SAINT_GOBAIN_REGISTRATION_DOCUMENT_2017

Corporate governance Composition and operation of the Board of Directors

IÊDA GOMES YELL Independent Director Member of the Nomination and Remuneration Committee Principal office held: Research fellow and Director of companies Professional address: Compagnie de Saint-Gobain – “Les Miroirs” – 18 avenue d’Alsace – 92400 Courbevoie

Age 61 Brazilian English Number of shares held: 800 Date of first election: June 2016 Term start date: June 2016 Term end date: General Shareholders’ Meeting convened to approve the financial statements for fiscal year 2019

Expertise and experience Iêda Gomes Yell graduated in Chemical Engineering from the Federal University of Bahia, in Energy from the University of São Paulo and in Environmental Engineering from the École Polytechnique Fédérale de Lausanne. Iêda Gomes Yell was Chief Executive Officer of the Companhia de Gas de São Paulo from 1995 to 1998. She then held various senior positions within the BP Group, in particular as Vice President of Pan American Energy (1998-1999), Vice President of Regulatory Affairs (1999-2000), Chairman of BP Brazil (2000-2002), Vice President of Development of BP Solar (2002-2004), and Vice President of BP Integrated Supply and Trading (2004-2011). She has also been Vice President of New Ventures for the Middle East and South Asia (2004-2011) and Independent Chairman of British Taekwondo Ltd (2011-2016). She has also held several senior positions within professional organizations (the Brazilian Association of Infrastructure, the International Gas Union, the US Civil Engineering Foundation and the Brazilian Association of Gas Distribution Companies). In 2013, she founded Energix Strategy Ltd, a consulting company on the energy markets based in Warrington that she chaired until October 2017. In addition, Iêda Gomes Yell serves as Director of the Department of the Infrastructure of the Federation of the State Industry of São Paulo (since 2012), member of the Advisory Board of the Companhia de Gas de São Paulo (since 2013), Councilor to the Brazilian Chamber of Commerce of England, research fellow within the Fundação Getulio Vargas Energia and Director and co-founder of Will Latam, a non-profit organization (since 2014). Iêda Gomes Yell has been a visiting research fellow at the Oxford Institute for Energy Studies since September 2012.

Her other offices and duties held over the past five years are described below. Iêda Gomes Yell has been a Director of Compagnie de Saint-Gobain since June 2016.

Other offices held outside the Group and expired over the past five years Founding Chairman of Energix Strategy Ltd** (up to • 2017) Member of the Board of BP Brasil Ltd and BP Egypt • Investments Ltd** (up to 2011)

Offices and duties held outside the Group Director and member of the Audit & Risk Committee • and of the Strategy Committee of Bureau Veritas* Director and member of the Nominating and Corporate • Governance Committee of Exterran Corporation* (United States) Director and Chairman of the Governance Committee of • InterEnergy Holdings**

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* Listed company ** Foreign company

ANNE-MARIE IDRAC Independent Director Chair of the Nomination and Remuneration Committee Principal office held: Chairman of the Supervisory Board of Aéroport Toulouse-Blagnac Professional address: Compagnie de Saint-Gobain – “Les Miroirs” – 18 avenue d’Alsace – 92400 Courbevoie

Age 66 French Number of shares held: 827 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 Anne-Marie Idrac is a graduate of Institut d’études politiques of Paris and an alumna of École nationale d’administration. As a civil administrator, she held various positions from 1974 to 1995 in the Ministry of Public Works in the areas of environment, housing, urban development and transport, specifically as Chief Executive Officer of the Établissement Public d’Aménagement de Cergy-Pontoise (1990-1993), then Director of Land Transport (1993-1995). In 1995, she was appointed Junior Minister for Transport, a position she held until June 1997. She was elected Member of Parliament for Yvelines in 1997 and 2002, and Regional Council Member for Île-de-France from 1998 to 2002. From 2002 to 2006, Anne-Marie Idrac was Chairman and Chief Executive Officer of RATP, then Chairman of SNCF from 2006 to 2008. In March 2008, she was appointed Junior Minister for Foreign Trade, a position she held until November 2010. Anne-Marie Idrac was also President of the European-France Movement from 1999 to 2005 and member of the Economic and Social Council from 2004 to 2008. She is also Chairman of the Advisory Board of the School of Public Affairs of Sciences Po Paris and Deputy Chair of the Robert Schuman Foundation. Her other offices and duties over the past five years are described below. Anne-Marie Idrac has been a Director of Compagnie de Saint-Gobain since June 2011.

Other offices held outside the Group and expired over the past five years Member of the Supervisory Board of Vallourec* (up to • May 2015) Director of Médiobanca* (Italy) (up to 2014) •

Offices and duties held outside the Group Director of Air-France KLM* • Chairman of the Supervisory Board of Aéroport • Toulouse-Blagnac (1) Director of Bouygues* • Director of Total* •

* Listed company (1) Anne-Marie Idrac intends to resign as Chairman of the Supervisory Board of Aéroport Toulouse-Blagnac mid-May 2018.

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