Saint-Gobain // Universal Registration Document 2021

5 Corporate governance Company stock traded by corporate officers SAINT-GOBAIN UNIVERSAL REGISTRATION DOCUMENT 2021 221 Company stock traded by corporate officers 3. Transactions by corporate officers involving Compagnie de Saint-Gobain shares exceeding an aggregate amount of €20,000 reported to the French Financial Markets Authority (Autorité des marchés financiers) in 2021 pursuant to Article L.621-18-2 of the French Financial and Monetary Code were the following: Securities Type Transaction date Unit price Total amount Pierre-André de Chalendar Chairman of the Board of Directors Units of the Saint-Gobain France FCPE (Saint-Gobain Group Savings Plan) Disposal March 16, 2021 €48.33 256,170 Exercise of stock options Subscription March 16, 2021 €27.71 228,192 Units of the Saint-Gobain France FCPE (Saint-Gobain Group Savings Plan) Subscription March 17, 2021 €48.01 €6,514 Exercise of stock options Subscription May 4, 2021 €38.80 €620,800 Units of the Saint-Gobain France FCPE (Saint-Gobain Group Savings Plan) Disposal May 5, 2021 €53.27 €715,166 Units of the Saint-Gobain France FCPE (Saint-Gobain Group Savings Plan) Subscription May 6, 2021 €55.08 €29,140 Units of the Saint-Gobain France FCPE (Saint-Gobain Group Savings Plan) Subscription May 11, 2021 €35.81 €353,544 Exercise of stock options Subscription August 2, 2021 €38.80 €522,442 Units of the Saint-Gobain France FCPE (Saint-Gobain Group Savings Plan) Disposal August 4, 2021 €61.50 €590,660 Units of the Saint-Gobain France FCPE (Saint-Gobain Group Savings Plan) Subscription August 5, 2021 €63.42 €24,722 Sibylle Daunis-Opfermann Director representing employee shareholders Units of the Saint-Gobain France FCPE (Saint-Gobain Group Savings Plan) Disposal March 30, 2021 €50.45 €20,407 Units of the Saint-Gobain France FCPE (Saint-Gobain Group Savings Plan) Disposal August 4, 2021 €61.50 €123,320

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