIVERING ON ALL OUR 2021 TARGETS 2021 – 2024 AVERAGE 9-11%10.8% Operating margin 2021 CMD TARGET >50%59% Free cash flow conversion ratio 12-15%15.4% ROCE 3-5%3.9% Organic growth1 Operating income 2018 2024 €3.2 €7.0 x2 2018 2024 €3.2bn €5.3bn +66% 2018 2024 €1.2bn €4.0bn x3 2018 2024 10.7% 14.3% +360bps 7.7% 11.4% SHAREHOLDER RETURN: ~€1.5bn yearly average 2 CAPITAL MARKETS DAY – OCTOBER 6, 202546
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A STRUCTURAL SHIFT FOR A STRONGER GROUP ENHANCED BUSINESS PROFILE: RESILIENCE AND EARNINGS QUALITY 1. Excluding Verallia, non-audited proxy for EBITDA post-IFRS 16 2. Businesses with >€300m of sales 3. Calculated from acquisition date PROVEN RESILIENCE SHIFT IN GROUP MIX STRONGER GROWTH -17% -410BPS1 -10% +120BPS 2009 vs. 2007 2024 vs. 2021 Volume Operating marginEvolution of… +440BPS GROUP EBITDA MARGIN 2024 VS. 2018 18% 2024 EBITDA MARGIN of manufacturing businesses Share of total Group sales from … 2018 2025 2018 2025 +4PTS Average organic growth of acquired companies vs. Group average3 14% 38% 16% 0% Businesses with EBITDA margin >20% Businesses with EBITDA margin <5%2 20071 20081 20091 9.3% 8.0% 5.2% 2021 2022 2023 2024 10.2% 10.4% 11.0% 11.4% Evolution of EBITDA margin Faire un graphe avec juste -410bp et +120bp et les deux time periods Voir ce que ça donne en EBITDA aussi -240bps 2009 vs. 20071 2024 vs. 2021 +150bps Changé CAPITAL MARKETS DAY – OCTOBER 6, 202547 2024 en retraitant l’Allemagne et <5% arrondi
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A NEW STEP -UP IN GROWTH ON-GOING MARGIN DISCIPLINE SOLUTIONS PRICE-COST SPREAD COST MANAGEMENT MARGIN ENHANCEMENT FROM M&A POSITIVE PRICE -COST SPREAD BACK-OFFICE OPTIMIZATION and COST SAVINGS initiatives All P&L OWNERS incentivized on EBITDA, ROCE & FREE CASH FLOW Sales growth (%) Ajouter translating into strong EPS growth? MID-SINGLE-DIGIT sales growth 1 MARKET OUTPERFORMANCE of 1 TO 2 POINTS CAPITAL MARKETS DAY – OCTOBER 6, 202548 Growing with SOLUTIONS by country Compounding M&A GROWTH by country Market growth Growing with SOLUTIONS by country Compounding M&A GROWTH by country Saint-Gobain growth Expanding in NON-RESIDENTIAL & INFRASTRUCTURE 2026-2030 TARGETS 1. On average in local currencies, excluding any major economic slowdown and/or major divestment
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A NEW STEP -UP IN PROFITABILITY 2021-2024 average Market outperformance Portfolio steering 2026-2030 14-15.5% ON-GOING MARGIN DISCIPLINE SOLUTIONS PRICE-COST SPREAD COST MANAGEMENT MARGIN ENHANCEMENT FROM M&A 15-18% POSITIVE PRICE -COST SPREAD BACK-OFFICE OPTIMIZATION and COST SAVINGS initiatives All P&L OWNERS incentivized on EBITDA, ROCE & FREE CASH FLOW 12-15% EUROPE, MIDDLE EAST & AFRICA 17-20% ASIA-PACIFIC & AMERICAS 14.5% EBITDA (%) Ajouter translating into strong EPS growth? All P&L OWNERS incentivized on EBITDA, FREE CASH FLOW & ROCE Profitable growth translating into EPS GROWTH CAPITAL MARKETS DAY – OCTOBER 6, 202549
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DISCIPLINED CASH MANAGEMENT Deep rooted CASH CULTURE Reduced NON-OPERATING COSTS OPTIMIZED MAINTENANCE CAPEX From 3.0% to ~2.5% of sales, 2018 vs. 2021-24 average OPTIMIZED WORKING CAPITAL From 29 to 15 days of sales, 2018 vs. 2021-24 average1 ≤15 DAYSOPERATING WORKING CAPITAL >50% FREE CASH FLOW CONVERSION RATIO ≤€250m ON AVERAGE/YEAR NON- OPERATING COSTS -50% Non-operating costs 2024 vs. 2018 36k Employees trained on cash management since 2021 2026-2030 TARGETS 1. Restated for the impacts of acquisitions and divestments CAPITAL MARKETS DAY – OCTOBER 6, 202550 4.5-5% OF SALES CAPEX
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STRONG BALANCE SHEET AND SOLID CREDIT RATING “Saint-Gobain has sufficient rating headroom for acquisitions and shareholder returns while maintaining its net leverage target of 1.5x- 2.0x” S&P, June 2025 “In recent years, Saint-Gobain has strengthened its business, resulting in structurally higher returns […]. Saint-Gobain's strong liquidity, consistent track record of positive free cash flow (FCF) and conservative financial policies, including a commitment to a moderate leverage, further support the rating” Moody’s, April 2025 1.5x – 2.0x S&P GLOBAL MOODY’S BBB+ Outlook stable Baa1 Outlook stable NET DEBT / EBITDA TARGET RANGE CREDIT RATING CAPITAL MARKETS DAY – OCTOBER 6, 202551
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TARGETING SUSTAINABLE DIVIDEND GROWTH over the 2026-2030 period Payment in cash 30-50% dividend payout as a % of recurring net income ATTRACTIVE RETURNS TO SHAREHOLDERS Value creation tool Regular benchmark for capital allocation vs. Saint-Gobain trading multiple DIVIDENDS SHARE BUYBACKS CAPITAL MARKETS DAY – OCTOBER 6, 202552 ~ €20bn CAPITAL DEPLOYMENT1 FROM 2026 TO 2030 ~€6bn €2bn A DYNAMIC AND ATTRACTIVE CAPITAL ALLOCATION FOR SHAREHOLDER VALUE CREATION 1. Free cash flow generation & net debt variation 2. Growth investment: growth capex + net M&A (acquisitions net of divestments) 3. Internal Rate of Return
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A DYNAMIC AND ATTRACTIVE CAPITAL ALLOCATION FOR SHAREHOLDER VALUE CREATION 1. Free cash flow generation & net debt variation 2. Growth investment: growth capex + net M&A (acquisitions net of divestments) 3. Internal Rate of Return PRIORITIZING HIGH-GROWTH MARKETS North America, Asia, high-growth countries Construction chemicals STRICT VALUE CREATION CRITERIA Growth capex returns: IRR3 > 20% Value creation by year 3 with ROCE > WACC GROWTH INVESTMENT (Growth Capex + Net M&A)2 CAPITAL MARKETS DAY – OCTOBER 6, 202553 ~ €20bn CAPITAL DEPLOYMENT1 FROM 2026 TO 2030 ~€12bn GROUP ROCE TARGET: >13%
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+35% CAPEX (as a % of sales) 2026-2030 TARGETS DISCIPLINED CAPEX ALLOCATION GROWTH CAPEX GROWTH CAPEX OPPORTUNITIES Offer enrichment by country platform Leverage existing footprint across multiple product lines >20% GROWTH CAPEX IRR HURDLE RATE 2021-2025 median: 31% 2021-2025 2026-2030 GROWTH MAINTENANCE & DIGITAL 4.1% ~5% Low-carbon plasterboard plant using 100% biomass, Vizag, India IRR 41% TO discuss ~2-2.5% of sales CAPITAL MARKETS DAY – OCTOBER 6, 202554 New Chryso line on existinginsulation site, Hyvinkää, Finland IRR 84%
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SOLID M&A TRACK RECORD CONSISTENTLY CREATING VALUE 1. On a full-year basis Value-creation in year 2 10% sales CAGR 2024 vs. 2019 Accelerator into major DIY retailers Value-creation in year 3 8% combined sales CAGR 2024 vs. 2021 20% combined EBITDA margin in 2024 Backbone for construction chemicals platform 19% Combined EBITDA margin in 20241 Synergies above plan 18% EBITDA margin in 20241 Synergies in line 20% Combined EBITDA margin in 20241 Synergies and growth above plan Garder 95m€ synergies pour Q&A -> removed Value-creation in year 2 >20% ROCE in 2024 AFTER YEAR 3: VALUE CREATED BEFORE YEAR 3: ON TRACK CAPITAL MARKETS DAY – OCTOBER 6, 202555 >20% EBITDA margin in 20241 EBITDA margin of Gypsum in North America
