SAINT_GOBAIN_REGISTRATION_DOCUMENT_2017

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Capital and ownership structure Stock market/securities market information

STOCK MARKET/SECURITIES 3. MARKET INFORMATION The Saint-Gobain share 3.1

SAINT-GOBAIN STOCK PRICE (1)

Compagnie de Saint-Gobain shares are traded on Compartment A of the Euronext market in Paris (ISIN FR0000125007). As of December 31, 2017, the Company represented the 21st largest market capitalization of the CAC 40 (€25,448 million), and the 17th most actively traded stock on this market, with average daily trading volume of 1,619,743 shares during 2017. Saint-Gobain shares are also traded on the London and Zurich stock exchanges (since 1987) and on the Amsterdam and Brussels stock exchanges (since 1988). During the fiscal year ended December 31, 2016, the Group undertook a process of delisting from the Frankfurt Stock Exchange regulated market owing to the low trading volume recorded on that market. Delisting took effect on February 2, 2017. Compagnie de Saint-Gobain is included on the DJ Euro Stoxx 50 index and the Global Dow, a 150-stock index representing both the traditional and innovative sectors. With regard to sustainable development and corporate social responsibility, Saint-Gobain is also included on the MSCI World ESG Leaders, STOXX ® Global ESG Leaders, Euronext Vigeo Europe 120, Euronext Vigeo Eurozone 120, Ethibel’s ESI Excellence Global, Ethibel’s ESI Excellence Europe and FTSE4Good indices and the Dow Jones Sustainability Index. Saint-Gobain equity options are also traded on the options markets in Paris (MONEP) and on the London Stock Exchange, with MONEP trading volume representing 517,108 contracts in 2017, versus 438,387 in 2016.

10 20 30 40 50 60 70 80

0

12/24/86

12/31/17

Saint-Gobain stock price

Paris Stock Exchange (average change)

(Source: Euronext Paris)

NUMBER OF SHARES TRADED (in thousands) (1) UNTIL THE END OF 2017 Historical data of the number of shares traded per day (in thousands) until the end of 2017

20,000

15,000

10,000

5,000

0

12/24/86

12/31/17

(Source: Euronext Paris) (1) Data adjusted for the effects of the March 1994 and February 2009 capital increases, and the four-for-one stock split in June 2002. HIGHEST AND LOWEST SHARE PRICES (IN EUROS) Year Highest Lowest Year-end price 2015 44.840 32.360 39.850 2016 44.255 31.470 44.255 2017 52.400 43.395 45.980 (Source: Euronext Paris)

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