Compagnie de Saint-Gobain

Transaction in Own Shares • May 9, 2023

May 9th , 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 from the 26th of April to the 5th 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)
2023-04-26	73,693	49.822	3,671,533	AQEU/CEUX/TQEX/XPAR
2023-04-27	2,997	49.959	149,728	AQEU/CEUX/TQEX/XPAR
2023-04-28	141,123	51.635	7,286,830	AQEU/CEUX/TQEX/XPAR
2023-05-02	140,941	51.702	7,286,861	AQEU/CEUX/TQEX/XPAR
2023-05-03	199,439	51.665	10,304,076	AQEU/CEUX/TQEX/XPAR
2023-05-04	227,169	51.104	11,609,313	AQEU/CEUX/TQEX/XPAR
2023-05-05	152,519	51.577	7,866,396	AQEU/CEUX/TQEX/XPAR
Total over the period	937,881	51.366	48,174,736