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2026-30: DISCIPLINED M&A DRIVEN BY COUNTRY GROWTH COMPOUNDER MODEL >20% SALES ROTATION BY 2030 CRITERIA FOR ACQUISITIONS Consolidating leadership positions, high-growth countries and construction chemicals 1 Strategic alignment & synergies with the Group1 Value creation ROCE > WACC by year 3 Discipline on price paid 2 Financial performance2 Synergies & cultural fit3 Timed execution to maximize value creation3 CRITERIA FOR DIVESTMENTSSELECTIVE M&A Country platforms proactively engaging M&A bilateral discussions (80% of acquisitions) Keeping an active pipeline 796 126310 Screened companies Due diligences Acquisitions Number of companies in acquisition funnel, 2021 - 2025 CAPITAL MARKETS DAY – OCTOBER 6, 202556
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ATTRACTIVE FINANCIAL PLAN 2026 – 2030 CAPITAL MARKETS DAY – OCTOBER 6, 202557 1. In local currencies, excluding any major economic slowdown and/or major divestment MID-SINGLE-DIGIT Average sales growth1 15 – 18% EBITDA margin >13% ROCE 1.5x to 2x Net debt / EBITDA >50% Free cash flow conversion ratio >20% Sales rotation (acquisitions and divestments) ~€8bn Returns to shareholders Dividends~€6bn €2bn Share buybacks
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CONCLUSION 7
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RECURRING EPS1 DELIVERING STRONG VALUE CREATION FOR SHAREHOLDERS 2018 2024 €3.2 €7.0 +14% CAGR 2019-2025 SHARE PRICE Saint-Gobain: +225% Euro Stoxx Construction & Materials: +116% P/E RATIO3 +287% SGO +166% STOXX CONST +104% CAC40 PRICE EARNINGS RATIO 13x SAINT-GOBAIN 21x PEERS3 CAC40: +67% TOTAL SHAREHOLDER RETURN2 2025 vs. 2018 Saint-Gobain Peers4 1. Earnings per share 2. Total shareholder return: including changes in the share price, dividends received and reinvested in shares and transactions in the Company’s shares. 3. Ratio of share price to earnings per share 4. Carlisle, Eagle Materia ls, Geberit, James Hardie, Kingspan, Owens Corning, Rockwool, Sika 5. As of September 2025 9x 13x 20x 21x 2018 20255 Saint-Gobain Peers 2018 : 9-20 CAC40 Stoxx Const. Saint-Gobain +87% +116% +153% CAPITAL MARKETS DAY – OCTOBER 6, 202559
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THE NEXT GROWTH AMBITION FOR SAINT-GOBAIN LARGE OPPORTUNITIES SUPPORTED BY MEGATRENDS GROWTH COMPOUNDING COUNTRY PLATFORMS VALUE-ENHANCING SOLUTIONS APPROACH ACROSS RESIDENTIAL, NON-RESIDENTIAL & INFRASTRUCTURE STRONG VALUE CREATION FOR ALL STAKEHOLDERS CAPITAL MARKETS DAY – OCTOBER 6, 202560
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CAPITAL MARKETS DAY – OCTOBER 6, 202561 All figures excluding employee directors 1. Chairperson of committees 2. Excluding construction 3. Exclu ding Benoit Bazin A STRONG GOVERNANCE WITH A RENEWED, INTERNATIONAL INDEPENDENT BOARD WIDE EXPERTISE (% of board members in area of expertise) GENERAL MANAGEMENT/ GOVERNANCE FINANCE STRATEGY INTERNATIONAL CONSTRUCTION INDUSTRY2 SUSTAINABILITY DIGITAL/ INNOVATION 71% 71% 71% 79% 50% 57% 93% 71% 8 RENEWALS SINCE 2021 100% INDEPENDENT DIRECTORS3 55% WOMEN 45% INTERNATIONAL MEMBERS SOPHIE BROCHU1 THIERRY DELAPORTE1 MAYA HARI NEW NEW NEW JEAN-FRANÇOIS CIRELLI 1 Lead Independent Director and Vice Chairman of the Board DOMINIQUE LEROY ; SIBYLLE DAUNIS OPFERMANN JANA REVEDIN ANTOINE DE SAINT-AFFRIQUE HANS SOHLSTRÖM HÉLÈNE DE TISSOT GEOFFROY ROUX DE BÉZIEUX NEW NEW NEW NEW NEW BENOIT BAZIN Chairman of the Board 100% INDEPENDENT COMMITTEES PHILIPPE THIBAUDET LYDIE CORTES EMPLOYEE DIRECTORS
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CAPITAL MARKETS DAY – OCTOBER 6, 202562 A MANAGEMENT TEAM WITH STRONG CREDENTIALS TO EXECUTE GROWTH PLAN CHAIRMAN & CEO Benoit Bazin HUMAN RESOURCES & CSR Claire Pedini COMMUNICATION Claire Garnier FINANCE Maud Thuaudet STRATEGY Céline Da Silva GENERAL COUNSEL, CORPORATE SECRETARY Antoine Vignial SOUTHERN EUROPE, MIDDLE EAST & AFRICA Thierry Bernard NORTHERN EUROPE David Molho ASIA-PACIFIC & INDIA Sreedhar N. LATIN AMERICA Camille Harrissart NORTH AMERICA Mark Rayfield DIGITAL & IT Ursula Soritsch- Renier INNOVATION Anne Hardy TECHNOLOGY & INDUSTRIAL PERFORMANCE Nicolas Miègeville OPERATIONS (COO) Patrick Dupin INDUSTRIAL SOLUTIONS Benoit d’Iribarne 44% WOMEN6 NATIONALITIES Mettre Patrick encore plus à gauche
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ATTRACTIVE PROFITABLE GROWTH ACROSS ALL MAJOR REGIONAL MARKETS NORTH AMERICA Mark Rayfield EUROPE, MIDDLE EAST & AFRICA David Molho & Thierry Bernard ASIA-PACIFIC Sreedhar N. À mettre dans le script À mettre dans le script 8 des premiers slides + tout le monde sauf les norids + la chine Transition Vik régions Titre à modifier LATIN AMERICA Camille Harrissart CAPITAL MARKETS DAY – OCTOBER 6, 202563 14 COUNTRY PLATFORMS ACROSS 4 REGIONS REPRESENTING >85% OF GROUP PROFIT
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CAPITAL MARKETS DAY October 6, 2025 MARK RAYFIELD CEO North America Region NORTH AMERICA US Headquarters & Innovation Center, Malvern, Pennsylvania
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$11bn Sales1 #1 Building manufacturer in light construction with leading brands >20% EBITDA margin1 NORTH AMERICA IS WELL POSITIONED FOR GROWTH 1. Last 12 months at end-June 2025 2. In local currencies CAPITAL MARKETS DAY – OCTOBER 6, 202565 Leverage growth-compounding US AND CANADIAN COUNTRY PLATFORMS, being a key partner of choice for retailers, distributors, contractors Lead with unique SOLUTIONS APPROACH meeting customer needs for CLIMATE-RESILIENT SOLUTIONS Seize growth opportunities in NON-RESIDENTIAL & INFRASTRUCTURE by leveraging BUILDING SCIENCE and EXPERTISE across enriched product portfolio ~10% Annual sales growth (2019-20242)
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STRONG FUNDAMENTALS IN THE NORTH AMERICAN MARKET CAPITAL MARKETS DAY – OCTOBER 6, 202566 Annual housing units need by 20303 ~450k Deficit in housing stock2 ~3.7m 41yrs Median age of dwellings2 +10 yrs since 2005 ONGOING RENOVATION NEEDS 1. 2024 Saint-Gobain construction sales in North America 2. Latest estimates by FreddieMac and NAHB 3. To restore affordability, CMHC 2025 report 4. McKinsey, 2025 5. BCG, 2024 68%1 ~20-25% Annual growth in data center demand in the US through 20304 ~10% of civil engineering infrastructure projects related to bridges in the US, due to aging5 32%1RESIDENTIAL NON-RESIDENTIAL & INFRASTRUCTURE
