#1BOND INVESTOR PRESENTATION NEW MULTI-TRANCHE EUR SENIOR BOND OFFERING & INAUGURAL SUSTAINABILITY-LINKED NEW ISSUE AUGUST 2022 SAINT-GOBAIN#2AGENDA 1. SAINT-GOBAIN AT A GLANCE AND RECENT DEVELOPMENTS 2. H1-2022 RESULTS, OPERATIONAL PRIORITIES & OUTLOOK 3. ESG STRATEGY 4. SUSTAINABILITY-LINKED FINANCING FRAMEWORK 5. TRANSACTION OVERVIEW GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 2 SAINT-GOBAIN#3SAINT-GOBAIN AT A GLANCE AND RECENT DEVELOPMENTS SAINT-GOBAIN#4GROW & THE WORLDWIDE LEADER IN LIGHT & SUSTAINABLE CONSTRUCTION IMPACT 2021-2025 MAKING THE WORLD A BETTER HOME SAINT-GOBAIN#5SAINT-GOBAIN HAS BALANCED EXPOSURE ACROSS RESILIENT SEGMENTS AND GEOGRAPHIES Other Industries Mobility 7% 6% New Construction - Non Residential 12% New Construction - Residential 22% 53% Renovation & infrastructure¹ Saint-Gobain breakdown of turnover by market² 1. Of which Renovation -50% 12 2. Pro forma to include Kaycan and GCP acquisitions Asia & emerging countries GROW & IMPACT Western 22% Europe 35% North America 18% 25% France Saint-Gobain breakdown of turnover by geography2 AUGUST 2022 INVESTOR PRESENTATION 5 SAINT-GOBAIN#6TRANSFORMATION AGILE COUNTRY-BASED PERFORMANCE-DRIVEN CUSTOMER-CENTRIC Proven proactivity and resilience To successfully navigate through uncertainty Decisions adapted to local specificities By empowered and accountable country CEOs Disciplined focus on execution With key performance indicators Outperformance vs. peers Comprehensive innovative solutions and best-in-class service STRONG PORTFOLIO Value creative & synergistic acquisitions Underperforming businesses have been divested GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 6 SAINT-GOBAIN#7WE ARE A MORE RESILIENT GROUP, HAVING ROTATED CLOSE TO 25% OF GROUP SALES GROW & IMPACT VALUE-CREATIVE ACQUISITIONS Sales acquired since T&G1 EBITDA / sales ~€3.5bn of which ~€2.4bn LTM² -20% CHRYSO SAINT-GOBAIN KAYCAN дер Monofrax UNDERPERFORMING ASSETS SOLD Sales divested since T&G1 EBITDA / sales ~€6.2bn <5% of which ~€1.9bn LTM² PAM SAINT-GOBAIN (China) glassolutions 3 2 ROCKWOOL INDIA IMPAC SAINT-GOBAIN Excellence Through Insulation Pvt Ltd (Denmark, Estonia, Germany, Austria, UK) 1. Deals closed or signed since the launch of Transform & Grow (end of 2018) 2. LTM: Last Twelve Months 3. Transaction completion expected before year-end Graham The Plumbers' Merchant CTD ceramic tile distributors LAPEYRE ideal BATHROOMS AUGUST 2022 INVESTOR PRESENTATION 7 SAINT-GOBAIN#8GROWTH AND OPERATING INCOME PROFILE IMPROVEMENT (IN EM AND AS A % OF SALES) Sales +7.3% Operating income 10.2% €41,174m 2018 Launch of transformation €44,160m 2021 +250 bps 7.7% €3,207m 2018 Launch of transformation €4,507m 2021 GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 8 SAINT-GOBAIN#9VERY STRONG FREE CASH FLOW AND CONVERSION RATIO... (FREE CASH FLOW IN EM AND CONVERSION RATIO IN %) GROW & IMPACT 1,236 31% 2018 Launch of transformation 2,904 53% 2021 2018-2021 ■New cash culture Positive impact of change in the Group's profile ■ Optimization of capital expenditure Reduction in operating working capital requirement (operating WCR): decrease of 12 days' sales End of June 2022 Free cash flow of €1.7bn Free cash flow conversion ratio of 51% Delivered target of a FCF conversion ratio >50% AUGUST 2022 INVESTOR