Saint-Gobain // Universal Registration Document 2021

5 Corporate governance Composition and operation of the governing bodies SAINT-GOBAIN UNIVERSAL REGISTRATION DOCUMENT 2021 158 SIBYLLE DAUNIS-OPFERMANN Director representing employee shareholders Principal office held: Chief executive officer of PUM PUM – 4 rue René Francart – 51100 Reims 47 years old Nationality: French Number of shares held: 900 Date of first election: March 2020 Term start date: March 2020 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2024 Expertise and experience Mrs. Sibylle Daunis-Opfermann began her career in 1996 in an SME in the automotive sector, where she was responsible for optimizing the non-production purchases of large groups in the automotive subcontracting sector. In 1998, she joined the Welding activity of the Air Liquide Group, where she held the position of deputy to the Production Purchasing Director, before joining the Marketing Department and being in charge of the management of the whole trading products. In 2001, she joined Virax, a Facom Group company specialized in plumber’s tools, as purchasing manager. In 2005, she joined the Saint-Gobain Group, within PUM Plastiques, where she was deputy to the Purchasing Director. She held this position until 2010 before being appointed Marketing and Purchasing Director. In 2013, she was entrusted, in addition to her duties, with the digitalization of the trading brand, and with the function of Head of the Communication Department. Since September 2016 she has been Chief executive officer of PUM. Mrs. Sibylle Daunis-Opfermann has been a Director of Compagnie Saint-Gobain since March 2020. Offices and duties held outside the Group None. Other offices held outside the Group and expired over the past five years None. LINA GHOTMEH Independent Director Main position held: Architect Compagnie de Saint-Gobain – “Tour Saint-Gobain” – 12 Place de l’Iris – 92400 Courbevoie, France 42 years old Nationalities: French, Lebanese Number of shares held: 800 Date of first election: November 2021 Term start date: November 2021 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2022 Expertise and experience Mrs. Lina Ghotmeh is a particularly renowned architect on the international scene. She is leading her own studio, Lina Ghotmeh – Architecture, in Paris and works with a multicultural team to produce architectural designs in France and abroad. She has received numerous awards, including the 2008 AJAP prize from the French Ministry of Culture, the 2016 DEJEAN prize from the Académie d’Architecture, the 2016 Grand Prix Afex, the 2019 Pierre Cardin prize from the Académie des Beaux-Arts de Paris, and more recently, the 2020 Tamayouz “Woman of Outstanding Achievement” Award and the 2020 Schelling Foundation Prix d’Architecture. She has also been nominated for the Moira Gemmill Prize, a British award. Her work was exhibited at the 17th Venice Biennale of Architecture and is frequently published, notably in works of Phaidon and RIBA, or in the reviews AA, Domus and Architectural Record. She teaches at the Yale School of Architecture in the United States, at the University of Toronto in Canada and has taught at the École Spéciale d’Architecture. She has lectured at several institutions including Columbia University in the United States, Parsons School in France and the Royal College of Art in the United Kingdom. Mrs. Lina Ghotmeh has been a Director of Compagnie de Saint-Gobain since November 2021. Offices and duties held outside the Group Chairwoman of Lina Ghotmeh Architecture ■ Other offices held outside the Group and expired over the past five years None.