Compagnie de Saint-Gobain

Transaction in Own Shares • Jun 23, 2025

June 23 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 June 13 to June 19, 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)
2025-06-13	154,391	96.217	14,854,962	XPAR/CEUX/TQEX/AQEU
2025-06-18	45,609	95.584	4,359,504	XPAR/CEUX/TQEX/AQEU
2025-06-19	144,770	94.142	13,628,894	XPAR/CEUX/TQEX/AQEU
Total over the period	344,770	95.262	32,843,360