Compagnie de Saint-Gobain

Transaction in Own Shares • Oct 26, 2021

October 26th , 2021

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 3, 2021 (17th 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 21th to the 25th of October 2021

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)
2021-10-21	53,228	59.988	3,193,015	XPAR/CEUX/TQEX/AQEU
2021-10-22	11,855	59.888	709,975	XPAR/CEUX/TQEX/AQEU
2021-10-25	288,342	59.858	17,259,518	XPAR/CEUX/TQEX/AQEU
Total over the period	353,425	59.878	21,162,507