PRESENTATION 9 SAINT-GOBAIN#10STRENGTHENING OUR BALANCE SHEET 11.2 Net debt, €bn IFRS16 2.4 7.3 8.2 IFRS16 4.1 2018 GROW & IMPACT Net debt / EBITDA 1.2 1.2 2021 End-June 2022 2018 Launch of transformation 2021 Net debt/EBITDA ratio between 1.5x and 2.0x CMD target Saint-Gobain's credit rating upgraded from Baa2 to Baa1 by Moody's Standard & Poor's has also revised its outlook to positive AUGUST 2022 INVESTOR PRESENTATION 10 SAINT-GOBAIN#11H2 2022 2023 2024 DEBT MATURITY PROFILE AS AT 30 JUNE 2022 IN ЄM (WITHOUT LEASE DEBT) 3.000 2,884 2 800 Short-term debt regularly renewed Cash & equivalent: €6,935m • 85% in Euro 2 600 71% at fixed rate 2 400 Back-up lines: €4,000m • Gross debt (without lease debt): Average maturity above 4 years 2 200 2,033 2 000 1 800 1,585 1 600 1 400 1 200 989 1.041 1 000 763 754 696 800 600 328 400 200 140 349 34 203 99 40 30 0 2025 2026 2027 2028 2029 2031 2032 Other debts Securitization EUR, USD Commercial Paper Private Placements Bonds in GBP ■Bonds in EUR 2033 2034 2035 2038 2049 Perpetual AUGUST 2022 INVESTOR PRESENTATION 11 SAINT-GOBAIN GROW & IMPACT#12STRONG IMPROVEMENT IN VALUE CREATION RATIOS (before tax, after IFRS16) ROI 18.1% +950 bps 2018 Launch of transformation 27.6% 2021 ■ROCE 15.3% +460 bps 10.7% 2018 Launch of transformation 2021 GROW & IMPACT 2021 results presentation 12 SAINT-GOBAIN#13H1-2022 RESULTS, OPERATIONAL PRIORITIES AND OUTLOOK SAINT-GOBAIN#14H1 2022 HIGHLIGHTS: RECORD RESULTS Sales growth +15.1% vs. H1 2021 (+15% like-for-like) €25,481m Operating income Recurring net income +17.5% vs. H1 2021 (+13% at constant exchange rates) €2,791m (record operating margin of 11.0%) Price Cost Spread +€250m +20.5% vs. H1 2021 €1,814m ○ Free cash flow €1,686m with a conversion ratio > 50% igarnityr armatur AN EXCELLENT PERFORMANCE despite Covid-19 | inflation | supply chain challenges Bade mili Rørlegger on duty GROW & IMPACT PRE H1 2022 RESULTS AND OUTLOOK VIBLES SAINT-GOBAIN#15INCOME STATEMENT H1-2022/ H1-2021 H1-2022 €m H1-2021 Sales 22,131 25,481 +15.1% Operating income 2,376 2,791 +17.5% Non-operating costs (82) (100) Capital gains (losses) and impacts resulting from changes in Group structure. (53) (138) Asset write-downs and other (97) (60) Business income 2,144 2,493 +16.3% Net financial expense Income tax (213) (194) (593) (530) Net attributable income 1,298 1,724 Recurring net income 1,506 1,814 +20.5% Half-year recurring EPS (in €) 2.85 3.51 +23.2% GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 15 SAINT-GOBAIN#16SAINT-GOBAIN STRATEGIC POSITIONING AND OPERATIONAL READINESS GROW & IMPACT A large part of Saint-Gobain markets are resilient We are better positioned than ever to face more challenging conditions AUGUST 2022 INVESTOR PRESENTATION 16 SAINT-GOBAIN#17STRONG MEGATRENDS ARE DRIVING THE GROUP KEY MARKETS GROW & IMPACT 40% of global CO2 emissions linked to construction Energy-efficient renovation x3 increase in resource consumption in the last 50 years Light construction +2bn urban population in emerging markets in the next 30 years Industry & Construction decarbonization AUGUST 2022 INVESTOR PRESENTATION 17 SAINT-GOBAIN#18ENERGY-EFFICIENT RENOVATION IS MORE RELEVANT THAN EVER Powerful drivers are aligned EU Regulations Energy Performance of Buildings Directive Country initiatives GROW & IMPACT Acceleration of energy savings stimulus plans Commitment to reach carbon neutrality Energy independence Protection of household purchasing power Introduction of minimum required standards of energy efficiency in buildings 0 MaPrimeRénov': renewed commitment by government aiming for 700k renovations per year ~55% of buildings in EU are estimated to be energy grade E, F, or G 0 REPowerEU • Additional €56bn funding until 2027 for energy efficiency Validation of the €3.5bn Polish recovery plan for energy efficiency, aiming for 250k renovations per year Extension and higher amount dedicated to "superbonus" Launching Energy Savings Certificates in addition to the €7bn "Green deal" for renovation 1. European commission: impact assessment report accompanying the energy performance of building directive - analysis on residential buildings ~50% of Group sales in renovation New energy saving plan for buildings in July 2022 €500m for 2022-2024 for home insulation + mandatory D level for house rentals by 2030 AUGUST 2022 INVESTOR PRESENTATION 18 SAINT-GOBAIN#19STILL LARGE UNMET DEMAND IN CONSTRUCTION MARKETS In '000 units Housing shortage 7.3% 4.1% 4.2% 3.2% 2.7% 1.6% 12.5% 0 0 GROW & IMPACT Housing starts much lower than peak -12% -21% -23% 670 3,800 160 1,200 331 150 1,800 -87% Housing shortage, as % of housing stock1 Housing starts in 2021 vs. previous peak 1. Estimate for 2020 by Freddie Mac & Housing Europe, Scotiabank 2021 2. UK: vs. 2006 | France: vs. 2006 | USA: vs. 2005 | Spain: vs. 2006 - sources: Euroconstruct | French Ministry of ecological transition and territorial cohesion | Oxford Economics AUGUST 2022 INVESTOR PRESENTATION 19 SAINT-GOBAIN#20LIGHT CONSTRUCTION IS GROWING FASTER THAN TRADITIONAL CONSTRUCTION Strong rationale Light construction is growing faster than traditional construction by 1 to 5 points Construction decarbonization, resource intensity reduction -50% raw material usage Time & productivity gains Up to 20% time saved on site Well-being benefits for all Thermal, acoustic, visual comfort 1. Ducker Research and Consulting market study - May 2022 5pts 3pts 3pts 1pt 0 Light construction market share¹ 75% 58% 35% 89% ~40% of Group sales in light construction GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 20 SAINT-GOBAIN#21SAINT-GOBAIN STRATEGIC POSITIONING AND OPERATIONAL READINESS GROW & IMPACT A large part of Saint-Gobain markets are resilient ☐ We are better positioned than ever to face more challenging conditions AUGUST 2022 INVESTOR PRESENTATION 21 SAINT-GOBAIN#22OUR ACTION PLANS FOR ENERGY IN EUROPE ARE WELL UNDERWAY GROW & IMPACT • ACROSS ALL PLANTS Priority industry qualification, especially in glass and insulation Increasing flexibility in our plants GLASS 13 floats, most of which are or will be very soon able to run without Russian gas • • 4 are ready to run on alternative energy sources (heavy fuel or diesel) 4 will have the flexibility by year-end 5 have an extremely limited exposure to Russian gas INSULATION Half of plants are equipped with electrical furnaces Additional investments ongoing to diversify energy mix and maintain production • GYPSUM Plasterboard plants are very flexible assets Some plants already able to run on LNG¹ and investments ongoing to convert certain processes to diesel or LNG1 ~2% of Group sales directly exposed to Russian gas after the contingency plans² 1. LNG: Liquefied Natural Gas 2. In the most exposed countries: Poland, Germany, Czech Republic AUGUST 2022 INVESTOR PRESENTATION 22 SAINT-GOBAIN#23WE ARE WELL POSITIONED TO OUTPERFORM ORME LA PLATEFORME DU CARRELEUR ANTRE prêtes min. BERTINTING - the ack GROW & IMPACT Positioning on strong underlying markets Full solutions offering Powerful organization & culture, truly multi-national AUGUST 2022 INVESTOR PRESENTATION 23 SAINT-GOBAIN#242022 OUTLOOK GROW & IMPACT ■ Europe: supportive renovation market requiring comprehensive solutions within each country, especially for energy efficiency ■ Americas: upbeat market trends, particularly in residential construction in North America; less dynamic environment in Brazil Asia-Pacific: market growth with continued very good momentum in India and a recovery in South-East Asia; short-term uncertainties in China owing to coronavirus-related restrictions High Performance Solutions: market growth with supportive long-term trends in terms of sustainable construction and a demand for innovation and new materials for industry decarbonization and green mobility, despite the low level of the automotive market in Europe In this context, Saint-Gobain confirms that it is targeting a further increase in operating income in 2022 compared to 2021 at constant exchange rates AUGUST 2022 INVESTOR PRESENTATION 24 SAINT-GOBAIN#25ESG STRATEGY SAINT-GOBAIN#26ESG LEADERSHIP FOR LONG-TERM VALUE CREATION BUILD A DECARBONATED HOME Climate change EMPOWER OUR LOCAL ECOSYSTEMS DRIVE CIRCULARITY INTO OUR MARKETS Circular economy PIONEER THE HIGHEST STANDARDS Health & safety across the value chain FOSTER AN OPEN & ENGAGING WORK ENVIRONMENT ACT WITHOUT ANY COMPROMISE Inclusive growth Employee engagement & diversity Business ethics GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 26 SAINT-GOBAIN#27BUSINESS MODEL DIRECTLY CONTRIBUTING TO ESG OUTCOMES MAXIMIZE OUR IMPACT Solutions delivering benefits all along the value chain & MINIMIZE OUR FOOTPRINT Continuous improvement of our operations GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 27 SAINT-GOBAIN#28DELIVERING BENEFITS ALL ALONG THE VALUE CHAIN तल Performance User experience Green Sustainability • CO₂ & ENERGY SAVINGS • RESOURCES & CIRCULARITY Well-being HEALTH & SAFETY COMFORT * Visual " + Thermal Acoustic Air quality Economic value PRODUCTIVITY FINANCIAL BENEFIT 72% sustainable sales ⚫ AESTHETICS & DESIGN • TRUSTED SOLUTIONS GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 28 SAINT-GOBAIN#29DELIVERING CARBON BENEFITS ALL ALONG THE VALUE CHAIN Low carbon products and solutions: 1,700 EPD1 1st issuer worldwide in construction Up to 70% energy savings with External Thermal Insulation Systems (ETICS) 1. Environmental Product Declaration EPD ERIFIED ISOVer GROW & IMPACT Admixture solutions: -50% on the carbon footprint of concrete 95% heat loss reduction with technical insulation AUGUST 2022 INVESTOR PRESENTATION 29 SAINT-GOBAIN#30OUR INNOVATIONS DECARBONIZE CONSTRUCTION H CHRYSO SAINT-GOBAIN Environmix Ultra Low Carbon admixture Co-development of a low carbon concrete HOFFMANN GREEN CEMENT TECHNOLOGIES Low carbon concrete BOUYGUES CONSTRUCTION 1st utilization of 0% clinker decarbonized