Compagnie de Saint-Gobain

Transaction in Own Shares • May 28, 2018

May 28, 2018

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 8, 2017 (11th 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 22 May to 25 May 2018

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)
2018-05-22	92,988	45.462	4,227,383	BATE/CHIX/TRQX/XPAR
2018-05-23	534,247	44.929	24,002,970	BATE/CHIX/TRQX/XPAR
2018-05-24	358,258	44.822	16,057,983	BATE/CHIX/TRQX/XPAR
2018-05-25	492,586	44.596	21,967,464	BATE/CHIX/TRQX/XPAR
Total over the period	1,478,079	44.826	66,255,800

Details of such transactions are available at the following address : https://www.saint-gobain.com/en/finance/regulated-information/sharebuyback