Compagnie de Saint-Gobain

Notice of Dividend Amount • Jun 8, 2023

The General Shareholders' Meeting of Compagnie de Saint-Gobain was held today in Paris.

At this meeting, the shareholders present or represented held an aggregate 69.19% of the outstanding shares and all resolutions were adopted.

The shareholders approved the payment of a dividend up 23% to 2€ per share (compared to €1.63 for fiscal year 2021), to be wholly paid in cash. The ex-dividend date will be June 12, 2023, and the dividend payment will be made as from June 14, 2023.

The General Shareholders' Meeting also renewed the term of office of Ms. Dominique Leroy, independent Director, and appointed Ms. Jana Revedin as a new independent Director.

A webcast of the General Shareholders' Meeting and the results of the vote on each resolution will be available on the Company's website (www.saint-gobain.com) as from June 9, 2023.

Worldwide leader in light and sustainable construction, Saint-Gobain designs, manufactures and distributes materials and services for the construction and industrial markets. Its integrated solutions for the renovation of public and private buildings, light construction and the decarbonization of construction and industry are developed through a continuous innovation process and provide sustainability and performance. The Group's commitment is guided by its purpose, "MAKING THE WORLD A BETTER HOME".

€51.2 billion in sales in 2022 168,000 employees, locations in 75 countries Committed to achieving Carbon Neutrality by 2050

For more information about Saint-Gobain, visit www.saint-gobain.com and follow us on Twitter @saintgobain

Vivien Dardel: +33 1 88 54 29 77 Patricia Marie: +33 1 88 54 26 83 Floriana Michalowska: +33 1 88 54 19 09 Laure Bencheikh: +33 1 88 54 26 38 Alix Sicaud: +33 1 88 54 38 70 Flavio Bornancin-Tomasella: +33 1 88 54 27 96 James Weston: +33 1 88 54 01 24

1