Compagnie de Saint-Gobain

Transaction in Own Shares • Dec 18, 2023

December 18th, 2023

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 8, 2023 (13th 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 the 11th to the 15th of December 2023

Issuer: Compagnie de Saint-Gobain

Security type: SHARES - ISIN Code : FR0000125007

Transaction date	Total daily volume (number of shares bought back)	Daily weighted average purchase price	Amount (in euros)	Market (MIC Code)
2023-12-11	6,811	61.910	421,671	XPAR/CEUX/TQEX/AQEU
2023-12-14	321,640	66.060	21,247,474	XPAR/CEUX/TQEX/AQEU
2023-12-15	348,801	67.230	23,449,821	XPAR/CEUX/TQEX/AQEU
Total over the period	677,252	66.621	45,118,967