SAINT_GOBAIN_REGISTRATION_DOCUMENT_2017

Corporate governance Composition and operation of the Board of Directors

AGNÈS LEMARCHAND Independent Director

Member of the Audit and Risk Committee Principal office held: Director of companies Professional address: Compagnie de Saint-Gobain – “Les Miroirs” – 18 avenue d’Alsace – 92400 Courbevoie

Age 63 French Number of shares held: 2,252 Date of first election: June 2013 Term start date: June 2017 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2020

Expertise and experience A graduate of École Nationale Supérieure de Chimie de Paris (ENSCP) and MIT (USA), and holder of an MBA from INSEAD, Agnès Lemarchand began her professional career 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 Chairman 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 Chairman 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 Chairman for 10 years before selling the company to the industrial group Lhoist. Agnès Lemarchand was a member of the Economic, Social and Environmental Council (Economic Activities Section), from March 2012 to April 2014. Her other offices and duties held over the past five years are described below. Agnès Lemarchand has been a Director of Compagnie de Saint-Gobain since June 2013.

Other offices held outside the Group and expired over the past five years ▪ Director of CGG* (up to November 2017) Member of the Supervisory Board of Vivescia Industries, • representing BPI France Participations (up to December 2015) Member of the Supervisory Board of Areva* (up to • January 2015) Executive Chairman of Steetley Dolomite Limited • (United Kingdom) (up to 2014) Member of the Supervisory Board of Mersen* (up to 2013) •

Offices and duties held outside the Group Director of Solvay* (Belgium) •

Director of BioMérieux* • Chairman of Orchad SAS •

* Listed company

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FRÉDÉRIC LEMOINE Director

Member of the Strategy and CSR Committee Principal office held: Director of companies Professional address: Compagnie de Saint-Gobain – “Les Miroirs” – 18 avenue d’Alsace – 92400 Courbevoie

Age 52 French Number of shares held: 835 Date of first election: April 2009 Term start date: June 2016 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2019

Expertise and experience Graduate of École des hautes études commerciales (HEC) and Institut d’études politiques de Paris, holding a degree in law, an alumnus of École nationale d’administration, Frédéric Lemoine is a Finance Inspector. In 1992-1993, he led the Heart Institute of Ho Chi Minh City, Vietnam, for one year, and became from 2004 to 2013 General Secretary of the Alain Carpentier Foundation which supported that hospital. From 1995 to 1997, he was Deputy Chief of Staff to the Ministry of Labor and Social Affairs, in charge of coordinating social security reform and hospital reform, and was simultaneously a Technical Advisor for the Secretary of State for Health and Social Security. From 1998 to 2002, he reported to Serge Kampf and the Management Board of Capgemini as Vice-Executive Director, then Chief Financial Officer, before being appointed Senior Vice President in charge of Capgemini Ernst & Young finances. From 2002 to 2004, he was Deputy Secretary-General to the office of the French President Jacques Chirac, specifically in charge of economic and financial affairs. From October 2004 to 2008, he was Senior Advisor at McKinsey. From March 2005 to April 2009 he was Chairman of the Supervisory Board of Areva, and member and then non-voting member of the Supervisory Board of Générale de Santé from 2006 to 2009. He became a member of the Wendel Supervisory Board in June 2008, a position he resigned from upon his appointment as Chairman of the Management Board of Wendel in April 2009. His ceased to hold office at Wendel on December 31, 2017 but remains its only representative on the Board of Directors of Compagnie de Saint-Gobain until 2020. His other offices and duties held over the past five years are described below. Frédéric Lemoine has been a Director of Compagnie de Saint-Gobain since April 2009.

Offices and duties held outside the Group None

Other offices held outside the Group and expired over the past five years Chairman of the Management Board of Wendel* • (2009-2017) and various offices in companies in which Wendel held an interest Vice Chairman then Chairman of the Board of Directors • of Bureau Veritas* (up to 2013 and 2017 respectively) Director of Legrand* (2009-2013) •

* Listed company

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