clay concrete on a construction site placo SAINT-GOBAIN Isover SAINT-GOBAIN FA FAÇADE F4 Highly insulated lightweight facades with 2x less CO2 and water consumption¹ 1. vs. traditional wall facade with similar performances GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 30 SAINT-GOBAIN#31CONTRIBUTING TO A DECARBONIZED WORLD MAXIMIZE OUR IMPACT & MINIMIZE OUR FOOTPRINT ~1,300 millions t CO₂ avoided from our solutions sold in 1 year -23% CO2 emissions scope 1+2* ~40% of green electricity in 2021 -14% water withdrawal* ON TRACK TO MEET OUR NET ZERO CARBON AMBITION * 2021 vs. 2017 GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 31 SAINT-GOBAIN#32GROW & IMPACT TAKING ACTIONS FOR A DECARBONIZED WORLD 19% Electricity Scope 1+2 10.3 Mt CO2 11% Raw marerials 70% Fossil fuels 30% Transpor- tation 11% Energy Scope 3 21.3 Mt CO2 3% Other 0 56% Purchases of raw materials 2030 Objectives Scope 1+2: -33% CO2 emissions Scope 3: -16% CO2 emissions -23% CO2 emissions 2021 vs. 2017 Extension of the coverage of impacts ■ Collaboration with suppliers Science Based Targets initiative validation 2030 vs. 2017 AUGUST 2022 INVESTOR PRESENTATION 32 SAINT-GOBAIN#33LEVERS NEEDED TO ACHIEVE -33% SCOPE 1+2 EMISSIONS BY 2030 100% 2017 2020 vs. 17 Volume growth 1. Enhanced by our 75€/t internal CO2 price for CapEx, 150€/t for R&D * -33% Lighter products GROW & IMPACT NET ZERO CARBON Industry 4.0 Performance Roadmap Green investment¹, recycling * Target on the net zero trajectory validated by Science Based Targets initiative Green energy Power Purchase Agreements 66% 2030 vs. 17 AUGUST 2022 INVESTOR PRESENTATION 33 SAINT-GOBAIN#34NET ZERO CARBON PRODUCTION World's first zero carbon plasterboard plant World's first zero carbon production of flat glass H Investment €25 million Operational in 2023 Investment CAD$90 million Operational in 2024 Pilot production in May 2022 0 ■ 100% recycled glass (cullet) 100% biogas and decarbonized energy GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 34 SAINT-GOBAIN#35TAKING ACTIONS FOR A MORE CIRCULAR WORLD Reducing waste Non recovered waste 0.459 Mt -24% Increasing recycling content Virgin raw material Avoided 9.952 Mt +1% GROW & IMPACT Promoting circular flows Linha Cimentcola quartzolit. Soluções para assentamento de cerâmicas. 2021 vs. 2017 -80% 2030 vs. 2017 2021 vs. 2017 Substitution of all plastic bags with paper packaging for mortars in Brazil 2030 Objectives +30% 2030 vs. 2017 100% recyclable packaging AUGUST 2022 INVESTOR PRESENTATION 35 SAINT-GOBAIN#36TAKING ACTIONS FOR A MORE CIRCULAR WORLD Waste-to-value: contribution to industry-wide recycling initiatives Recycling services: development of waste collection in our value chain: Tri'n' Collect in France GROW & IMPACT 43 100% Recycling technically possible but limited by the availability • • Networks / services to upcycle wastes 150 Collection points in our distribution network Valoref (internal recycling venture) Collaboration with many stakeholders AUGUST 2022 INVESTOR PRESENTATION 36 SAINT-GOBAIN#37INCREASE RECYCLING CONTENT IN PRODUCTION GROW & IMPACT Investments in Nashville, Arkansas, gypsum plant to recycle and reuse 65,000 tons of materials per year New glass wool production capacity with installation of a treatment unit for deconstruction waste