Compagnie de Saint-Gobain

Transaction in Own Shares • May 19, 2017

May 19, 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 11 May to 17 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)
11-May-17	11,348	49.981	567,184	CHIX/TRQX/XPAR
12-May-17	58,108	49.977	2,904,064	BATE/CHIX/TRQX/XPAR
17-May-17	436,415	49.716	21,696,808	BATE/CHIX/TRQX/XPAR
Total over the period	505,871	49.752	25,168,056

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