Compagnie de Saint-Gobain

Transaction in Own Shares • May 21, 2024

May 21th, 2024

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 13th to the 20th of May 2024

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)
2024-05-13	165,290	80.865	13,366,209	AQEU/CEUX/TQEX/XPAR
2024-05-14	170,489	81.011	13,811,484	AQEU/CEUX/TQEX/XPAR
2024-05-15	189,825	81.864	15,539,853	AQEU/CEUX/TQEX/XPAR
2024-05-16	212,613	81.888	17,410,368	AQEU/CEUX/TQEX/XPAR
2024-05-17	231,488	81.063	18,765,112	AQEU/CEUX/TQEX/XPAR
2024-05-20	50,246	81.695	4,104,867	AQEU/CEUX/TQEX/XPAR
Total over the period	1,019,951	81.374	82,997,893