AUGUST 2022 INVESTOR PRESENTATION 37 SAINT-GOBAIN#38CARING ABOUT PEOPLE AND COMMUNITIES Ensure safety on sites: ☐ Safety culture Employees, temporary workers and permanent subcontractors 2/3 of sites did not report an accident in 2021 With and without lost time accident rate 7.6 Heath & Safety Divided by 4 in 10 years 2021: 1.9 2030 Objective: 1.5 88% employees covered by 1.9 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 CARE BY SAINT-GOBAIN program GROW & IMPACT New health policy and mental well-being program AUGUST 2022 INVESTOR PRESENTATION 38 SAINT-GOBAIN#39LEADERSHIP & ACCOUNTABILITY ACROSS SAINT-GOBAIN ON ESG GROW & IMPACT 1. Short-Term Incentives 2. Long-Term Incentives Embed ESG into management processes Orchestrate the Local ESG roadmaps acceleration Shape the Industry's ESG agenda = ESG 10% in STI¹ for all executives, 20% for all 2,300 beneficiaries of LTI² ESG part of all capex validation Board + ExCo ESG Committees CO2 roadmaps by country and regional carbon funds to support employees initiatives 75€/t CO2 price in capex, 150€/t in R&D decisions €100m annual capex & R&D budget on CO₂ 2 EFRAG Collaborate with governmental organizations WORLD GREEN BUILDING COUNCIL and NGOs Partner with the ecosystem Nurture & exchange with start-ups NET ZERO CARBON WATER BY SAINT-GOBAIN WCM BY SAINT-GOBAIN RESPONSIBLE PURCHASING CIRCULAR ECONOMY BY SAINT-GOBAIN MWB BY SAINT-GOBAIN AUGUST 2022 INVESTOR PRESENTATION 39 SAINT-GOBAIN#40RECOGNITION AS A KEY ESG ENABLER ESG SCORING AGENCIES Ranked Medium ESG Risk Top 13% of industry INDICES & THIRD-PARTY RECOGNITION SUSTAINALYTICS MSCI # CDP DISCLOSURE INSIGHT ACTION Ranked A Ranked Climate Change A Among best 200 companies ranked Bloomberg Gender-Equality Index Member 2019/2020 STOXX ESG LEADERS INDICES GROW & IMPACT 13 2022 FTSE4Good CAC 40 ESGⓇ ISS ESG‣ MOODY'S ESG Solutions Ranked Prime (C+) Top 10% of industry Ranked 60/100 Top 12% of industry SCIENCE BASED TARGETS DRIVING AMBITIOUS CORPORATE CLIMATE ACTION top EMPLOYER GLOBAL 2022 CERTIFIED EXCELLENCE IN EMPLOYEE CONDITIONS AUGUST 2022 INVESTOR PRESENTATION 40 SAINT-GOBAIN#41SUSTAINABILITY-LINKED FINANCING FRAMEWORK SAINT-GOBAIN#42A SUSTAINABILITY-LINKED FINANCING FRAMEWORK TO STRENGTHEN OUR ROLE IN GENERATING POSITIVE IMPACTS A Framework reflecting Saint-Gobain's purpose: Making the World a Better Home Rationale for establishing a Sustainability-Linked Financing Framework ☐ GROW & IMPACT ■ Saint-Gobain ambitions to contribute to a responsible development, by addressing the climate emergency, committing to carbon neutrality and developing the circular economy. Saint-Gobain believes that the establishment of a Sustainability-Linked Financing Framework will strengthen its role in generating positive impacts on all aspects of its CSR strategy. A Framework aligned with best market practices and covering multiple types of Sustainability-Linked financing instruments CMA Sustainability-Linked Bond Principles Voluntary Proces Q June 2020 Sustainability-Linked Loan Principles APLIKA LMA 25 LSTA ICMA Sustainability-Linked Bond Principles (2020) LMA Sustainability-Linked Loan Principles (2022) 1. SPT: Sustainability Performance Target 1 Selection of KPIs 2 Calibration of SPTS1 3 Financing characteristics 4 5 Reporting Verification AUGUST 2022 INVESTOR