Compagnie de Saint-Gobain

Transaction in Own Shares • May 18, 2021

May 18, 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 11th to the 17th 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)
2021-05-11	365,973	54.731	20,029,922	CEUX/TQEX/XPAR
2021-05-12	226,209	54.779	12,391,525	CEUX/TQEX/XPAR
2021-05-13	220,000	54.307	11,947,628	XPAR/DXE/TQE
2021-05-14	82,037	54.708	4,488,113	XPAR/DXE/TQE
2021-05-17	210,656	54.765	11,536,492	XPAR/DXE/TQE
Total over the period	1,104,875	54.661	60,393,680