Compagnie de Saint-Gobain

Transaction in Own Shares • Aug 21, 2023

August 21th, 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 14th to the 18th of August 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)
2023-08-14	91,907	60.801	5,588,019	AQEU/CEUX/TQEX/XPAR
2023-08-15	123,670	60.662	7,502,107	AQEU/CEUX/TQEX/XPAR
2023-08-16	101,390	60.903	6,174,975	AQEU/CEUX/TQEX/XPAR
2023-08-17	59,038	60.261	3,557,689	AQEU/CEUX/TQEX/XPAR
2023-08-17	114,641	59.986	6,876,866	AQE/DXE/ENX/TQE
2023-08-18	255,180	59.141	15,091,549	AQE/DXE/ENX/TQE
Total over the period	745,826	60.056	44,791,206