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COUNTRY PLATFORM BRINGS THE BEST SOLUTIONS & NATION -WIDE PRESENCE TO OUR CUSTOMERS CAPITAL MARKETS DAY – OCTOBER 6, 202567 ONLY AMERICAN MANUFACTURER OFFERING FULL BREADTH OF SOLUTIONS MAKING CONTRACTORS SUCCESSFUL & HOMEOWNERS ADVOCATES PARTNER OF CHOICE FOR DISTRIBUTORS & DIY 1. 2024 construction sales 2. Net Promoter Score Business building workshops offered to contractors to increase customer loyalty Partnerships with top players to ensure strength across all routes to market 11%1 CONSTRUCTION CHEMICALS SOLUTIONS Incl. Waterproofing, Admixtures and additives, Concrete repair 47%1 EXTERIOR SOLUTIONS Roofing, Siding 42%1 INTERIOR SOLUTIONS Plasterboard, Insulation, Ceilings with national coverage112 plants Named 2025 winner by homeowners for highest quality roofing shingles 80 CertainTeed Distributor NPS2 >6k Distribution points of sales cross-selling >5 product lines ~10k >21k Credentialed contractors Contractors trained in the field
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BUILT TO WITHSTAND: SAINT-GOBAIN’S RESIDENTIAL RESILIENT SOLUTIONS FOR CLIMATE ADAPTATION CAPITAL MARKETS DAY – OCTOBER 6, 202568 WEATHER AND AGE-RELATED RENOVATION ARE PRIMARY DRIVERS FOR ROOFING WIND HAIL FIRE WATER FireLITE® plasterboard, CertainTeed insulation GCP waterproofing Increasingly severe and unpredictable weather events Weather and Major Storms Renovation New Construction Residential Roofing Demand Drivers1 ClimateFlex® impact resistant shingles & roofing underlayment Urban Reserve® metal siding & trim RESILIENT SOLUTIONS TO ADDRESS ALL TYPES OF EXTREME WEATHER PATTERNS CertainTeed RISE® impact resistant siding Vycor vapor barrier membrane 22% 50% 28% Non-discretionary renovation driven by aging roofs Limited exposure to new construction 1. 2023-2025 average - ARMA, NOAA
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THE MOST COMPLETE RESIDENTIAL OFFER POSITIONED TO MEET & OUTPERFORM MARKET NEEDS • Ventilation Channel • Soffit Ventilation • High-Density Cavity Insulation • Smart Vapor Retarder • Service Channel • Acoustic Plasterboard • Reinforced Plasterboard Finishing REVENUE: >10X MARGIN ($): >15X REVENUE: 2.7X MARGIN ($): 2.8X REVENUE: 1X MARGIN ($): 1X CAPITAL MARKETS DAY – OCTOBER 6, 202569 REINFORCED CLIMATE RESILIENT FULL-HOME SOLUTION 1 2 3 • Hail & Algae-Resistant Shingles • Premium Roof Underlayment • Self-Sealing Flashing • Ridge Ventilation • Roof Seam Tape • Premium Siding • Solid Siding Trim • Premium Window Flashing • Façade Insulation • Self-Sealing Weather Barrier • Roof Shingles • Roof Underlayment • Vinyl Siding • Weather Barrier In addition to climate resilient solutions
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OUR COUNTRY PLATFORMS ENABLE EXPANSION IN NON-RESIDENTIAL MARKETS CAPITAL MARKETS DAY – OCTOBER 6, 202570 OPTIMIZED PORTFOLIO FOR SUPERIOR PERFORMANCE ROBUST PIPELINE OF TARGETED PROJECTS ALIGNING INNOVATION TO OUR CUSTOMERS NEEDS Comprehensive range of solutions incl. commercial roofing and waterproofing Northborough, Massachusetts North America R&D center Large scale FIRE TESTING LAB >60% of project pipeline focused on education, healthcare, and data centers ~70% of projects including high added-value products>US$ 3bn 2030 target BUILDING SCIENCE as a service for contractors in non-residential Strong ACOUSTIC TESTING CAPABILITIES for interior solutions PREPRUFE® comprehensive & best-in-class waterproofing system US$ 1.8bn 2024 North American sales in non-residential
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BRINGING FULL -BUILDING PERFORMANCE WITH OUR COMPREHENSIVE SOLUTIONS CAPITAL MARKETS DAY – OCTOBER 6, 202571 DEVELOPING FULL-RANGE ADDED-VALUE SYSTEMS WINNING KEY NON-RESIDENTIAL PROJECTS Used in non-residential buildings, notably data centers, hospitals, hotels, and education Used in non-residential buildings, notably hospitals and education Designed for education, hospitals, transportation, and hotels FIRE RESISTANCE MOISTURE RESISTANCE ACOUSTIC COMFORT Wexner Hospital Center renovation, Ohio - 7 Saint-Gobain solutions San Diego Research & Development District, California - 9 Saint-Gobain solutions
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VAST HEADROOM TO ACCELERATE GROWTH IN INFRASTRUCTURE CAPITAL MARKETS DAY – OCTOBER 6, 202572 COMPREHENSIVE OFFER IN CONSTRUCTION CHEMICALS BUILDING OUR LEADERSHIP IN NORTH AMERICA Leveraging our broadened global offer through M&A to expand in infrastructure Strong technical support and best-in-class service from project design to construction Delaware Memorial Bridge, USA LEVERAGING OUR UNIQUE DIGITAL SOLUTIONS Verifi®: real-time concrete monitoring to enhance concrete quality, visibility and tracking #1 Partner of choice for large concrete and cement players #1 13 In cement additives and concrete admixtures Construction chemicals plants 2 R&D Centers and 8 Application Labs Strong growth opportunities in waterproofing and concrete repair leveraging full GCP and Fosroc product portfolio Vast untapped growth opportunity in Canada
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SUCCESSFUL M&A DELIVERING VALUE AND AN UNRIVALED COUNTRY PLATFORM FOR GROWTH CAPITAL MARKETS DAY – OCTOBER 6, 202573 #1 IN CANADA SYSTEMS OFFER LEVERAGING OUR LOCAL OPERATING MODEL #1 IN DIY AND PARTNER OF CHOICE FOR DISTRIBUTORS SOLUTIONS-BASED SALES ORGANIZATION covering all products for external, internal, and construction chemicals solutions >2,000 coast-to-coast distribution points with full coverage in DIY Leverage Saint-Gobain #1 position in Building Materials Canada 42 plants ensuring local-for-local production~CA$2.4bn Sales1 44%2 EXTERIOR SOLUTIONS Roofing, Siding 4%2 CONSTRUCTION CHEMICALS SOLUTIONS Incl. Waterproofing, Admixtures and additives, Concrete repair 52%2 INTERIOR SOLUTIONS Plasterboard, Insulation, Ceilings 1. Last 12 months at end-June 2025 2. 2024 construction sales pro forma for recent acquisitions and divestments Bailey structural metal framing & GlasRoc® exterior sheathing
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NORTH AMERICA IS WELL POSITIONED FOR GROWTH 74 CAPITAL MARKETS DAY – OCTOBER 6, 2025 2026-2030 TARGETS SALES GROWTH1 +1-2pts MARKET OUTPERFORMANCE Leverage our strong growth compounding COUNTRY PLATFORMS, with the USA leading on RESIDENTIAL and CLIMATE-RESILIENT SOLUTIONS Lead with our unique offer for CANADA to develop FULL HOME SOLUTIONS for multi-family and NON-RESIDENTIAL high-rise buildings Seize growth opportunities in INFRASTRUCTURE by leveraging the GLOBAL PORTFOLIO AND EXPERTISE in construction chemicals MID-SINGLE-DIGIT 1. On average in local currencies, excluding any major economic slowdown and/or major divestment
