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Corporate governance Composition and operation of the Board of Directors

The following biographies show the members of the Board of Directors as of February 1, 2018, their experience and their respective competencies, and the principal offices and functions they exercise or have exercised outside the Group over the past five years, to the best of the Company’s knowledge.

PIERRE-ANDRÉ DE CHALENDAR Chairman of the Board of Directors and CEO Member of the Strategy and CSR Committee Principal office held: Chairman and Chief Executive Officer of Compagnie de Saint-Gobain Professional address: Compagnie de Saint-Gobain – “Les Miroirs” – 18 avenue d’Alsace – 92400 Courbevoie

Age 59 French Number of shares held: 165,024 Date of first election: June 2006 Term start date: June 2014 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2017

Expertise and experience A graduate of ESSEC, alumnus of École nationale d’administration and former Finance Inspector, Pierre-André de Chalendar joined Compagnie de Saint-Gobain as Corporate Planning Director on October 1, 1989. Appointed Director of Abrasives Europe (1992-1996), then of the Abrasives Division (1996-2000), the Head Office of which was located in Worcester, United States, before being named Vice President for the United Kingdom and the Republic of Ireland (2000-2002), Pierre-André de Chalendar was named Senior Vice President of Compagnie de Saint-Gobain in charge of the Building Distribution Sector in 2003. Appointed Chief Operating Officer of Compagnie de Saint-Gobain in May 2005, elected Director in June 2006, then Chief Executive Officer of Compagnie de Saint-Gobain on June 7, 2007, he has been Chairman and Chief Executive Officer since June 3, 2010. Within the Saint-Gobain Group, he is a Director of Saint-Gobain Corporation and of GIE SGPM Recherche. He was Chairman of the Board of Directors of Verallia (former Packaging Sector) from March 2011 to March 2014. His offices and duties held outside the Group over the past five years are described below. Pierre-André de Chalendar has been a Director of Compagnie de Saint-Gobain since June 2006.

Other offices held outside the Group and expired over the past five years Director of Veolia Environnement* (up to April 2015) •

Offices and duties held outside the Group Director of BNP Paribas* •

* Listed company

ALAIN DESTRAIN Employee Director

Principal office held: Safety Auditor, Saint-Gobain Interservices Professional address: Compagnie de Saint-Gobain – “Les Miroirs” – 18 avenue d’Alsace – 92400 Courbevoie

Age 60 French Number of shares held : 954 Date of first election: Dec. 2014 Term start date: Dec. 2014 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2017

Expertise and experience Alain Destrain has served the majority of his professional career in the Vauxrot plant at Saint-Gobain Packaging (SGE, former Packaging Sector). Very early on, he took a union career path at the Vauxrot plant, then in the local and national union organizations as Secretary responsible for union affairs at the departmental Union of Aisne for three years, then as member of the Federal Glass and Ceramics Office since 1999. In 2002, he was in charge of collective bargaining in the Mechanical Glass Division through the FNTVC. At Saint-Gobain Packaging and the Saint-Gobain Group, he has been union representative (affiliated with the Confédération Générale du Travail - CGT), then titular member of the Central Enterprise Committee of SGE, Central Union Delegate of Verallia, Secretary of the Saint-Gobain Group Committee, member of the European Convention for Social Dialog and member of the Select Committee. In 2013, in recognition of his union career, he pursued certification training at Sciences Po Paris. Alain Destrain has served as Safety Auditor within Saint-Gobain Interservices since January 1, 2015. Alain Destrain has been a Director of Compagnie de Saint-Gobain since December 2014.

Offices and duties held outside the Group None

Other offices held outside the Group and expired over the past five years None

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