H1 2021 Results and Outlook

| RECORD ORGANIC GROWTH IN H1 17,764 (€m) 2021/2020 +27.4% like-for-like +3.9% -2.6% -0.2% +23.5% +24.6% 2021/2019 +11.9% like-for-like ■ Organic growth of 11.9% versus H1 2019 Exchange rates: depreciation of the US dollar, the Brazilian real and other emerging country currencies H1-2020 sales Exchange Structure Price Volumes rates 6/ 22,131 (€m) H1-2021 sales Structure: continued optimization of Group profile (divestments and acquisitions) H1 2021 RESULTS AND OUTLOOK SAINT-GOBAIN

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