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October 6, 2025 DM CAPITAL MARKETS DAY EUROPE, MIDDLE EAST & AFRICA THIERRY BERNARD CEO Southern Europe, Middle East and Africa Region DAVID MOLHO CEO Northern Europe Region Aosta Valley University, Italy
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WELL POSITIONED TO BENEFIT FROM THE EUROPEAN CONSTRUCTION MARKET RECOVERY 76 CAPITAL MARKETS DAY – OCTOBER 6, 2025 Unique LEADERSHIP POSITION across the FULL VALUE CHAIN, notably ENERGY-EFFICIENT RENOVATION Solid growth potential in NON-RESIDENTIAL & INFRASTRUCTURE markets Strong growth profile in TURKEY AND MIDDLE EAST 1. Last 12 months at end-June 2025 2. In light and sustainable construction #1 France United Kingdom Spain Italy Poland Czech Republic & Romania Benelux Switzerland €29bn Sales1 >12% EBITDA margin1 Well-positioned country platforms to benefit from EUROPEAN MARKET RECOVERY with OVER-PROPORTIONAL PROFIT GROWTH 2
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RESIDENTIAL MARKETS PICKING UP ACROSS EUROPE 77 CAPITAL MARKETS DAY – OCTOBER 6, 2025 1. Increase in last 12 months housing permits since bottom of the cycle 2. Increase in last 12 months real estate transactions since bottom of the cycle 3.EED: Energy Efficiency Directive – EPBD: Energy Performance of Buildings Directive 4. Housing price gap between best and worst dwellings by energy performance (€/m2) 5. 2024 construction sales in Europe, excl. Middle East & Africa Renovation of Stockum BWB Düsseldorf, Germany “Plan Vive” new residential housing project Madrid, Spain 65% OF SALES IN RESIDENTIAL IN EUROPE5 NEWRENOVATION INCREASE IN HOUSING STARTS1 +34% +4% +18% +29% +9% PICK-UP IN HOUSING SALES2 +10% +16% +19% +20% PUBLIC SUPPORT & REGULATION FOR ENERGY EFFICIENCY Ongoing implementation of Energy Efficiency & Performance regulations - EED & EPBD3 GREEN VALUE HOUSING PRICE GAP4 ~50% ~40% 1.5m new homes by 2029 100,000 new homes per year until 2030 LARGE-SCALE GOVERNMENT HOUSING PROGRAMS SIGNIFICANT HOUSING NEEDS ~2.5m housing shortage ~2m housing shortage
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STRONG GROWTH AREAS IN NON-RESIDENTIAL & INFRASTRUCTURE SEGMENTS COUNTRY BY COUNTRY 78 CAPITAL MARKETS DAY – OCTOBER 6, 2025 1. PNRR: National Recovery and Resilience Plan 2. PNIISSI: National plan for infrastructure interventions and safety of the water sector 3. 2024 construction sales in Europe, excl. Middle East & Africa New school building – Alblasserdam, Netherlands New Paris-Saclay Hospital – Paris, France GROWTH AREAS ACKNOWLEDGED NEEDS, TACKLED BY POLICY MAKERS “Décret tertiaire” imposing a 40% reduction in tertiary buildings energy consumption by 2030 “Edurenov” School Rebuilding Program: major rebuilding and refurbishment projects of over 500 schools €500bn infrastructure plan PNRR1 & PNIISSI2 incentive plans: above €200bn of which €60bn remains to be disbursed £540bn government funding over the next 10 years in infrastructure and social buildings HOSPITALS INDUSTRIAL SEGMENTS & DATA CENTERS HOTELS & EDUCATION BUILDINGS Mostly renovation TRANSPORTATION & ENERGY 35% OF SALES IN NON-RESIDENTIAL & INFRASTRUCTURE IN EUROPE3
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SAINT-GOBAIN IS POSITIONED TO BENEFIT FROM OPERATING LEVERAGE ON EUROPEAN MARKET RECOVERY 79 CAPITAL MARKETS DAY – OCTOBER 6, 2025 LEAN COST BASE AND DISCIPLINED COST MANAGEMENT AN OPTIMIZED FOOTPRINT WITH AVAILABLE CAPACITY VOLUMES1 2024 vs. 2019 -13% EBITDA1 margin improvement 2024 vs. 2019 +270bps NO MAJOR GROWTH CAPEX needed to capture market rebound Ability to meet market demand country by country, with OPTIMIZED ORGANIZATION & manufacturing set-up ready to deliver OVER-PROPORTIONAL PROFIT GROWTH 1. Europe excl. Middle East and Africa ACCOUNTABLE AND EXPERIENCED NATIVE CEOs ARE EMPOWERED & READY TO CAPTURE GROWTH
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EUROPEAN COUNTRY PLATFORMS LEVERAGE EXTENSIVE LEADERSHIP THROUGH COMPREHENSIVE CUSTOMER SOLUTIONS 80 CAPITAL MARKETS DAY – OCTOBER 6, 2025 Saint-Gobain market share: Small Medium Strong CONSTRUCTION CHEMICALS INTERIOR SOLUTIONS EXTERIOR SOLUTIONS JOBSITE SOLUTIONS & MERCHANTING Saint-Gobain market position in light construction #1 #1 TOP 3 #1 #1 TOP 3 #1 #1 #1 Italy BeneluxNordics SpainCzech Republic & Romania Poland France United Kingdom Germany & Austria Growth opportunities
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UNDISPUTED LEADERSHIP IN FRANCE 81 CAPITAL MARKETS DAY – OCTOBER 6, 2025 LEADING POSITIONS WITHIN OUR ACTIVITIES UNIQUE POSITIONING TO UNLEASH THE FULL POTENTIAL OF ENERGY-EFFICIENT RENOVATION CONSTRUCTION CHEMICALS SOLUTIONS EXTERIOR SOLUTIONS INTERIOR SOLUTIONS JOBSITE SOLUTIONS & MERCHANTING €11bn 11%sales1 EBITDA margin1 WE PROVIDE A 360° SUSTAINABLE OFFER TO OUR MERCHANTING ACTIVITY IS WE CONSISTENTLY OUTPERFORM THE MARKET, DELIVERING Yearly growth above the market Larger than the n°2 player Customers WE PROVIDE SOLUTIONS FOR of building projects eligible for MaPrimeRenov’ with our CAP RENOV tool 400,000 >80% 6x ~1pt TB 1. Last 12 months at end-June 2025
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THE ONLY END-TO-END SOLUTIONS PROVIDER CAPABLE OF UNIQUELY SERVING ALL TYPES OF CUSTOMERS 82 CAPITAL MARKETS DAY – OCTOBER 6, 2025 LOGISTIC SERVICES Same-day delivery 2-hour click & collect CO-DEVELOPMENT WITH KEY CUSTOMERS COMPLETE SYSTEMS >2,000 POINTS OF SALES Merchanting & specification BUILDING SCIENCE Providing SUMMER COMFORT studies to REDUCE BY 50% overheat duration Enhanced by RE2020 latest environmental regulation 30,000 quotes / month 31,000 users 140,000 simulations in 2024 800 waste collection points at Point.P representing 40% of France’s merchanting waste collection points WIDELY USED FULL SUITE OF >10 DIGITAL SERVICES UNMATCHED NETWORK OF WASTE COLLECTION POINTS FOR RECYCLING UNDISPUTED ABILITY TO SHAPE THE MARKET Providing expertise to improve energy efficiency measurements through on-site solutions TB
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ITALY & SPAIN’S COUNTRY PLATFORMS OUTPERFORMING THROUGH UP -SELLING & CROSS-SELLING 83 CAPITAL MARKETS DAY – OCTOBER 6, 2025 CROSS-SELLING OUR FULL-RANGE OFFER UP-SELLING WITH ADDED-VALUE PRODUCTS & SYSTEMS 24% 26% 13% 41% Mono-brand Above quadri-brand 2018 2024 Share of mono- and quadri-brand customers % sales 155 GREEN CERTIFIED PROJECTS within our specification pipeline, representing €100m sales potential MADRID NUEVO NORTE Largest urban regeneration project in Europe Innovative & sustainable products & services, including façade systems, BIPV1, concrete decarbonization, and circularity services 1. Building Integrated Photovoltaics 2. Last 12 months at end-June 2025; average annual sales growth since 2021 TB €2.5bn SALES2 7% ANNUAL SALES GROWTH2 >14% EBITDA MARGIN2
