Compagnie de Saint-Gobain

Transaction in Own Shares • Oct 5, 2021

October 5th , 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 the 28th of September to the 1st 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)
2021-09-28	319,486	59.675	19,065,295	XPAR/CEUX/TQEX
2021-09-29	84,355	59.926	5,055,091	XPAR/CEUX/TQEX/AQEU
2021-09-30	356,313	58.787	20,946,501	XPAR/CEUX/TQEX/AQEU
2021-10-01	172,568	56.886	9,816,772	XPAR/CEUX/TQEX/AQEU
Total over the period	932,722	58.842	54,883,660