June 2, 2025



Reporting on share buyback transactions carried out in accordance with Article 5 §2 of
Regulation (EU) No 596/2014 of April 16, 2014 on market abuse


Share buyback program authorized by the Annual General Meeting of June 6, 2024 (19th resolution)

In accordance with applicable regulations, Compagnie de Saint-Gobain announces having carried out the following share buyback
transactions in accordance with Article 5 §2 of Regulation (EU) No 596/2014 from May 22 to May 23, 2025


Issuer: Compagnie de Saint-Gobain

Security type: SHARES - ISIN Code : FR0000125007




Total daily volume Daily weighted
Transaction date (number of shares average purchase Amount (in euros) Market (MIC Code)
bought back) price


2025-05-22 1,000 95.980 95,980 XPAR



2025-05-23 182,246 96.010 17,497,347 XPAR/CEUX/TQEX/AQEU



Total over the period 183,246 96.009 17,593,327




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