REGULATED PRESS RELEASE

from SAINT-GOBAIN (EPA:SGO)

Total number of voting rights and shares making up the share capital at January 31, 2026

Compagnie de Saint-Gobain – Société anonyme with a share capital of € 1,979,230,704

Tour Saint-Gobain – 12, place de l’Iris – 92400 Courbevoie, France

Total number of voting rights and shares making up the share capital

Article L.233-8 II of the French Commercial Code and

Article 223-16 of AMF General Regulations

DateTotal number of issued shares making up the Company’s share capitalTotal number of voting rights
Gross
Total number of voting rights
Exercisable
January 31, 2026494,825,319545,683,550543,812,952
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