Compagnie de Saint-Gobain

Transaction in Own Shares • Sep 7, 2021

September 7th , 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 1st to the 6th of September 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)
2021-09-01	218,006	61.250	13,352,889	CEUX/TQEX/XPAR
2021-09-02	195,479	61.476	12,017,287	CEUX/TQEX/XPAR
2021-09-03	126,159	61.360	7,741,129	CEUX/TQEX/XPAR
2021-09-06	127,195	61.185	7,782,426	CEUX/TQEX/XPAR
Total over the period	666,839	61.325	40,893,731