Compagnie de Saint-Gobain

Transaction in Own Shares • Oct 30, 2023

October 30th, 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 20th to the 27th of October 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)
2023-10-20	387,856	49.744	19,293,548	XPAR/CEUX/TQEX/AQEU
2023-10-23	101,750	49.947	5,082,117	XPAR/CEUX/TQEX/AQEU
2023-10-24	43,510	49.968	2,174,116	XPAR/CEUX/TQEX/AQEU
2023-10-25	162,915	49.765	8,107,530	XPAR/CEUX/TQEX/AQEU
2023-10-26	240,949	49.703	11,975,840	XPAR/CEUX/TQEX/AQEU
2023-10-27	63,234	49.229	3,112,947	XPAR/CEUX/TQEX/AQEU
Total over the period	1,000,214	49.735	49,746,098