Compagnie de Saint-Gobain

Transaction in Own Shares • Mar 31, 2025

March 31, 2025

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 6, 2024 (19th 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 March 24 to March 28, 2025

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)
2025-03-24	119,167	99.815	11,894,642	XPAR/CEUX/TQEX/AQEU
2025-03-25	106,968	99.713	10,666,132	XPAR/CEUX/TQEX/AQEU
2025-03-26	141,765	99.841	14,153,959	XPAR/CEUX/TQEX/AQEU
2025-03-27	301,853	97.968	29,571,844	XPAR/CEUX/TQEX/AQEU
2025-03-28	211,362	96.919	20,485,036	XPAR/CEUX/TQEX/AQEU
Total over the period	881,115	98.479	86,771,614