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THE LEADING SOLUTIONS PROVIDER FOR NON-RESIDENTIAL IN UK & IRELAND 84 CAPITAL MARKETS DAY – OCTOBER 6, 2025 1. Last 12 months at end-June 2025, UK & Ireland LEVERAGING OUR STRONG COUNTRY PLATFORMS SOLUTIONS APPROACH UNLOCKING ADDITIONAL GROWTH IN NON-RESIDENTIAL Strong specification thanks to commercial solutions teams dedicated to 3 end markets: • New residential • New non-residential • Retrofit & refurbishment sales1~€2bn EBITDA margin118% FULL OFFER FOR NON-RESIDENTIAL Insulation Plasterboard Façade Acoustic ceilings Circularity Fire protection Construction chemicals Jobsite productivity SYSTEMS CERTIFICATION DATA CENTERS sales targeted in UK & Ireland+€80m Full system testing on fire, acoustic, and structural properties DIGITAL SPECIFICATION TOOL Digital configurator including offsite solutions to accelerate design & specification
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WINNING PROJECTS BY LEVERAGING UNIQUE VALUE PROPOSITION IN NON-RESIDENTIAL & INFRASTRUCTURE 85 CAPITAL MARKETS DAY – OCTOBER 6, 2025 KEY ACCOUNT MANAGEMENT APPROACH STRUCTURED THROUGH SAINT -GOBAIN SOLUTIONS ORGANIZATION MARKET HERO PRODUCT Differentiated product as a door opener for the full range offer FLAGSHIP PROJECT COOL-LITE® XTREME Solar control glass EnviroMix® Low carbon concrete admixture Hygiene Advance Acoustic ceiling ELIMINATOR® Bridge deck waterproofing membrane HOSPITALS DATA CENTERS HOTELS INFRASTRUCTURE Lariboisière Hospital Paris, France Echelon Data Center Arklow, Ireland Hotel Atlantis the Royal Dubai, UAE Tresfjord Bridge Vestnes, Norway
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GCP BETEC® WIND GROUTS offering early high strength, superior flow, and solid load support High added-value products for all critical parts of WIND TURBINES Bögl wind turbines project Germany GROWTH IN INFRASTRUCTURE LEVERAGING OUR LEADING PLATFORM IN CONSTRUCTION CHEMICALS 86 CAPITAL MARKETS DAY – OCTOBER 6, 2025 A LEADING PLATFORM IN CONSTRUCTION CHEMICALS LEVERAGING OUR SPECIALTY SOLUTIONS IN INFRASTRUCTURE PROJECTS LEADERSHIP IN INNOVATION FOR DECARBONIZATION 1. Europe, Middle East and Africa; 2025 estimate pro forma for recent acquisitions and divestments Sales in EMEA1 €3.6bn Real-time concrete monitoring enabling productivity gains Additives & admixtures for lower embedded CO2 10+ SAINT-GOBAIN SOLUTIONS including waterproofing, concrete repair, additives and Verifi® in-transit concrete monitoring Comprehensive offer for RAILWAYS & TUNNELS HS2 high-speed railway United Kingdom
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UNIQUELY POSITIONED TO CAPITALIZE ON THE RENEWED INVESTMENT DYNAMIC IN CENTRALEUROPE 87 CAPITAL MARKETS DAY – OCTOBER 6, 2025 STRONG LEADERSHIP IN CENTRAL & EASTERN EUROPE COMPREHENSIVE SOLUTIONS TO CAPTURE GERMAN STIMULUS PLAN 10% of Saint-Gobain global sales €500bn STIMULUS PLAN over the next 12 years PROXIMITY NETWORK TO SUPPORT UKRAINE RECONSTRUCTION LOCAL PRESENCE ALREADY ESTABLISHED: 1 plaster plant since 2024, 2 warehouses, delivery from neighbouring countries ~€500bn RECONSTRUCTION NEEDS over the next 10 years2 ORGANIZATION IN PLACE to target key areas and benefit from spillover effects 1. Bundesverband Baustoffe Germany (professional association) estimate 2. World Bank and Euroconstruct estimate €14bn1 per year for infrastructure, including bridge modernization, transport infrastructure upgrade, and energy infrastructure expansion €6bn1 per year for social housing and public buildings, notably education facilities and hospitals 50+ 14 25 14 1 #1 LEADING POSITIONS in Poland, Czech Republic and Romania TOP 3 in Germany EUROPEAN INVESTMENT IN DEFENSE & INFRASTRUCTURE 100+ plants
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6 Industrial sites +3 since 2020 STRONG PROFITABLE GROWTH AMBITIONS WITH OUR UNMATCHED COUNTRY PLATFORMS IN TURKEY & THE MIDDLE EAST 88 CAPITAL MARKETS DAY – OCTOBER 6, 2025 REINFORCED FOOTPRINT & STRONG COMPETITIVE POSITIONING STRONG LOCAL DYNAMICS #1 POSITION IN THE REGION A unique construction chemicals platform across the region: €750m SALES2 Local CEOs bringing UNIQUE MARKET INTIMACY Value-creative partnerships with WELL-ESTABLISHED LOCAL LEADERS Annual sales growth121% TURKEYEGYPT MIDDLE EAST 21 Industrial sites +14 since 2020 VISION 2030 Steering the diversification of Saudi economy LARGE AND GROWING URBAN POPULATIONS DEMOGRAPHIC GROWTH 37 smart cities built by 2050 STRONG URBANIZATION 1. Last 12 months at end-June 2025; average annual sales growth since 2021 2. 2025 estimate pro forma for recent acquisitions and divestments 23 Industrial sites +11 since 2020 €1bn Sales1 20% EBITDA margin1
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EUROPE, MIDDLE EAST AND AFRICA FULLY SET FOR PROFITABLE GROWTH 89 CAPITAL MARKETS DAY – OCTOBER 6, 2025 2026-2030 TARGETS MARKET OUTPERFORMANCE >1pt LARGEST BUILDING MATERIALS COMPANY IN THE REGION with strong local positions across all segments, including GROWTH SPACES IN NON-RESIDENTIAL AND INFRASTRUCTURE STRONG AND WELL-ESTABLISHED COUNTRY PLATFORMS, ready to outperform market growth in the context of EUROPEAN RECOVERY and deliver OVER-PROPORTIONAL PROFIT GROWTH FULL SUITE OF SOLUTIONS uniquely positioning Saint-Gobain to SHAPE THE CONSTRUCTION MARKETS ON LIGHT AND SUSTAINABLE CONSTRUCTION TB SALES GROWTH1 3 TO 5% 1. On average in local currencies, excluding any major economic slowdown and/or major divestment
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CAMILLE HARRISSART CEO Latin America RegionPacaembu Stadium, São Paulo, Brazil CAPITAL MARKETS DAY October 6, 2025 LATIN AMERICA
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SAINT-GOBAIN IS WELL POSITIONED TO OUTPERFORM THE LATIN AMERICAN MARKET CAPITAL MARKETS DAY – OCTOBER 6, 202591 BRAZIL #1 platform: market outperformance thanks to our COMPREHENSIVE OFFER and UNIQUE REACH ACROSS the FULL VALUE CHAIN MEXICO: a GROWTH COMPOUNDER MODEL to be replicated across Central America LEVERAGE our leadership in light construction and construction chemicals to expand in NON-RESIDENTIAL and INFRASTRUCTURE €3.6bn Sales1 #1 Brazil Mexico Peru Argentina Chile2 ~18% EBITDA margin1 >9% Annual sales growth (2019-20243) 1. Last 12 months at end-June 2025 2. Positioning considering participation in Joint Ventures 3. In local currencies; 2024 sales, pro forma for recent acquisitions and divestments