PRESENTATION 42 SAINT-GOBAIN#43OVERVIEW OF THE SUSTAINABILITY-LINKED FINANCING FRAMEWORK GROW & IMPACT KPI 1: Absolute Scope 1 & 2 CO₂ emissions -33% by 2030 SCIENCE BASED TARGETS KPI 2: Absolute Scope 3 CO2 emissions KPI 3: Non-recovered production waste KPI 4: Total Recordable Accident Rate -16% by 2030 -80% by 2030* 1.5 by 2030 BEHAR CPOATE CLEA Financing characteristics Relevant KPI(s), SPT(s) and financial characteristics to be specified in each corresponding documentation Reporting Annual reporting, including on the annual performance of the KPIs, to be published by Saint-Gobain as part of its audited URD Pre-issuance verification (SPO) done by ISS-ESG Verification Post-issuance verification to be performed by an external verifier 1 KPIs selected for this inaugural SLB J transaction Versus 2017 ISS ESG‣ AUGUST 2022 INVESTOR PRESENTATION 43 SAINT-GOBAIN#44KPI 1: REDUCE ABSOLUTE SCOPE 1&2 CO2 EMISSIONS Sustainability Performance Target Reduce absolute Scope 1 and 2 CO2 emissions 33% by 2030 (from a 2017 base year) SCIENCE BASED TARGETS DRIVING AMBITIOUS CORPORATE CLIMATE ACTION Definition Well- Below 2°C 13 CLIMATE ACTION GROW & IMPACT 12 RESPONSIBLE CONSUMPTION AND PRODUCTION Saint-Gobain's direct emissions and indirect emissions associated with energy, in line with the GHG Protocol Historical performance -23% 13.4 11.7 10.8 10.4 10.3 2017 2018 2019 2020 Scope 1&2 CO2 emissions, in Mteq Strategy to achieve the SPT ■ 2050 Net Zero carbon emissions program ◉ Optimization on production and products based on the World Class Manufacturing program WCM BY SAINT-GOBAIN ▪ Investment for the transition ■ Innovation solutions for zero emitting processes 2021 ■ Green energy and PPAs AUGUST 2022 INVESTOR PRESENTATION 44 SAINT-GOBAIN#45KPI 3: REDUCE NON-RECOVERED PRODUCTION WASTE Sustainability Performance Target (SPT) Definition Achieve an 80% reduction of non- recovered production waste by 2030 (from a 2017 base year) CLEAN WATER AND SANITATION 12 RESPONSIBLE CONSUMPTION AND PRODUCTION QO 13 CLIMATE ACTION GROW & IMPACT Non-recovered production waste (including non-hazardous and hazardous waste), i.e. excluding waste that is generated following the delivery of a designated product to the consumer. Non-recovered waste is defined as waste sent to landfill (for hazardous waste, properly disposed according to applicable laws and regulations) and waste sent to incineration without energy recovery. Historical performance -24% 0.604 0.517 0.515 0.445 0.459 2017 2018 2019 2020 2021 Non-recovered production waste, in Mt Strategy to achieve the SPT ■ Sustainable Resource management policy to facilitate the transition to a circular economy ■ Reduction of the quantities of waste generated in accordance with the three Rs hierarchy: reduce, reuse and recycle ☐ Synergies among the Group's different industrial processes to optimize the reuse of waste and by-products AUGUST 2022 INVESTOR PRESENTATION 45 SAINT-GOBAIN#46SECOND PARTY OPINION BY ISS-ESG GROW & IMPACT "The Framework is in line with the Sustainability-Linked Bond Principles by ICMA and Sustainability-Linked Loan Principles by LMA, APLMA and LSTA" ISS ESG‣ ISS ESG KPI 1: Absolute Scope 1&2 CO₂ emissions Relevant and Core Material to the company's direct operations Ambitious against past performance SECOND