Compagnie de Saint-Gobain

Transaction in Own Shares • Mar 17, 2025

March 17, 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 10 to March 14, 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)
2025-03-10	91,674	99.874	9,155,803	XPAR/CEUX/TQEX/AQEU
2025-03-11	309,209	99.163	30,661,937	XPAR/CEUX/TQEX/AQEU
2025-03-12	163,260	99.818	16,296,303	XPAR/CEUX/TQEX/AQEU
13/03/2025	373,222	99.039	36,963,646	XPAR/CEUX/TQEX/AQEU
14/03/2025	87,475	98.990	8,659,107	XPAR/CEUX/TQEX/AQEU
Total over the period	1,024,840	99.271	101,736,796