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LEVERAGING BRAZIL’S COUNTRY PLATFORM TO ACCELERATE PROFITABLE GROWTH CAPITAL MARKETS DAY – OCTOBER 6, 202592 LARGE PORTFOLIO AND BROADEST REACH TO CUSTOMERS €1.6bn SALES2, 17% EBITDA MARGIN2 TO SERVE >40,000 CUSTOMERS UNIQUE FOOTPRINT 56 Plants Most awarded #1 supplier in 10 categories4 STRONG LEADERSHIP POSITIONS CUSTOMER RECOGNITION In Brazil #1 x2 vs. 2nd player3 EXTERIOR SOLUTIONS #1 In Brazil X1.5 vs. 2nd player3INTERIOR SOLUTIONS 36% CONSTRUCTION CHEMICALS1 Waterproofing Flooring and façade renders Adhesives and sealants Admixtures and additives Concrete repair 42% EXTERIOR SOLUTIONS1 Glazing Roofing Façade and cladding 22% INTERIOR SOLUTIONS1 Plasterboard Insulation Ceilings RESEARCH EXPERTISE 1 global R&D center CONSTRUCTION CHEMICALS In Brazil #1 X3 vs. 2nd player3 1. 2024 construction sales excl. distribution 2. Last 12 months at end-June 2025 excl. distribution 3. Based on third-party reports and internal estimates 4. Anamaco Prize – Customer Assessment
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CAPITAL MARKETS DAY – OCTOBER 6, 202593 LEVERAGE CUSTOMER RELATIONSHIPS TO INCREASE SHARE-OF-WALLET DEDICATED TEAMS BY END-MARKET AMBITION: x2 SPECIFIED SALES MAXIMIZE SHELF PRESENCE IN RETAIL FULL SOLUTIONS ACROSS ALL END-MARKETS CROSS-SELLING SALES1>50% Volcar HC Manacapuru, AM Paint Store, SP RETAIL WHOLESALERS SPECIALIZED RETAIL CHANNELS Key Account Management Cross-brands sell-out program Leveraging customer base from each brand Parque Global - São Paulo Hotel Hospital Shopping center School Residential (Light-weight façade) (Glass) Architect Contractor Contractor & Installer >50 SKUs 1. Min. 2 brands with sales at a retail channel, 2024 CONTINUING TO EXPAND OUR PRESENCE IN RETAIL CHANNELS AND SPECIFIED PROJECTS
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CAPITAL MARKETS DAY – OCTOBER 6, 202594 ADVOCATE DESIGN POLICY MAKER INVESTOR ARCHITECT CONTRACTOR +2,000 architecture projects (2024) 1ST FAIR on light and sustainable construction Organized by Saint-Gobain, Nov. 2025 BUILD DISTRIBUTOR INSTALLER 60k applicants for our 2 TV shows 6k installers trained per year High-growth potential in light & sustainable construction SHAPING THE MARKET TO MAXIMIZE ALL TOUCHPOINTS ACROSS THE VALUE CHAIN National Union of Cement Products Industry Saint-Gobain Sustainable Architecture and Urban Design Award in Latin America
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CAPITAL MARKETS DAY – OCTOBER 6, 202595 +20 points technical mortars 100 169 2019 2024 11%Index (2019 = 100) 55% 35% 45% 65% 2019 2024 Technical Standard Saint-Gobain sales Plasterboard annual market growth1 SHAPING THE MARKET ACROSS THE VALUE CHAIN TOWARDS HIGH ADDED-VALUE PRODUCTS ADVOCATE DESIGN BUILD HIGH ADDED-VALUE PRODUCTS LIGHT & SUSTAINABLE CONSTRUCTION 1. Based on third-party reports and internal estimates 2. 2019-2024 vs. 15% Saint-Gobain Brazil annual sales growth for plasterboard2
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CAPITAL MARKETS DAY – OCTOBER 6, 202596 SUCCESSFUL INTEGRATION OF GROWING SOLUTIONS Cemix operations in Guatemala and Honduras Commercial roll-out of full Saint-Gobain offer Expansion projects through capex and M&A CROSS-SELLING IN GROWING RETAIL NEW PLATFORM IN CENTRAL AMERICA FROM 70 TO 180 SKUs In the last 2 years, at a major retailer2018 2019 2022 2023 2025 EXTERIOR SOLUTIONS INTERIOR SOLUTIONS CONSTRUCTION CHEMICALS Glazing Coated Glass Plasterboard Waterproofing Admixtures and additives Flooring and façade renders POSITIONED TO ACCELERATE IN MEXICO WITH OUR STRONG COUNTRY PLATFORM €1.2bn SALES1 x2 IN 5 YEARS >20% EBITDA MARGIN1 FULL CONSTRUCTION CHEMICALS PLATFORM (41% of sales)2 #1 IN RESIDENTIAL 1. Last 12 months at end-June 2025 2. Share of 2025 estimated sales, pro forma for recent acquisitions and divestments
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CAPITAL MARKETS DAY – OCTOBER 6, 202597 PERFORMANCELIGHT CONSTRUCTION SUMMER COMFORTPRODUCTIVITY High-rise construction & air conditioning avoidance driving coated glass adoption Early-stage adoption: 0.6 m²/capita vs. 11 m² in the US From reactive to preventive applications 50% of homes with potential to upgrade from basic flooring to tile flooring WATERPROOFING 15% Annual sales growth (2019-2024) PLASTERBOARD 11% Annual sales growth (2019-2024) READY-MIX MORTARS 18% Annual sales growth (2019-2024) SOLAR CONTROL 17% Annual sales growth (2019-2024) ENRICHED OFFER TO CAPTURE GROWTH FROM EARLY ADOPTION OF HIGH ADDED-VALUE PRODUCTS
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CAPITAL MARKETS DAY – OCTOBER 6, 202598 Tunnels in Chile and Peru Transportation & energy infrastructure in Brazil Hotels in Mexico 250+ €500m High level of specification Key Account Management Technical construction chemicals Sustainability focus Waldorf Astoria, Cancún – Mexico Subway line 7 Project, Santiago – Chile Windmill Farm Minuano, Rio Grande do Sul – Brazil Key account managers per end-market Technical support per type of solution €1bn cumulative potential of hotel construction market 2026-2030 addressable projects in Chile & Peru by 2030 addressable project pipeline in Brazil 2026-2030 EXPANDING HIGH-GROWTH SEGMENTS IN NON-RESIDENTIAL AND INFRASTRUCTURE NON-RESIDENTIAL INFRASTRUCTURE
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WELL POSITIONED TO CAPTURE LATIN AMERICA’S CONSTRUCTION GROWTH POTENTIAL 99 CAPITAL MARKETS DAY – OCTOBER 6, 2025 2026-2030 TARGET +2pts MARKET OUTPERFORMANCE BRAZIL #1 platform: market outperformance thanks to our COMPREHENSIVE OFFER and UNIQUE REACH ACROSS the FULL VALUE CHAIN MEXICO: a GROWTH COMPOUNDER MODEL to be replicated across Central America LEVERAGE our leadership in light construction and construction chemicals to expand in NON-RESIDENTIAL and INFRASTRUCTURE HIGH-SINGLE-DIGIT SALES GROWTH1 1. On average in local currencies, excluding any major economic slowdown and/or major divestment
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CAPITAL MARKETS DAY October 6, 2025 SREEDHAR N. CEO Asia-Pacific & India Region ASIA-PACIFIC Amaryllis residence, Delhi, India
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€5.3bn Sales1 SAINT-GOBAIN HAS LARGE OPPORTUNITIES TO ACCELERATE PROFITABLE GROWTH IN ASIA -PACIFIC 101 CAPITAL MARKETS DAY – OCTOBER 6, 2025 EBITDA margin1 ~17% In India, Australia & South-East Asia2#1 ~7% Annual sales growth3 (2019-2024) 1. Last 12 months at end-June 2025 2. In light & sustainable construction; South-East Asia i.e. across countries of Malaysia, Indonesia & Vietnam 3. In local currencies Construction markets will CONTINUE TO GROW FAST, particularly in INDIA, AUSTRALIA & SOUTH-EAST ASIA Shaping the market with light & sustainable construction LEVERAGING OUR STRONG COUNTRY PLATFORMS Continue to deepen our REACH, further ENRICH OUR OFFER & significantly leverage CONSTRUCTION CHEMICALS platform in INFRASTRUCTURE market
