Compagnie de Saint-Gobain

Transaction in Own Shares • Oct 12, 2021

October 12th , 2021

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 3, 2021 (17th 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 5th to the 11th of October 2021

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)
2021-10-05	43,904	56.628	2,486,174	XPAR/CEUX/TQEX/AQEU
2021-10-06	300,000	55.934	16,780,290	XPAR/CEUX/TQEX/AQEU
2021-10-07	439,180	58.797	25,822,510	XPAR/CEUX/TQEX/AQEU
2021-10-08	250,000	59.438	14,859,400	XPAR/CEUX/TQEX/AQEU
2021-10-11	235,025	59.655	14,020,393	XPAR/CEUX/TQEX/AQEU
Total over the period	1,268,109	58.330	73,968,767