Compagnie de Saint-Gobain

Transaction in Own Shares • May 31, 2021

May 31, 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 4, 2020 (14th 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 25th to the 28th of May, 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)
2021-05-25	67,279	54.960	3,697,654	XPAR/DXE/TQE
2021-05-26	259,672	54.768	14,221,768	XPAR/DXE/TQE
2021-05-27	73,189	54.943	4,021,187	XPAR/CEUX/TQEX
2021-05-28	8,225	54.986	452,257	XPAR/CEUX/TQEX
Total over the period	408,365	54.835	22,392,865