Compagnie de Saint-Gobain

Transaction in Own Shares • Jun 2, 2017

June 2, 2017

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, 2016 (12th 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 29 May to 31 May 2017

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)
29-May-17	46,670	49.964	2,331,820	BATE/CHIX/TRQX/XPAR
30-May-17	406,388	49.844	20,256,003	BATE/CHIX/TRQX/XPAR
31-May-17	345,983	49.840	17,243,793	BATE/CHIX/TRQX/XPAR
Total over the period	799,041	49.849	39,831,616

N.B. : other transactions may have been carried out outside Article 5 §2 of Regulation (EU) n°596/2014

Details of such transactions are available at the following address : https://www.saint-gobain.com/en/finance/regulatedinformation/share-buyback