Investor Presentaiton

MATERIALITY MATRIX The materiality matrix is an essential tool that relies on the mapping of the organization's stakeholders. It summarizes the results of the work, which consists of: • identifying priority issues, based on the available documentation concerning the company, . • its activities and its environment; sharing these issues with its main stakeholders; prioritizing these issues by comparing stakeholders' expectations and the vision of management. A methodology note is available on the Group's website. The assessment is based on information gathered during interviews with experts, customer surveys, employee surveys, minutes of meetings with various stakeholders, and internal interviews. For example, interviews with external stakeholders carried out as part of "the purpose" or the "me@saint-gobain" survey, conducted among Group employees, were included in the analysis. 64 ⚫ SAINT-GOBAIN 2022/2023 INTEGRATED ANNUAL REPORT STAKEHOLDER EXPECTATIONS LEVEL 3 LEVEL 2 LEVEL 1 CSR CHALLENGES OF MODERATE IMPORTANCE IMPORTANT CSR CHALLENGES MOST STRATEGIC CSR CHALLENGES Strong brands inspiring customers' confidence Biodiversity Anticipation of climate change risks Advocacy Circular economy Sustainable solutions - health and safety quality impact Sustainable solutions - carbon impact Business ethics Reduction of carbon footprint Employee development Use and management of raw materials Digital transformation for operational efficiency Societal inclusion Synergy-generating structure Responsible purchasing Growth to meet local needs Sustainable solutions - well-being and comfort Codevelopment partnerships in industry markets Teams diversity Health and Safety Social dialogue Collaborative innovation Agility & business model resilience LEVEL 3 CSR CHALLENGES OF MODERATE IMPORTANCE LEVEL 2 IMPORTANT CSR CHALLENGES VISION OF GROUP MANAGEMENT LEVEL 1 MOST STRATEGIC CSR CHALLENGES

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