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FAVORABLE MACRO-ECONOMIC INDICATORS ENHANCED PURCHASING POWER GROWING NEED FOR LIGHT & SUSTAINABLE CONSTRUCTION THREE GROWTH DRIVERS POWERING THE MARKET 102 CAPITAL MARKETS DAY – OCTOBER 6, 2025 1. Over the next 5 years, Oxford Economics 2. Over the next 5 years, BCG CCI Analysis SIGNIFICANT INVESTMENT IN INFRASTRUCTURE $3 trillion of spending per year in Asia1 +90m in India’s affluent population2 GROWING URBAN POPULATION ~60% of the world’s population in Asia-Pacific, of which 56% is urban ENERGY EFFICIENCY MOMENTUM IN AUSTRALIA through National Construction Code & government incentives 7% ANNUAL GROWTH in Asia’s middle-class population1 EARLY PHASE OF ADOPTION of light & sustainable construction solutions 20302024 ~4x growth in affluent cities Gypsum consumption (m2 per capita) 0.1 1 >3Advanced economies Emerging countries India Chennai Metro Rail Project, India 30x growth potential
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Saint-Gobain Research India with 300+ researchers LEVERAGING INDIA’S OUTSTANDING COUNTRY PLATFORM TO ACCELERATE PROFITABLE GROWTH 103 CAPITAL MARKETS DAY – OCTOBER 6, 2025 STRONG INNOVATION UNRIVALED FOOTPRINT REFERENCE FOR SUSTAINABILITY 70% of green buildings in India use Saint-Gobain solutions plants in all major states (+22 new plants since 2019) TOP BRAND 100% #1 ACROSS ALL SOLUTIONS €1.6bn >20% EBITDA margin1 sales1 (12% annual growth over past decade) high added-value sales >30% 82 Indian Parliament – Central Vista Project (25 solutions) brand awareness 1. Last 12 months at end-June 2025
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LEVELING UP INDIA'S STRONG PROFITABLE GROWTH 104 CAPITAL MARKETS DAY – OCTOBER 6, 2025 Proven technical expertise through execution of iconic projects LEVERAGE LEADERSHIP POSITION IN CONSTRUCTION CHEMICALS DEEPEN INFLUENCE IN TIER 2 & 3 CITIES Comprehensive offer Expand strong ~20k distribution network to reach Individual Home Buyers Increase partnership beyond existing 140k influencers to drive comprehensive range of solutions points of sales by 20303x influencer network consisting of fabricators, contractors & architects by 20302x Investment in infrastructure reshaping India annual air passenger traffic by 2030400m of National Highways constructed per day30km Kopili Dam, Assam Churhat bypass tunnel, Madhya Pradesh Saint-Gobain My Home experience centers across India: 100k partners across digital platforms with loyalty programs Admixtures and additives Flooring and tiling Waterproofing Waterproofing Adhesives and sealants
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LEVERAGING AUSTRALIA'S STRONG COUNTRY PLATFORM TO ACCELERATE PROFITABLE GROWTH 105 CAPITAL MARKETS DAY – OCTOBER 6, 2025 Canberra Institute of Technology (14 Saint-Gobain solutions) STATE OF THE ART FOOTPRINT LEADERSHIP POSITION STRONG SYSTEM SOLUTIONS WITH FULL RANGE Successful ongoing integration: offer enrichment, cost synergies & operational excellence ON-TRACK FOR VALUE CREATION >60% manufacturing plants €1.1bn ~17% EBITDA margin1 sales1 customers purchase multiple product categories (on average 3) 31 #1 ICONIC BRAND IN THE MARKET years in the Australian market170 logistics & distribution hubs106 Gyprock Trade Center: one-stop for the complete CSR range 1. Last 12 months at end-June 2025 (~2x over the past decade)
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CAPTURING PROFITABLE GROWTH IN AUSTRALIA 106 CAPITAL MARKETS DAY – OCTOBER 6, 2025 INCREASE PRESENCE IN HIGH-POTENTIAL SEGMENTS & NEW SOLUTIONS SPECIFICATION-DRIVEN SOLUTION SELLING Enrichment of offer with Saint-Gobain portfolioIncrease presence Residential exterior claddings Sustainable decorative acoustics Acoustic ceilings Passive Fire Protection Specification in mid and high-rise apartments, hospitals, hotels & data centers Insulation through energy efficiency programs Bradford insulation preventing up to 80% heat loss in winters Co-development of inter-tenancy walls with #1 apartment developer in Australia >40% high added-value & solution sales in 2024 Gypsum system for external cladding applicationConstruction chemicals Ceilings 25 – 35% Air Leakage 15 – 25% Concrete panels
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STRONG COUNTRY PLATFORMS: A KEY GROWTH ACCELERATOR IN SOUTH-EAST ASIA 107 CAPITAL MARKETS DAY – OCTOBER 6, 2025 Merdeka 118, Malaysia: Second tallest building in the world (16 Saint-Gobain solutions) STEEP GROWTH TRAJECTORY LEADERSHIP POSITION INNOVATION TO OFFER ADDED- VALUE PRODUCTS BROAD INDUSTRIAL FOOTPRINT €0.7bn sales1 EBITDA margin1 (~2.5x over past decade) ~16% #1 in light & low carbon boards & premix mortars 43 plants across countries (+22 new plants since 2019) high added-value sales >40% Mass Rapid Transit, Jakarta, Indonesia (15 Saint-Gobain solutions) 1. Last 12 months at end-June 2025
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OPPORTUNITIES FOR GROWTH OUTPERFORMANCE THROUGH OFFER ENRICHMENT IN SOUTH -EAST ASIA 108 CAPITAL MARKETS DAY – OCTOBER 6, 2025 1. Market share of core business in the category Malaysia Vietnam Indonesia Philippines Thailand EXTERIOR SOLUTIONS INTERIOR SOLUTIONS CONSTRUCTION CHEMICALS Coated glass PlasterboardLow Carbon Cement Board InsulationAcoustic Solution Flooring WaterproofingAdmixtures & Additives Saint-Gobain market share1: not present Growth opportunities Small Medium Strong
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109 CAPITAL MARKETS DAY – OCTOBER 6, 2025 Upcoming 7th plasterboard line in South China to serve the renovation market PRESENCE IN INDUSTRIAL & RENOVATION MARKETS BEST-IN-CLASS 100% DIGITAL CUSTOMER EXPERIENCE €1.2bn sales1 EBITDA margin1~16% ~12,000 retail points enabled through digital LOCAL-FOR- LOCAL STRATEGY >80% sales to the domestic market R&D CENTER IN SHANGHAI driving innovation & portfolio enrichment 41 plants across 30 locations (>50% sales across industrial solutions) PRESENCE IN ATTRACTIVE NICHE SEGMENTS IN CHINA Best-in-class customer service driven by digital: ~70 seconds average response time through smart Chatbots1. Last 12 months at end-June 2025
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ENGAGED, ALIGNED & COMMITTED TEAMS TO DELIVER PROFITABLE GROWTH 110 CAPITAL MARKETS DAY – OCTOBER 6, 2025 Top employer award for 8 consecutive years >50% of CSR employees subscribed to Saint-Gobain employee ownership program Sreedhar N. Paul Dalton 98% of employees in Vietnam are proud to work at Saint-Gobain 95% of employees in Malaysia consider they are encouraged to take initiatives at work 94% engagement index in Saint-Gobain Indonesia Ivana Ijaya Djie Lynette Siow Hai Nguyen Truong NATIVE LOCAL MANAGEMENT TEAMS WITH DEEP (~25 YEARS) EXPERTISE IN THE CONSTRUCTION MARKET
