SAINT_GOBAIN_REGISTRATION_DOCUMENT_2017

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Corporate governance Composition and operation of the Board of Directors

DOMINIQUE LEROY Independent Director Principal office held: Chief Executive Officer of Proximus Professional address: Compagnie de Saint-Gobain “Les Miroirs” – 18 avenue d’Alsace 92400 Courbevoie

Age 53 Belgian Number of shares held: - Date of first election: November 23, 2017 Term start date: November 23, 2017 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2018

Expertise and experience Holder of a Master’s in Commercial Engineering and Management from the Solvay Business School (1987), Dominique Leroy spent 24 years in various roles at Unilever. Having started out in marketing, finance and client development, between 1999 and 2006 she was appointed first Director of Operations Division, then Director of Logistics and finally Director of Client Development at Unilever Foods Belgium. Up to 2011, she was then Director of Client Development and member of the Management Committee, then Managing Director of Unilever Belgium and sat on the Management Committee of Unilever Benelux from 2008 to 2011. In 2011, she joined Proximus Group (formerly Belgacom) as Vice President with responsibility for sales and e-business for the Consumer Business Unit, before becoming its Executive Vice President in June 2012. Since January 2014, Dominique Leroy has been CEO of Proximus Group, listed on the first market of Euronext Brussels. At Proximus Group, she also chairs the Boards of Directors of BICS and Be-Mobile and is a Director of Proximus Art. Dominique Leroy is currently an independent member of the Supervisory Board and the Sustainability and Innovation Committee of Ahold Delhaize. She is a Director and chairs the Audit Committee of Lotus Bakeries. She also chairs the International Advisory Board of the Solvay Brussels School of Economics and Management. Her other offices and duties held over the past five years are described below. Dominique Leroy has been an independent Director of Compagnie Saint-Gobain since November 23, 2017**.

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

Offices and duties held outside the Group CEO of Proximus* (Belgium) •

Member of the Supervisory Board and member of the • Sustainability and Innovation Committee of Ahold Delhaize* (Netherlands) Director and Chairman of the Audit Committee of Lotus • Bakeries* (Belgium) (1)

* Listed company ** Co-optation subject to ratification by the General Shareholders’ Meeting to be held on June 7, 2018 (1) Dominique Leroy intends to resign as Director of Lotus Bakeries mid-May 2018

JACQUES PESTRE Director representing employee shareholders Principal office held: Senior Vice President of SGDB France, in charge of Point. P Professional address: SGDB France - Immeuble le Mozart – 13/15 rue Germaine Tailleferre – 75940 Paris cedex 19

Age 61 French Number of shares: 3,447 Date of first election: June 2011 Term start date: June 2015 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2018

Expertise and experience Jacques Pestre is a graduate of École Supérieure de Commerce de Toulouse. Joining the Saint-Gobain Group more than 30 years ago, he began his career in 1980 within the Insulation Division as a field sales representative, then as Director of Sales (1982-1984), before being appointed Southwest Regional Director of Isover. In 1987, Jacques Pestre was appointed Regional Director of Saint-Gobain Flat Glass, a position he held until 1988, before being appointed as Agency Head of Miroiteries de l’Ouest. From 1989 to 1995, Jacques Pestre was Chief Executive Officer of Somir SA. From 1995 to the end of August 2011, Jacques Pestre successively served as Operational Sales Director for Point.P BMSO (until 2000), Regional President for the POINT.P Group (until 2007) then Area President for the POINT.P Group (2010), Senior Vice President in charge of Specialist Brands of SGDB France. Since September 2011, Jacques Pestre has been Deputy CEO of SGDB France responsible for the POINT.P brand. Jacques Pestre also serves as Chairman, Chairman of the Board of Directors or Director in the following companies of the Saint-Gobain Group Building Distribution Sector: DOCKS DE L’OISE, SONEN (since 2012), BMSO, BMCE, COMASUD, BMRA, Méridionale des Bois et Matériaux MBM, CIBOMAT, DMO and TROUILLARD. Jacques Pestre has been a Director of Compagnie de Saint-Gobain since June 2011 and Chairman of the Supervisory Board of FCPE “Saint-Gobain PEG France”.

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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