Compagnie de Saint-Gobain

Transaction in Own Shares • May 15, 2023

May 15th , 2023

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 2, 2022 (16th 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 on the 9th of May 2023

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)
2023-05-09	13,265	51.994	689,699	AQEU/CEUX/TQEX/XPAR
Total over the period	13,265	51.994	689,699