Compagnie de Saint-Gobain

Transaction in Own Shares • Mar 24, 2025

March 24, 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 17 to March 21, 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)
2025-03-17	25,928	99.943	2,591,325	XPAR/CEUX/TQEX/AQEU
2025-03-18	15,917	99.981	1,591,393	XPAR/CEUX/TQEX/AQEU
2025-03-21	52,200	99.983	5,219,102	XPAR/CEUX/TQEX/AQEU
Total over the period	94,045	99.971	9,401,820