Saint-Gobain // Universal Registration Document 2021

5 Corporate governance Composition and operation of the governing bodies www.saint-gobain.com SAINT-GOBAIN UNIVERSAL REGISTRATION DOCUMENT 2021 160 PAMELA KNAPP Independent Director Chairwoman of the Audit and Risk Committee Principal office held: Director of companies Compagnie de Saint-Gobain – “Tour Saint-Gobain” – 12 Place de l’Iris – 92400 Courbevoie, France 63 years old Nationality: German Number of shares held: 1,818 Date of first election: June 2013 Term start date: June 2021 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2024 Expertise and experience Mrs. Pamela Knapp began her career in 1987 as an M&A consultant at Deutsche Bank Morgan Grenfell GmbH and Fuchs Consult GmbH. In 1992, she was named Director of Strategic Projects, then of the Maintenance & Services Branch in the Transportation Systems Division of the Siemens Group, where she served until 1997. From 1998 to 2000, she was a Board member and Chief financial officer (CFO) of Siemens SA, Belgium and Luxembourg. In 2000, she became Director of the Siemens Group’s central Corporate Development Executives Department then, starting in 2004, Board member and Chief financial officer of the Power Transmission and Distribution Division of the Siemens Group, until 2009. From 2009 until October 2014, she was a member of the Management Board of GfK SE. Mrs. Pamela Knapp was also a member of the Supervisory Board of Monier Holdings SCA from 2009 to 2013 and of Peugeot SA from 2011 to 2021. Since June 2020, she has been a member of the Monopoly Commission (Monopolkommission), which advises the German Minister of the Economy on competition issues. Her other offices and positions held during the last five years are described below. Mrs. Pamela Knapp has been a Director of Compagnie de Saint-Gobain since June 2013. Offices and duties held outside the Group Member of the Supervisory Board and Chairwoman of ■ the Audit Committee of Lanxess AG* (Germany) Member of the Supervisory Board and Chairwoman of ■ the Audit Committee of Signify NV* (Netherlands) Other offices held outside the Group and expired over the past five years Member of the Supervisory Board, the Nomination, ■ Remuneration and Governance Committee and the Finance and Audit Committee of Peugeot SA* (2011-2021) Director and member of the Audit Committee of NV ■ Bekaert* (Belgium) (2016-2020) Director of HKP Group AG (Switzerland) (2013-2019) ■ Director and member of the Audit Committee of ■ Panalpina World Transport (Holding) Ltd* (Switzerland) (2015-2019) * Listed company AGNÈS LEMARCHAND Independent Director Chairwoman of the Corporate Social Responsibility Committee Member of the Audit and Risk Committee Principal office held: Director of companies Compagnie de Saint-Gobain – “Tour Saint-Gobain” – 12 Place de l’Iris – 92400 Courbevoie, France 67 years old Nationality: French Number of shares held: 2,252 Date of first election: June 2013 Term start date: June 2021 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2024 Expertise and experience Mrs. Agnès Lemarchand began her professional life with various operational responsibilities within the Rhône-Poulenc Group from 1980 to 1985. Appointed in 1986 as Chief executive officer of Industrie Biologique Française (IBF), she created IBF Biotechnics, a subsidiary of the Rhône-Poulenc Group and the Institut Mérieux, in the United States in 1987, of which she was appointed Chairwoman and Chief executive officer. In 1991, she joined the Ciments Français Group as Chief executive officer of Prodical, an industrial minerals subsidiary which she led from 1991 to 1996. She joined the Lafarge Group in 1997, held the position of Director of strategy for the Specialty Materials branch, then in 1999 was appointed Chairwoman and Chief executive officer of Lafarge Chaux. In 2004, she took over, together with its senior executives, the Lafarge Chaux subsidiary in the United Kingdom and founded Steetley Dolomite Limited, where she served as executive Chairwoman for 10 years before selling the company to the Lhoist industrial group. Mrs. Agnès Lemarchand was a member of the Supervisory Board of Mersen from 2007 to 2013 and a member of the Economic, Social and Environmental Council (economic activities section) from 2012 to 2014. She is a member of the ESG Committee of the Institut Français des Administrateurs (the French institute of Directors). She has also been Chairwoman of COMDEV since April 2021. Her other offices and positions held during the last five years are described below. Mrs. Agnès Lemarchand has been a Director of Compagnie de Saint-Gobain since June 2013. Offices and duties held outside the Group Director and member of the Nomination and ■ Remuneration Committee of Solvay SA* (Belgium) Director and member of the Audit Committee of ■ BioMérieux* Chairwoman of COMDEV ■ Other offices held outside the Group and expired over the past five years Chairwoman of Orchad SAS (2014-2019) ■ Director of CGG* (2012-2017) ■ Member of the Supervisory Board of Vivescia ■ Industries, representative of BPI France Participations (2011-2016) * Listed company

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