Based on the recommendation of the Nomination and Remuneration Committee, the Board of Directors of Compagnie de Saint-Gobain S.A. decided on November 25, 2021 to co-opt Ms. Lina Ghotmeh as an independent director to replace Mr. Denis Ranque, who has resigned, for the remainder of the latter's term of office, i.e., until the close of the Shareholders General Meeting called to approve the financial statements for the year 2022. This cooptation, which takes effect from November 25, 2021, will be submitted for ratification at the Shareholders General Meeting on June 2, 2022. Ms. Lina Ghotmeh is an internationally renowned architect. She leads her own studio of architecture named Lina Ghotmeh - Architecture in Paris and produces architectural designs in France and abroad with her multicultural team.