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ACCELERATING PROFITABLE GROWTH IN ASIA-PACIFIC 111 CAPITAL MARKETS DAY – OCTOBER 6, 2025 2026-2030 TARGETS MARKET OUTPERFORMANCE Leverage our STRONG & PROVEN COUNTRY PLATFORMS Enhance reach of Saint-Gobain COMPREHENSIVE SOLUTIONS IN ALL END-MARKETS Double the sales in CONSTRUCTION CHEMICALS CONTINUE VALUE CREATIVE INVESTMENTS to support growth +2pts SALES GROWTH1 HIGH-SINGLE-DIGIT 1. On average in local currencies, excluding any major economic slowdown and/or major divestment
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CAPITAL MARKETS DAY October 6, 2025 Side comments to check in v59
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CAPITAL MARKETS DAY – OCTOBER 6, 2025113 DISCLAIMER This presentation contains forward-looking statements with respect to Saint-Gobain’s financial condition, results, business, strategy, plans and outlook. Forward-looking statements are generally identified by the use of the words "expect", "anticipate", "believe", "intend", "estimate", "plan" and similar expressions. Although Saint-Gobain believes that the expectations reflected in such forward-looking statements are based on reasonable assumptions as at the time of publishing this document, investors are cautioned that these statements are not guarantees of its future performance. Actual results may differ materially from the forward-looking statements as a result of a number of known and unknown risks, uncertainties and other factors, many of which are difficult to predict and are generally beyond the control of Saint-Gobain, including but not limited to the risks described in the “Risks Factors” section of Saint-Gobain’s Universal Registration Document and the main risks and uncertainties presented in the half-year 2025 financial report, both documents being available on Saint-Gobain’s website (www.saint-gobain.com). Accordingly, readers of this document are cautioned against relying on these forward-looking statements. These forward-looking statements are made as of the date of this presentation. Saint-Gobain disclaims any intention or obligation to complete, update or revise these forward-looking statements, whether as a result of new information, future events or otherwise, except as required by applicable laws and regulations. This presentation does not constitute any offer to purchase or exchange, nor any solicitation of an offer to sell or exchange securities of Saint-Gobain. This presentation includes information pertaining to Saint-Gobain’s markets and competitive positions therein. Such information is based on market data and Saint-Gobain’s actual revenues in those markets for the relevant periods. Saint-Gobain obtained this market information from various third-party sources (industry publications, surveys, and forecasts) and its own internal estimates. No representation or warranty, express or implied, is made by Saint-Gobain or its managers, corporate officers, employees, contractors, representatives or advisors as to the accuracy or completeness of the information or opinions contained in this presentation that have not been independently verified. Markets and segments mentioned in this presentation are not relevant markets within the meaning of applicable competition laws and regulations.
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CAPITAL MARKETS DAY – OCTOBER 6, 2025114 GLOSSARY - Changes in local currencies reflect actual performance, applying exchange rates for the previous period to indicators for the period under review. - EBITDA: operating income plus operating depreciation and amortization, less non-operating costs. - EBITDA margin: EBITDA divided by sales. - Operating margin: operating income divided by sales. - Free cash flow = EBITDA less depreciation of right-of-use assets, plus net financial expense, plus income tax, less capital expenditure excluding additional capacity investments, plus change in working capital requirement over a rolling 12-month period. - Free cash flow conversion ratio = free cash flow divided by EBITDA less depreciation of right-of-use assets. - IRR: Internal Rate of Return - ROCE (Return on Capital Employed): operating income for the period under review, adjusted for changes in Group structure, divided by segment assets and liabilities at period-end. - WACC: Weighted Average Cost of Capital
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CAPITAL MARKETS DAY – OCTOBER 6, 2025115 APPENDIX
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CAPITAL MARKETS DAY – OCTOBER 6, 2025116 NORTHERN EUROPE 29% SOUTHERN EUROPE - ME & AFRICA 32% ASIA-PACIFIC 10% AMERICAS 29% 2024 END MARKETS 1 SALES SPLIT RESIDENTIAL NEW CONSTRUCTION 22% RESIDENTIAL RENOVATION 32% NON-RESIDENTIAL & INFRASTRUCTURE 33% INDUSTRY 13% 7% 8% 11% 3% 5% 15% 10% 2% 7% 8% 9% 5% 3% 1% 3% 3% 1. Saint-Gobain estimates for its end markets
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EUROPE, MIDDLE EAST AND AFRICA CAPITAL MARKETS DAY – OCTOBER 6, 2025117 SALES BY PRODUCT SEGMENT 2024 SALES BY END-MARKET 2024 37% 20% 35% 9% RESIDENTIAL RENOVATION RESIDENTIAL NEW CONSTRUCTION NON-RESIDENTIAL & INFRASTRUCTURE INDUSTRY 28% 10% 11% 41% 9% INTERIOR SOLUTIONS EXTERIOR SOLUTIONS CONSTRUCTION CHEMICALS SOLUTIONS JOBSITE SOLUTIONS & MERCHANTING INDUSTRIAL SOLUTIONS
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NORTH AMERICA CAPITAL MARKETS DAY – OCTOBER 6, 2025118 SALES BY PRODUCT SEGMENT 2024 SALES BY END-MARKET 2024 32% 26% 27% 15% RESIDENTIAL RENOVATION RESIDENTIAL NEW CONSTRUCTION NON-RESIDENTIAL & INFRASTRUCTURE INDUSTRY 36% 41% 8% 15% INTERIOR SOLUTIONS EXTERIOR SOLUTIONS CONSTRUCTION CHEMICALS SOLUTIONS INDUSTRIAL SOLUTIONS
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LATIN AMERICA CAPITAL MARKETS DAY – OCTOBER 6, 2025119 SALES BY PRODUCT SEGMENT 2024 SALES BY END-MARKET 2024 22% 23% 36% 19% RESIDENTIAL RENOVATION RESIDENTIAL NEW CONSTRUCTION NON-RESIDENTIAL & INFRASTRUCTURE INDUSTRY 21% 28%25% 7% 19% INTERIOR SOLUTIONS EXTERIOR SOLUTIONSCONSTRUCTION CHEMICALS SOLUTIONS JOBSITE SOLUTIONS & MERCHANTING INDUSTRIAL SOLUTIONS
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ASIA-PACIFIC CAPITAL MARKETS DAY – OCTOBER 6, 2025120 SALES BY PRODUCT SEGMENT 2024 SALES BY END-MARKET 2024 9% 30% 31% 31% RESIDENTIAL RENOVATION RESIDENTIAL NEW CONSTRUCTION NON-RESIDENTIAL & INFRASTRUCTURE INDUSTRY 37% 18% 14% 31% INTERIOR SOLUTIONS EXTERIOR SOLUTIONS CONSTRUCTION CHEMICALS SOLUTIONS INDUSTRIAL SOLUTIONS