PARTY OPINION (SPO) Sustainability Quality of the Issuer and Sustainability-Linked Financing Framework Compagnie de Saint-Gobain 27 July 2022 KPI 2: Absolute Scope 3 CO2 emissions Relevant and Core Material to the company's upstream value chain Ambitious against past performance VERIFICATION PARAMETERS Type(s) of instruments contemplated KPI 3: Non-recovered production waste Relevant and Core Moderately Material Ambitious against past performance KPI 4: Total recordable accident rate Relevant, Core and Material Ambitious against past performance and peers Sustainability-Linked Financing Instruments Relevant standard(s) Scope of verification Lifecycle Sustainability-Linked Bond Principles, as administered by ICMA (06.2020) Sustainability-Linked Loan Principles, as administered by LMA, the APLMA and LSTA (03.2022) Saint-Gobain's Sustainability-Linked Financing (25.07.2022) Pre-issuance verification Framework Validity As long as Saint-Gobain's Sustainability-Linked Financing Framework and benchmarks for the Sustainability Performance target(s) remain unchanged. ©2022 | Institutional Shareholder Services and/or its affiliates AUGUST 2022 INVESTOR PRESENTATION 46 SAINT-GOBAIN#47TRANSACTION OVERVIEW SAINT-GOBAIN#48INDICATIVE TERMS AND CONDITIONS Issuer Format Status of the Notes Issuer Rating Expected Issue Rating Use of Proceeds Tranche 1 (Standard) GROW & IMPACT Compagnie de Saint-Gobain Tranche 2 (Standard) Senior Unsecured, Bearer Dematerialized Notes BBB (positive) by S&P / Baa1 (stable) by Moody's BBB by S&P/Baa1 by Moody's Tranche 3 (Sustainability-Linked) General Corporate Purposes Currency and Amount EUR 500m "Will not Grow" EUR 500m "Will not Grow" Tenor Interests [3]-year Fixed Short [6]-year (June 2028) Fixed Sustainability Trigger Event Second Party Opinion Redemption (Call/Put Options) Listing / Denominations / Governing law Documentation ESG Sole Structuring Advisor Global Coordinators Active Bookrunners EUR 500m "Will not Grow" [10]-year Fixed, +37.5 bp step-up coupon per KPI if SPT(s) are not met A Sustainability Trigger Event will occur if the Issuer fails to achieve one or more of the following on the Target Observation Date being 31 December 2030: SPT1 Reduce absolute Scope 1 and 2 GHG emissions 33% by 2030 ■ SPT2: Achieve an 80% reduction of non-recovered production waste by 2030 Make Whole Redemption, 3 month par call, Clean-Up Call (80%), Change of Control put option Euronext Paris / EUR 100,000+ EUR 100,000/ English law ISS ESG EMTN EMTN Standalone preliminary prospectus dated 29 July 2022 Société Générale Société Générale, Crédit Agricole CIB, Goldman Sachs Bank Europe SE Commerzbank, Mizuho, Barclays BBVA, UniCredit, Standard Chartered Bank AG Deutsche Bank, ING, SMBC AUGUST 2022 INVESTOR PRESENTATION 48 SAINT-GOBAIN#49IMPORTANT DISCLAIMER - FORWARD-LOOKING INFORMATION 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 Saint-Gobain's registration document available on its website (www.saint-gobain.com) and the main risks and uncertainties presented in the half-year 2022 financial report. 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 document. 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. 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. GROW & IMPACT AUGUST 2022 INVESTOR PRESENTATION 49 SAINT-GOBAIN